DIY wet blasting steel

[@BSKeeble]

Glad to know wet blasting works with a portable pressure washer. Now I know how I'm going to blast my boat trailer. Thanks great video.

[@DangarMarine]

Would be great for fixing up the rust on a boat trailer.

[@paulvolzone6772]

Johns suggestion on diluting the mix sounds like a winner!

[@syfyrytr1652]

Must compliment your editing. Cutting the minutia, and narrating even the simplest task, teflon tape, is super helpful. Keep them short and sweet. The one thing that kills me when watching a vid is long winded super long vids , YOU get to the point and are real about it. Thanks.

[@ianmac86]

Yep. I’ll second that. Much enjoyed Stu.

[@MrHAPPYHAWAIIAN]

A fixture adapted to a fixture. Pure Genius and I’m not kidding. The inadequacy of my ability to do anything meaningful is self evident. I’m not even a boater, but I’m fascinated how you pull everything together and the very through step by step instructions.😀

[@DangarMarine]

Glad you're enjoying the vids. I'm really looking forward to everything going back together now.

[@WallysPlace66]

I didn't know there was a wet blasting kit for pressure washers. Excellent! Thanks, I'm going to check it out.

[@DangarMarine]

I didn't until just recently either. Very handy!

[@johnduncan9749]

Hard to say what's more fun.Starting a new project or playing with all the new tools/toys it takes to finish the project! Nice addition to the line up Stu!!

[@DangarMarine]

I know what you are saying. I think this one is going to get a bit of use on this project.

[@TechGorilla1987]

Mate, I never clicked so fast on a video. I really am enjoying this series. Thank you from Pennsylvania USofA!

[@Afraidinct]

Me too, I love how he goes through everything. So cool

[@mattmuch1]

Followed Stu for a cpl yrs. He's great. Helped me out a ton. Also from PA neighbor.

[@joshuasumrall6962]

Agreed. This series is very addicting and I don't even know why. lol. Thanks again DangarStu!

[@TimsWorkshopTJY]

Here up in the Seattle area. Been following Stu for a couple of years as well. He is very entertaining to watch but very articulate which a must on "how to" videos. Being a boat owner myself watching his videos has inspired me to keep going with my KZbin channel

[@davidbrandt6925]

I'm in pa too.

[@motorv8N]

That wet blasting is fascinating - I learned something else today thanks to your project Stu. Gotta say as well I am very impressed with how much consideration you are giving to the impact of your work on the neighbours, environment, etc and make choices accordingly. Having lived through the noise and mess of having a neighbour take three years to build a house part time - those impacted I'm sure appreciate the good manners of a guy like you!

[@johnkinnane547]

G’day Stu thanks for the differences between the two sand blasting techniques and explaining how to use them, very interesting thanks again John

[@DangarMarine]

You're welcome John. :)

[@xlandscaper]

The green machine is definitely getting jealous with all this love you are giving to the trawler

[@DangarMarine]

It is in serious need of some work too before it sinks! :O

[@MrLargePig]

Glad you tried both methods, I've been interested in trying wet blasting, and nice to know that the kit works straight away.

[@DangarMarine]

I'm glad I tried it too, I pleasantly surprised.

[@bobn1378]

Good tips on wet blasting! Can’t Waite to start blasting the hull. Love the glove chair!!! Nostalgic!

[@Boredtuba]

Hey mate. Just wanted to say thanks for going to the effort of making this video.

[@DangarMarine]

You’re welcome mate. :)

[@jp-um2fr]

Look here young fella - 'dingo'. I'm a fat, old, ugly and English so please perhaps the occasional 'Pom'. We had a shot blaster at work, it was a complete room lined with 6mm IT100 armour plate. It had holes blasted in it over the years. You are very professional, not only in your work but in your video presentations. A real pleasure to watch. Thanks.

[@DangarMarine]

Thanks mate, glad to hear you are enjoying the vids. :)

[@philcarkagis2351]

Another brilliant instalment Stu. I think problem solving is such a satisfying pastime, particularly when you can see the fruits of your labour. I'm waiting, almost patiently, these days for the next episode...........

[@Redmenace96]

Trial and Error- you do a great service! I love it, and keep following.

[@DangarMarine]

Thanks mate.

[@Max-re5vg]

Thanks Dangar Stu.....Learned so much from this video......this channel is great....keep it up matey

[@DangarMarine]

You're welcome mate, glad you like it!

