Aermacchi Front Hub - Part 2 with Paul Brodie

[@pero2727]

Excellent! It's a joy to see someone operate a milling machine organically like that. Some would need a cnc to make those curves, but you, Sir; you wing it with simultaneous operation of 2 axees and finishing it off with a file to make a beautiful product. My hat is off to you and your knowledge and experience!

[@paulbrodie]

Thank you Peter :)

[@malakiblunt]

i suspect the hole behind the cable stop was not for weight saving but to keep the casting an even thickness to prevent shrinkage faults

[@simonbirt6121]

Just found these, Paul is an inspiration, always something new to learn.

[@paulbrodie]

Thank you Simon.

[@pjofurey6239]

Really enjoying the vids.inspires me to get on with my myriad projects,currently transferring the rust from an ancient set of bending rolls to my arms and clothes. Happy days.

[@paulbrodie]

Thanks for watching.

[@wolfparty4234]

I’m not sure what I like the most to watch,you fabricating on a motorcycle or working on bicycles..!?! I do know I enjoy watching your channel!!! Great content!!!❤️👍🏻

[@paulbrodie]

Motorcycle stuff coming soon. Thanks for watching!

[@sarkisbenliyan1180]

I want to work in a metal shop again...since I left engineering school I've been doing nothing but pencil pushing and mouse clicking: fun at times but on a long run 💩. This is great stuff to watch.

[@paulbrodie]

It's good to have a metal shop to work in. It's a form of therapy!

[@sarkisbenliyan1180]

@@paulbrodie in both engineering school and arts school I had Access to great metal workshops. Inspired teachers taught me how to weld, braze, use both Lathe and milling machines. Beyond textbook theory! Even attended the bicycle academy in the UK... Being the son of a silver smith having no workshop is kind of being like a fish without water 😂

[@paulbrodie]

@@sarkisbenliyan1180 I think you need to manifest a shop!

[@Dave.Wilson]

Your the Allen Millyard of Canada, cut it up and make it fit "Just perfect". Glad I found your channel, gives me more inspiration when building things.

[@paulbrodie]

Thank you David.

[@romandybala]

Paul, if I may say, I think I read or heard there is a reason those distance tubes are made of steel not aluminium because the alu. tends to compress under use and change the load on the bearings. Perhaps another viewer knows of this. Thanks for posting your vids. Most informative. Greetings from Melbourne Australia

[@paulbrodie]

Steel would be cheaper for production. For my use on Vintage race bikes, aluminum has never caused a problem. Thanks for watching.

[@feltwashers]

It's like you read my mind about what I want to see on KZbin Paul! And thank you for using a good mic and paying attention to editing. You are my new favorite channel (I only found your videos a week ago!)

[@paulbrodie]

I only just found your comment. It took 2 months to show up! Thanks for liking our channel :)

[@MrWreeve]

Diy kmno4 anodizing will give a darker finish.

[@rosstisbury1626]

i would love a front brake like that on my modern Triumph . . brilliant

[@robertrishel3685]

Mesmerizing! Beautiful work and attention to detail. It’s going to be a proper works bike, this old road racer!

[@paulbrodie]

Good words. Thanks for watching!

[@miamatti]

Soo good, very cool to learn how this type of stuff is done

[@peterdriver7816]

Very neat well done

[@jdog4534]

Man, you've got lots of cool videos. I'm glad I subscribed..

[@dozer1642]

You are awesome my friend.

[@Ed-G]

I was wondering why you used epoxy attaching putting that mounting plate on as opposed to TIG welding or brazing? I'm catching up on some content that you've had in the past since I've only found your channel about a year ago. You became my hero when you were using the lathe and you challenged us to count the number of yool changes as possible. Your work and attention to detail is masterful. My grandfather was a tool and die maker. A shop called miniature tools. He would have loved to have met you.

[@malibu188]

Reducing the unsprung weight has a multitude of benefits.

[@Uts9000]

Alodine....you can do it in your shop. Most aircraft engines are treated to prevent further corrosion.

[@paulbrodie]

Alodine... that's what makes aluminum look like magnesium?