[@gordgooding1558]

Exactly. I assumed by the time I got to the comments someone would have already presented the obvious solution, which is dilute. Clearly adding water to the chemical isn't an issue so this is pretty straightforward.

[@gonagin58]

Works pretty good. When I did my boat trailer I put a big tarp on the ground to let it dry for a day or two so I could reclaim the medium.

[@kennethbarnes4716]

Chris Cameron ll

[@bigfilsing]

quick silly tip . When you're applying PTFE tape flip the roll over . That way you can control the tension as it unwinds from the spool onto the fitting. The way you did it is as it unwinds from tape spool which has a bigger dia than the fitting and there fore is always slack. Try it you'll see what i mean . Really enjoying the steel boat series Cheers

[@DangarMarine]

Good tip!

[@boots7859]

Excellent pro-tip for us homeowners.

[@ImpostorModanica]

Not sure I understood, can you explain?

[@bigfilsing]

@@ImpostorModanica kzbin.info/www/bejne/aaTWeYyKa9-Ip9E

[@andrewwilson8317]

Scrap packing crates make a good diy blasting cabinet. We made one from a big engine crate and when dry blasting we could recycle the media. Was madeonly for the time it took to get the bits from the dump! Everything came for free from the dump! Lights,household extractor fans,windows etc. It was big enough to get a motorbike frame in and doing side jobs it earned a bit of money- got to love that! Doing the side jobs covered my fuel costs so other than labour I got my blasting done for nothing! And we do like that cost!

[@DangarMarine]

You certainly can't beat bringing some useful things home from the scrap yard. Always a satisfying day out!

[@burnie773]

Looking forward to you solving and starting this sandblasting process Stu .

[@miguelfatman6066]

I use a small blast cabinet for the bits and hire a blast pot for big items but never thought of wet blasting, great idea Stu

[@petersouthernboy6327]

This is my exact setup - including the sandblaster ! Make sure your abrasive media is absolutely dry - or it will clog up inside the sandblaster hopper.

[@DangarMarine]

I might put one of those Damp Rid moisture absorbers in it.

[@petersouthernboy6327]

Dangar Marine - I’ve restored a few old highly valued vehicles. (Sorry my boats are fiberglass). Used everything from dry ice blasting on a rotisserie to glass media on small unicorn parts in a cabinet. IMO - use the HP washer / garnet and a 4 inch angle grinder yourself. Stop after a couple hours, clean surface with degreaser, dry with heat gun or torch, spray freshly stripped metal with a catalyzed 2 part epoxy primer - repeat.

[@s.o.c_914]

do you mind sharing what kit it is?

[@dandemon1831]

Keep it up. Doing a cracking good job. Watched all your vids in one sitting. I love your get it done attitude. Your willingness to drop cash on the tools when necessary. Musta been fricking hot in the engine space. I’ve done dry docks of ships as a deck officer in merchant navy and know it’s a bugger in tanks in the heat., an Aussie summer!! Your an marine athlete.

[@glikar1]

Thanks for posting your experiment! I am trying the same thing for blasting a pool. Same sandblasting gun at 4200psi and four gals/min. I occasionally had a blockage in the feed line, so I replaced it with lower friction, longer irrigation tubing. Also found that joints or valves create a place for coarse silica sand to build up. I built a sealed container and fed air from an HPLV paint sprayer unit directly into the air feed pipe on the sandblaster pickup. The idea is that with a sealed drum, pressure will increase inside, while the airflow next to the sand pickup will slightly stir the sand, and most importantly, hold positive pressure in the long feed tubing. That part works very well, in that previously, I was getting moisture feeding back up the tubing and creating a clog. The latest test I did is with dried and screen-filtered recycled sand. Unfortunately, the sand is pretty beat up and has concrete dust mixed in, so the flow was not optimal, and the particles were too small and not sharp. Pros: the sealed container keeps the sand dry and keeps back-fed water out of the line, also on wheels, so it's easy to move around. I assume the air flowing out directly beside the steel pickup tube is helping because, with the washer gun off, there is still a powdery mist of particles shooting out of the blaster nozzle. Cons: I haven't found any yet, but I expect that the air may be less effective in stirring sand grains or too effective and reduce flow density with new silica sand. I will soon find out. Thanks again for posting your video!

[@ProjectBrupeg]

That came out really good Stu. We started with the exact same set up with our blaster on Brupeg. We found the higher the air pressure the less garnet you use per sq meter as the force of air allows high abrasive action than just firing sand at the steel. We also us the same pressure pot as you and have found they do block up easy if any rubbish gets in and once you are down to about 29% left thin the pot it doesn’t flow through. Damien-Project Brupeg

[@DangarMarine]

Hey Damien. Interesting to hear that the higher pressure uses less garnet, that's a great tip. I think the pot probably was around a quarter full so I'll top it up and see if it starts flowing again. I finished that door using the venturi pipe and it used about two bags in the end which isn't much cheaper than running it down the road to our local sandblaster.

[@bh9245]

Not sure if anyone has suggested but here goes. Use a ubc tank or poly 55gal drum as your water source. Power washers don’t use much water and you can get your chlorid mix just right. I’ve tapped a spigot to the bottom of a ubc tank (what they use to ship liquids around) and keep in the back of a trailer so gravity forces water into the pump intake. With the gas power washer and this setup you’re good to go anywhere and use it. Good luck and thanks for the vids! Always look forward to the next one.

[@DangarMarine]

I'm pretty much planning to go this way, but I'm adding a 12V deck wash pump into the system as apparently these petrol Karcher washers don't handle being gravity fed very well.

[@herbclark2476]

I am enjoying watching your video! I am not a handy guy to have around as I am 81! But do enjoy learning new things! 😊

[@chrislowe6278]

Love the hand chair bro

[@alexfehlberg1065]

I drove past the other day and could hear blasting. I got excited.

[@DangarMarine]

And you didn't bring beer down the driveway?!?!?! ;)

[@alexfehlberg1065]

@@DangarMarine my missus said it was a little creepy that i had hunted down the location. I kind of had to agree with her. We both also agreed that it would freak you out if a total stranger turned up out of the blue. Ahh. Social media.

[@michaelpage7691]

Watched all your videos ( whatever you call them these days) ....love your passion and the informative nature of the videos......love the wet sand blaster.....keep em coming. I really look forward to the next episode.😁🇦🇺👍🏻

[@peterjensen6844]

You need one of those oscillating pressure washer nozzles. Will be a life saver when you're trying to use this to blast large areas to clean off paint.

[@DangarMarine]

It would be interesting to experiment with some different nozzles.

[@peterjensen6844]

@@DangarMarine go for it. We won't judge ;)

[@RobB-vz2vo]

I have the same kit as you. I found that when I stop the pressurised water what happens, when the sand feeds in beneath the nozzle, is the water in the nozzle leaks back into the abrasive tube then clogs the end and you have jiggle the end to unblock it. I fixed this by tying the feed tube along the top of the pressure wand with the sand feed dropping down. Water then can't get back into the tube unless you drop the wand vertically.

[@DangarMarine]

Good tip, I'll give that a try.

[@colinstables]

Great plan, that is a problem, I did my chassis like that, banging the end to clear it

[@DaVid-kc3qz]

I've sand blasted for some time but this is less hassle. My sand blast is like a cone I could put up so it could be both aspirated and through depression get to the pressure washer gun. Will definitely try that. Great job and explanation

[@brianreynolds1717]

The washer will only suck the detergent in with the low pressure tip on the sprayer. You may have to get a large tank or barrel and gravity feed water to the washer. you can then mix your solution in large quantity.

[@DangarMarine]

yes, looks like I might need an electric pump from the tank too with this blaster.

[@brianreynolds1717]

there are guys here that have wash rigs on trailers. They just have the tank next to the washer it sucks the water in with no problem. they have no other pumps. You could set the tank on the deck and gravity it to the pump. that would give you some head pressure if needed.

[@ShnitzlHaus]

I agree on cutting the pressure pot out. I sold mind because it was to fiddly. often getting clogged. I had a good feeling on how much to open the valves towards the end to get it running consistent but still found it would clog every so often if you were idle for to long. id like to try the wet blasting seems all around better.

[@DangarMarine]

Somebody else mentioned that playing with the valves would give a better result. Unfortunately the instructions give no indication on a procedure for tuning it so I guess it's all trial and error!

[@ShnitzlHaus]

@@DangarMarine yes trial and error, its been to long to remember exactly what I had done. if I had a suggestion, although the valve on the wand is a good idea, if you close that one, I would take a strong guess that the feed line downstream will clog fast. I believe I kept the gun open and closed the bottom of the pot to avoid clogs, this was very annoying but saved pulling the lines to let the garnet out.