[@Uts9000]

@@paulbrodie no. I may have misunderstood. I thought you were saying something like it had a greenish tinge. Alodine is a water base corrosive that turns aluminum to a slight gold to a much darker gold the longer it is submerged. Freshly blasted aluminum makes for the best results. I worked in an aircraft engine rebuilders during high school refurbishing cylinders. Broken fins were never a problem like on motorcycles. But, valves, guides rocker shaft bearings and seats were usually worn past tolerance. Hours of work associated in a rebuild. Thanks for taking the time to share your talents. Never boring.

[@paulbrodie]

@@Uts9000 Alodine, I think we are talking about the same thing. One of our local motorcycle shops had a pail of a dark green solution, for literally years, and if you bead blasted hubs or whatever, and put them in it, it turned them a green / gold colour that sure looked like magnesium! That's what I did with the hubs for the Aermacchi. But the solution was so old and worn out, the effect was "very subtle". The shop owner couldn't remember what the solution was. Maybe I need to get some for my shop :) Thanks for your comments.

[@Daniel_Martin152]

Amazing work yet again Paul! I heard you mentioned spending some time in a machine shop as a youngster - is that your qualification? I’ve just bought myself a mill and a lathe to start making my own parts but am often put off from the daunting learning curve that is being a machinist. I’m a mechanic by trade so I guess I have at least one foot in the door!! Thank you again, I’m a big fan of your work. Daniel

[@paulbrodie]

Thank you Daniel. My qualification? I started in machine shop when I was 18, and became an apprentice. 3 years later everyone else in the shop got a 50 cent raise and I got 15 cents only, so I gave my notice to go travel the world for 6 months. So no, I'm not even a machinist.. Just self-taught. Thanks for watching!

[@jamest.5001]

The bearing spacer, you could drill holes cross ways in it, and ake it about half that weight, atleast 2/3, the weight,

[@paulbrodie]

Yes, I could do that, but I didn't want to get carried away.

[@morneposthumus3408]

Great video as always! May I ask the song playing at 17:30? Many thanks Paul and Mitch!

[@mitchellnurseproductions]

It is called “Jakarta” by Bonsaye 👍

[@piconano]

I just found your channel. Question, would a 2 part epoxy bond you demonstrated in this video, be stronger than aluminum brazing?

[@paulbrodie]

Probably not, but who does aluminum brazing these days?

[@piconano]

@@paulbrodie I was thinking of doing it with low temp aluminum brazing rods. I've ordered some to test on some aluminum angles. I'm building a recumbent reverse trike. Found the design on GrabCAD. It's called "AAZZAA free Trike Project". It's like something I've never seen before, where the cad design was freely available. Brought it into Fusion360 so I can make mods. I can either build the main beams out of aluminum, or 2x4 lumber with steel gussets in right places. I don't have a metal work shop anymore. I've learned a lot binge watching about 30 of your videos. Very calming and enjoyable. Thanks to you and Mitch for that.

[@paulbrodie]

@@piconano Thanks for liking our videos. Have you tried brazing aluminum? I did, many years ago. Never had any success at all. Try brazing some sample pieces before you plunge in to your project. I would Tig weld it. That, I know I can do. Good Luck.

[@piconano]

@@paulbrodie I just got my aluminum brazing rod pack from Amazon yesterday. Along with a stainless steel brush. It's 99% like soldering. I tried it on a few pieces of Home Depot aluminum angle and it works like nobody's business. I couldn't break the joint on 1/4" aluminum! bent it to hell and back and it took it like a champ. I tried MIG and TIG over 20 years ago and sucked at it. It requires skills and hardware I don't have. I've soldered since I was a kid. That I know how to do. Cheers.

[@paulbrodie]

@@piconano 😉

[@tinymotogarage]

I was frantically writing down the aluminum info (3003 bends best, 5052 is a good alt, 6000 doesn't bend well) and it struck me - is there some sort of "guidebook" for what material to use where? (metal for dummies kind of thing). Thanks for another great video.

[@paulbrodie]

There might be a guidebook somewhere... I would just Google or search KZbin. 6061 will bend easily if you take the heat treating down to T0 (T zero) or close. 7075 is more expensive than 6061, but is stronger and machines beautifully with sharp tooling. 7075 is not weldable.