[@bobbell5928]

Nice demonstration. Worked well. Thanks

[@DangarMarine]

Thanks mate.

[@2CabrasLocas]

For the type of work your doing, I've used simple "Play sand" that costs next to NOTHING at any hardware store. Works great!

[@dachine86]

Play sand dust in the lungs is not something you want. Make absolutely sure you never blast that dry, silicosis is not fun.

[@alexanderbarth8320]

This guy is a legend I wouldn't have the patience with all these little bibs and bobs to deal with. DIY is the self Imposed standard there I think but mate how much time is going under the bridge at the same time. I did sandblasting myself and I know these days environmental protection standards are a big pain in the groin.

[@DangarMarine]

It is certainly worth weighing up the balance between the cost of getting someone to do the work and the time of doing it yourself. As I am paying to have the boat on the hardstand there are definitely some jobs I will be outsourcing to pros.

[@Nudnik1]

I have a wet blast kit. Worked good. No dust. Had to keep sand vibrated to maintain flow.

[@DangarMarine]

Yes, vibration and keeping it dry does seem to be key.

[@pbjealousy2348]

Great videos, I just found your channel and started from when you got the boat. Cant wait for the next video, keep up the great work.

[@DangarMarine]

Thanks mate, glad you're enjoying the vids. :)

[@daisybeagle6259]

Dilute the CL with water to get the correct 100:1

[@MageeMC]

Came here to say this. It should be pretty much a straight forward dilution. 4 parts water and 1 part CL.

[@jumpyX2]

That's the best solution *

[@HighSchoolNotes]

i yelled that at the screen...

[@tip00former1]

Well, he said that himself right? 12:25

[@philipgiannone3111]

Zoe hasaas a

[@---Mike--]

Thanks for documenting your journey. It's really great to watch your success but also grounding to hear your struggles.

[@richardpaine5923]

The chair you were sitting in is fab.

[@Daza239]

Good work Stu.

[@cajuncanewt]

Awesome video, I have the same pressure sand blaster, and I never thought to use a water blasting set up, I will definitely try the water blasting on my next project, it seems much easier and way more safe for my lungs without all that dust 👍🏼

[@DangarMarine]

Definitely a lot better for the lungs!

[@peteshelby21]

Beat video on diy sandblasting. Cheers 🍻

[@Jeff_MT09]

Hi Stu. I’m really enjoying this series and your channel. Regarding the Chor-ID, I agree to dilute it to achieve the correct amount is used. I’ve seen this on a lot of American house washing You-Tube videos where they need to dilute the bleach to achieve the correct application percentage. Keep up the great work. Cheers. Jeff

[@handsonwithblg4949]

I really dig this series man . Can't wait to see it all done.

[@brianpetersen3429]

Excellent video!

[@bitzel]

Absolutely loving this thread

[@kevinmcghee2785]

Put the medium into a bucket, and put an orbital sander, in a sealed bag, in the bucket, plug it in, it will vibrate and help feed the sand. Also a thought, once I knew a guy that had a contract to pressure wash a cedar shake roof, there was no water close by and he was to wash it with a preservative mixed in. He set up two 45 gallon drums on their side with spigots teed into the pressure washer, in his truck bed and backed up to the building, you might be able to do that in order to get the right mix of chemical.

[@DangarMarine]

Neat idea!

[@rossbrumby1957]

Good way to burn out your orbital, starving it of cooling air. Better to tape it to the lid of the container or something like that.

[@Fireship1]

Had no idea that you could get a wet blast attachment for a power washer. It looks like it works good and will be kinder to your hands then the needle scaler. Glad to see the project progression Stu!

[@pgprentice]

Wow your diy wet blaster works great! Thanks for the video.

[@afterhoursyacht8797]

Very helpful. Thanks for answering several questions I had.

[@kend3900]

Excellent series...

[@johnbolongo9978]

Another great vid....his expertise is endless.

[@TheRealMrCods]

Awesome little kit, I had no idea you could buy it.

[@itlldoo6128]

suggestion for the Teflon tape, you need to put the up side of the tape on the thread so that you can tighten the tape with the spool when putting it on the thread, if you get my drift. ...cool project Stu .thanks mate.

[@DangarMarine]

Yes, I tend to use my finger as an idler pulley of sorts but I see what you are saying. :)

[@jedstewart2375]

Excellent DIY video. Thank you very much for explaining that very well

[@uglyduckling81]

Watching that wet blasting I was thinking holy cow he isn't really going to do the entire hull like this is he. That would take a literal year to complete.