[@AndrewBoundy]

@@paulbrodie Awesome - more info for the file :-) - thanks as always.

[@TOjoe1strow]

lets see some slow mo of the chips on the die filer thanks!

[@joelrunyan1608]

If you had caught it.... you Could have put one of those 3 holes where the old cable stop was

[@paco1938]

I never make wheel spacers out of aluminum. It’s too soft and squashes. I use 303 stainless and make them wide where they fit against the swing arm. BTW you did a beautiful job on that antique 19th century bicycle.

[@paulbrodie]

Thanks Frank. Perhaps you are torquing your axle nuts much more than me? I have not had any problems with shrinking aluminum wheel spacers.. Thanks for watching.

[@joelrunyan1608]

Saw that quick chucking / fast lathe tapping method almost bite ya... 😬

[@paulbrodie]

But really, it does work 99% of the time.

[@jimurrata6785]

You need an artist's pallete knife to mix and apply your epoxy. 💡

[@johnrisinger3936]

So are you converting a street 250cc Aermacchi to a HD CRTT? I wrenched on the CRS. It made a fair short track bike back in the mid sixties. Never trust those Del Lorto carb float valves. Turn off the fuel petcock and run it dry before parking it any length of time or fuel will enter the cylinder and dilute the engine oil.

[@paulbrodie]

Not converting. I'm building a racebike to replace the one stolen in 2005. I made the frame and swingarm, motor is 71/72 cases with 73/74 five speed. Carb is 35mm Spanish Amal. Very fun bike to ride. Thanks for watching!

[@johnrisinger3936]

@@paulbrodie Sounds like fun. i used to race CCS light weight sportsman class. My son still occasionally races WERA 1000 super stock.

[@jimgourgoutis]

Is the glue you used anything like JB Weld?

[@paulbrodie]

I have not used JB weld, but have spoken to some who have, and I believe they are similar products.

[@stephanuhu963]

@@paulbrodie Pratley putty "Kitsvas" - South African connection??

[@paulbrodie]

@@stephanuhu963 Not sure if there is a connection; I bought Pratley Steel over 20 years ago and it came from South Africa. That's what I know :)

[@stephanuhu963]

@@paulbrodie Yep, that's also about how long I've now been in BC from SA, lol. Love your channel Paul, and admire your work as much as your laid back and amiable style. Great video production work too. Pratley is made in Krugersdorp South Africa and is still thriving though regrettably not very visible on world markets.

[@Biohazed]

I finally found out why people keep posting comments with the words Minecraft, ASMR, PewDiePie, MrBeast, Pokemon card unboxing, and Call of Duty on my channel. Apparently it gives you a ridiculously unfair boost in the algorithm.

[@douglasdurflinger7224]

Square head triumph T20

[@paulbrodie]

Not sure how that relates to the video, but Alright!

[@istvannyitray8867]

Why not double side brake from me as on picture?

[@paulbrodie]

You mean a 4-leading shoe brake?

[@istvannyitray8867]

@@paulbrodie yes, check out my offer: www.budamotor.hu

[@markhall912]

Lost me at glue it on Tig on maybe better

[@paulbrodie]

Bonding with epoxy... no distortion. Tig = distortion.

[@davidwilliamson9162]

Love this but I really want you to ally weld the boss back not glue it,🙏 you won’t have that niggle at the back ov your mind!

[@paulbrodie]

Aluminum welding takes away the heat treating so that's why I prefer to glue and screw. It really is a very strong system. I raced this front brake for five seasons, never any problems. Thanks for watching!

[@davidwilliamson9162]

I’ve had minifin rear mini aluminium drums welded and power coated there still steel linings to be extra safe try a cheap drum first? Love your shop aswell👍

[@paulbrodie]

@@davidwilliamson9162 Not sure what "minifin" is. So I'm not sure exactly what you are telling me, sorry.

[@davidwilliamson9162]

Your obsessed with weight saving a true racer,I had a fishing scale and one rule anything comes off it doesn’t go back until it’s less weight 👍

[@paulbrodie]

@@davidwilliamson9162 I really do like building Vintage road racers :)