[@James_Innes]

I have a less powerful Kaercher pressure washer that can draw water from a tank or fresh water pond rather than using the mains supply. I collect rain water in plastic barrels and drop the draw tube in, works great. You could pre mix the chemicals (Chlor rid) in the tank to the correct ratio too.

[@DangarMarine]

I think that is the way I am going to have to go as apparently the venturi suction doesn't work with a high pressure nozzle. It seems that the petrol units can't draw from a tank so I am going to experiment with an electric pump in line.

[@rossbrumby1957]

My karcher is a 3050 OH 3000 psi looks the same as yours except the gun- it can hook up to barrel water if i needed. Is yours this model? To stop flash rust rub lemon juice on the steel while still wet. It goes a greenish tinge but protects the steel and won't affect painting. Greetings from Wallaroo,S.A.

[@rickyhorsburgh6581]

Have a look into crushed glass its very sharp and cheap to buy if ur not reusing to many times as it degrades quicker than garnet but for ur purpose probably perfect and quick also make sure u ground ur blaster and what ur blasting cause u will get static shocks just a matter of when

[@mongomay1]

clamp a section chain to the hose near the pickup and let it drag on the ground; (automotive plants do that to some of their sensitive metal parts carts to reduce static charges) otherwise if big issue run a wire on the outside of hose, strip off both ends clamp one end to pressure gun pipe, the other to the pick up/sandblast tank to have the same potential. I used to have to ground clamp mobile tanks that were charged with air through a silicone hose and the tanks would charge like a capacitor, because the wheels isolated it from the floor/ground.

[@DangarMarine]

I didn't get any shocks but it's good to know it can happen. I'll set up the earth strap!

[@MrClickbang357]

I really like watching your videos! It brings me back to the days I worked in local boatyards. I noticed that when you take uts and bolts apart you don't crack it tighter first! The idea I was taught is that compresses the junk in the threads. Usually the idea is to just "crack" it; move it the slightest amount, then re,move the nut/bolt Worked for me in the salty Northeast Atlantic! I would appreciate your ides/opinion on this!!!

[@DangarMarine]

Yes, that can be a good way to go if they are really stuck. If not I just take them straight off.

[@nedloh17]

That video was a blast !! 🇬🇧

[@spectremuffin]

Hey man, make sure the sandblaster is dry. The moisture from the compressor fucks everything over. Run multiple water traps inline. Worked for me.

[@DangarMarine]

For sure, it doesn't take much moisture at all for the sand to stop flowing.

[@CanonFirefly]

Just dilute the chlorine 5:1. As I wrote this you said that. 😂 Edit - loving this series by the way. I don't own or intend on owning a steel boat any time soon but really enjoy watching people restore old vehicles. Thanks for taking the time to film and share it with us.

[@chrisb2239]

I have that same blaster pot. I found it quickly gets "cloggy" and I get better results if I keep shaking the blast pot to keep the media flowing. So you may give that a try when pumping the 40psi of air through.

[@DangarMarine]

I'll definitely try giving it a shake before pushing on next week.

[@Bill-cg6oh]

glad to see another video, just wish you would do more than 1 a week, or show more content. Good luck and hope you get it done soon

[@DangarMarine]

Trying to do a couple a week. The big trouble is that jobs don't always get finished and it's nice to put the whole job (such as making this door) in one video.

[@reincarnatethylacine70]

You've put together a close clone of my original system. I no longer use the 10 gallon sandblaster but use a large plastic garbage bin in which I have installed 12mm T piece with a series of 3mm holes drilled on the underside of the T crosspiece, which has.its ends capped. The compressor is hooked up to the stem of the T. I then use the supplied induction system, including the twin tube feeder, The T piece is zip tied to 3 reo-steel supports and the feeder tube also zip tied so that it is picking up medium under the T bar. I now use sieved sand because; a) I can get it for free, b)with wet blasting you do not have the same health issues as dry blasting, and c) if you are not recovering your media garnet can get very expensive when doing large surface areas. Since the biggest job I have ever done is the rear of a 3 metre grader blade I can get away running a smaller compressor at about 30/35 psi. My set-up is far from original and was shown to me by Canadian Dan about 40 years ago, though feeding a dry blaster. A 120 litre bin will give you enough time to want a smoko by the time it needs refilling. Thanks for taking the time to put your efforts on You Tube, your work makes my leisure quite pleasurable.

[@DangarMarine]

Interesting, so the air in the t-piece is purely to agitate the sand so the venturi can pick it up better?

[@reincarnatethylacine70]

@@DangarMarine That's precisely it. I guess that you could use almost any shape, ie circular or V you just want to fluidise the medium as it both promotes better flow and actually uses less media when working properly. It also helps to put a lid on the bin as "sand burps" can have you vacuuming the stuff up before its been through the blaster.

[@fknbossfabworx1067]

@dangar try using welding tips in the line for the soap line. You can try different sizes and if they are too small you can drill them out to tune it.

[@andrewwilson8317]

I rigged up a simple gravity feed and it worked good. Was only my media in a hopper on top of my steps,about nine feet up. If it blocked then a tap on the steps sorted things out. Simple but worked !

[@DangarMarine]

Simple is always good. :)

[@bucknaykid5821]

Another great video with very useful information

[@paulg9314]

Move the Esky for icy cold beverages to within arm's reach of that very stylish chair.

[@markolav7017]

chair fit for a king...needs some grapes and a jug of amber fluid for sure

[@DangarMarine]

I think I can make that happen. ;)

[@ianmac86]

As usual Stu, a very detailed and useful video which was easy to watch. I sometimes feel that you try to set us up for replies (thread tape application for example) but that is also cool mate as then you are certain to stress a good point. Thanks for this video.

[@markolav7017]

Nice set up mate...the door is looking schmick too and will be a great addition. Cheers :)

[@DangarMarine]

Thanks Mark, can't wait to get that door installed but I'm feeling a bit guilty about it as it is fun to make but not really on the critical path towards getting the hull back in the water.

[@MrCrabbing]

I have seen the guys that do the steel trawlers over here have like a giant funnel on a stand that they can tip a few sacks of grit into that then just feeds from the bottom into the gun/nozzle they keep the stand in the van so it stays dry and it saves unloading it

[@DangarMarine]

Sounds like a good way to go.

[@webbtrekker534]

Keep it simple. The right move. Thanks.

[@BornAgainBoating]

That seemed to work so well, I'm wondering if you need to do so much with the needle gun? You should try that on some areas that aren't under the water and you could probably get by without needling the entire hull!

[@DangarMarine]

I'll be interested to see how much paint it can take off, but once again the needle gun makes cleaning the paint chips up really easy while having fine paint dust in the wet garnet it much harder to contain.

[@BornAgainBoating]

@@DangarMarine Yeah, that's right. You've kinda got a catch 22 there. From what you showed in this video, that thing should eat right through the paint!

[@sailingtimeless8899]

hi try putting the medium or pot on a shaker table or make a shaker using elec motor it will keep the medium flowing had to do this myself years ago.

[@DangarMarine]

Yes, I think a shaker table would be good.

[@andrewshackleton2917]

Can you add a long video of you blasting the whole hull please, it’s too long between videos stu. Can’t wait 😊

[@DangarMarine]

I'll definitely get some footage of him doing that.

[@JamesDoylesGarage]

Thanks for doing this test. I was learning a lot. Awesome !

[@coachman290651]

Hi Stew we used a washer with a Drill small hole in the middle of washer and then remove pump fitted from inlet placed between inlet hole then refit fitting for hose this restricting flow

[@TimsWorkshopTJY]

That's cool Stu, never have seen wet sand blasting before. Looks like it works good. So you plan on having the exterior hull done. It will be faster for sure plus the activity probably be cut down to 1 day for the neighbors😁. Its finally warming up here going into spring. Finally got back to my tilt trim project reinstalling on the boat. I'll have the new video out soon. Also will make one on the lake run before the end of the month😁

[@DangarMarine]

Hey Tim. Yeah, the pro has done a site visit a reckons he can do it in about 6 hours so although it will be loud it will be over and done with quickly.

[@TimsWorkshopTJY]

I was correct then. Just let the neighbors know so they wont be surprised as a curtousy

[@PeterEndelt]

Nice video and chair 👍

[@robinhodgkinson]

That was a surprisingly simple blasting setup for small scale work. Interesting. BTW I think you should tidy the lounge before you have visitors over. Working on boats is a messy job but you've got maintain standards!

[@DangarMarine]

I'll do some dusting before next video ;)

[@thecommonboater2246]

Not sure if this comment has been added, but the venturi pickup on pressure washers is usually a high volume low pressure tip on the wand. The pressure you need at the tip with your setup might not have a low enough pressure at the chemical venturi. If it doesn't maybe use one of those 1 gallon round up pumps. Rinse all the garnet off then have your mixture in one of those little pumps. Also if it works then use a 5:1 or 4:1 ratio in a bucket of bleach for the pressure washer venturi to pickup. If the pressure washer is 20:1 it'll use about 1 gallon per every 10 min of blasting.

[@DangarMarine]

Yes, I think the back pressure of the high pressure nozzle will be a problem. The Chlor-Rid needs to be sprayed under pressure so I'll go to picking up from a tank.

[@malachy1847]

Just a tip if you're stuck between pipe sizes, say for the likes of your Nitto Fitting the way out is to buy a threaded 'Reducing' Bush from the Ball valve down to the old Nitto fitting, then you're good to go... they can be bought for small change... saves a few Bucks ..

[@TheMadawg67]

man you got me hooked this is interesting and I was like its going to take him forever to do the whole boat then u said u was bringing in a pro lol

[@DangarMarine]

Yeah, I'll just do the bits and pieces as I go, he can do the big job. :)

[@ekfinn]

Great video for a fellow like me getting ready to blast a steel tub. I wish I could get away with doing the whole hull this way.

[@DangarMarine]

Me too, but it would be very slow.

[@louisfranchino1775]

Dude. Tighten down your hose clamps with a nut driver instead of a flat blade screwdriver and you'll be amazed at how much easier it is. Love your series by the way!

[@richardbedard1245]

In one of your videos you mentioned phosphoric acid for rust. I've used Ospho, a solvent with phosphoric acid in it to prevent surface rust. It could be painted over because it also served as a primer coat.

[@heatmyzer9]

Ospho is good stuff.

[@tracker1955]

Just an FYI, the injector on the pressure washer will only draw when the low-pressure soap tip is used, the check ball will seal under high pressure so no suction will occur. To pull chemicals at high-pressure check into a venturi tip called an X-jet or M-jet, the install at the tip and can shoot soap or other chemicals 30 ft or more.

[@DangarMarine]

Thanks, good tip!

[@patrickwalls1407]

sand can compact fast in a cone as its being forced into the tube. I had a homemade system which was not much different from your retail just a bit more cone shaped. I used a small plastic x from a old Beatle trap with holes drilled in it after binding was a problem. that worked ok if I gave it a bit of a tip or kick when it bound up but a small cat ball worked better for some reason to keep the sand from binding up at the cone without stopping sand movement.

[@DangarMarine]

Interesting, I'll give that a try!

[@garybaris139]

I went back several times to look at the comparison between the ventury and pressurized pot medium feed and it certainly looks like the pressurized feed works a lot faster and would probably work even faster if you increased the pressure in the blasting tank.

[@DangarMarine]

I noticed it more watching it on film too, and I think I can still tunes the valves on the sand blasting unit to give an even better result.

[@Johnny-Too-Bad]

Was going to suggest simply diluting the chlorine beforehand but mentioned in the video that you'd already gotten that suggestion. Keep it simple!

[@nerdyaviator732]

Enjoy your trawler videos!

[@bazperkins]

Great demo

[@DangarMarine]

Thanks Barry.

[@gsallen9588]

I'd swear that when the grit had compressed air backing, you were getting a wider output cone and perhaps 30% more rapid surface clean off, nearly instantaneous compared to the 2-pass bag sourcing. But that's just my visual subjectivity. Bag drawing will be significantly simpler when managing lines and machines while on deck. Seems an efficient result. If you've ever looked at the SV Seeker website (boat built by the internet), in one video a visiting paint/prep expert was shown using some sort of hand-held surface refractometer on the outer hull of the boat to measure its fitness for paint application. And then they were discussing abrasive options for achieving the ideal surface texture. Don't know if you're concerned to go to that extent, but it did seem a reasonable analytical means for ascertaining the state of surface prep. I once painted a pair of 35 foot steel (fresh water) pontoons with a vomiting Wagner sprayer and my primary reverie was either the paint job lasting longer than expected or the boat (my brother's) being sold before an arduous encore performance was required. Thus any technique for optimising longevity might be of benefit, depending on cost and labor concerns. Maybe moreso, in your salty situ, it comes down to a barnacle's penchant for clinging and the level of its chemical expertise in sabotaging coatings - a biological/special ops issue.