Does a New Impeller Make a Difference in a Harbor Freight Dust Collector?

  Рет қаралды 46,280

Glenn Frazee

Glenn Frazee

Күн бұрын

Пікірлер: 73
@626pingj
@626pingj Жыл бұрын
Thanks for sharing. I replaced my impeller on my HF dust collector last year then promptly injured my back and haven’t been in the shop since. Love how you rotated the housings.
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
Ah, that sucks. Hope you're back at it again soon!
@dougw3531
@dougw3531 Жыл бұрын
Thanks for the static pressure measurements. I was looking at getting a 1 HP blower. I think I need 1.5" WC for my purposes. Probably a good bet I'll get that.
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
Yeah, 1.5" seems reasonable.
@KeimpieceCarpentry
@KeimpieceCarpentry Күн бұрын
Do you happen to have an issue with air blowing out from underneath the black endcap on the motor itself. When I suck up a lot of dust it'll actually shoot the dust out from underneath that cap, completely defeating the purpose of the canister filter because it fills my shop with that fine dust.
@adhamatta
@adhamatta 5 ай бұрын
Thanks for the video! That's an awesome compass you got there! Do you have a link for it by any chance?
@GlennFrazeeYT
@GlennFrazeeYT 5 ай бұрын
Check the links in the description 👍
@micksute
@micksute Жыл бұрын
I love the testing and data! One thing that slaps me in the face though is the choked down 4" exhaust for the system. Is there any way you can convert that to 6"? It has the be worth the same improvement again as the impeller change
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
It's actually 5" on the outlet, so that helps considerably compared to 4". I'm sure there's a way to convert to a 6", but that'll have to wait for the future.
@golfinusa
@golfinusa 3 ай бұрын
I have a Jet 1.5 HP unit. I wonder if I could upgrade it as well… 🤔
@GlennFrazeeYT
@GlennFrazeeYT 3 ай бұрын
Probably. I bet they're very similar
@jnkrois
@jnkrois Жыл бұрын
@glenn - Hey Glenn! Thank you for the video. I replaced the impeller on my HF blower just like you did. However, when I received the Wen impeller and put it side by side with the HF, I realized that the fins are oriented in the opposite direction. I imagined it would impact air movement inside the blower housing. In my mind, the concave shape of the HF fins combined with the rotation would catch air and force it out the blower. With the Wen, the orientation of the fins makes the convex side be the one pushing the air based on the rotation of the impeller. And instead of catching air, the fins would kind-of displace it. I installed it anyway and I believe my system has increased suction with the new impeller (as yours did). But I'm curious to know if the fins oriented as the factory ones would have improved performance more than by just increasing the size of the impeller. Do you have any thoughts? Thanks
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
I don't know all the airflow dynamics behind it, but the fins are indeed reverse from the Harbor Freight. The way I picture it in my head is that the HF impeller is pushing air with the blades curved away from the direction of travel, and the new impeller is throwing air via centrifugal force out the radius of the blade.
@jnkrois
@jnkrois Жыл бұрын
@@GlennFrazeeYT - Thank you very much for your reply. With the impeller and canister filter upgrade, my dust collector works much better than before. I'd like to point out that I wanted to upgrade for a long time. This video and the effort you put into it encouraged me to do it. Very happy with the results. The reason I posted the question above is because it made me a little uneasy to deviate from the original factory design. And the extra load on the motor was already a little bit of a stretch for me, since all my breakers are 15 and 20 amps. They trip if far too easy.😡 I'm sure HF does not spend a lot of time/money on R&D, but I doubt that fins orientation was arbitrary. Thanks
@ImBatman83
@ImBatman83 Жыл бұрын
I think the HF impeller is correct. Look at any centrifugal pump and you’ll see that the convex side faces the discharge. Therefore, the wen IS backwards. It only performs better because it’s larger. Get a larger HF style impeller and it should perform better
@markhoward3851
@markhoward3851 Жыл бұрын
This is a great question. If you google turbocharger and look at images, you can see how they work. The HF impeller is actually backwards compared to conventional design. It is actually working like a scoop, pushing air out the discharge. The larger impeller is oriented proper. It's leading edge slices air at the inlet and uses centrifugal force to 'roll' the air out it's OD into the housing. The housing then collects and directs out the discharge. That is why it is smaller growing larger, largest at exit. I have the HF DC, now I'm curious to open mine up and look. SImply reversing the blades would probably be a huge improvement.
@gustaveliasson5395
@gustaveliasson5395 8 ай бұрын
​@@ImBatman83 I think the Wen impeller is correct. Look at any centrifugal pump and you'll see that the concave side faces the discharge. Therefore the HF is backwards, and switching to the WEN's "concentional-style" impeller was the right choice.
@scottandpeggygrant2346
@scottandpeggygrant2346 2 ай бұрын
Success !!!! I bought an “upgrade WEN “ impeller 50$ for my dust collector and I was worried it either would kick the breaker at start up all the time or I would have to upgrade the wire and breaker pain in the a ! I installed the impeller and at first it was kicking the 20 amp breaker but I didn’t have it all reassembled which I think was over taxing the motor basically it was trying to suck too much air creating too much of a load on the motor. Put it all back together and it starts up fine and it is a definite increase in suction ! Nerds on the internet with their wind speed meters complain that it doesn’t up the cfms well I have seen their systems they look leaky and they use the wrong angled connections all of it adds up. I have a substantial gain in suction performance .all that matters is “can suck up chips and dust better no matter the performance curve of lager impeller.
@GlennFrazeeYT
@GlennFrazeeYT 2 ай бұрын
Yep, as long as it works, the specs aren't too important
@dannyhenley8919
@dannyhenley8919 24 күн бұрын
You guys! The rotation of the impellers being the same with the old and new impellers the blades on the larger replacement must, I repeat MUST be curved in the same direction putting the correct impeller in ie cured in the same direction as the old will NOT INCREASE THE FANS FFM output. Any increase is due to larger inlet and other improvements. Note when sells two replacement impellers for two different machines. Get the right one then remeasure the increase. It’s way more than the test shown on this video. Your welcome.
@igotbricotools2035
@igotbricotools2035 24 күн бұрын
The link to the impeller doesnt work
@skiroy56
@skiroy56 3 ай бұрын
Curious if one were to add to the blades of the original impeller so they are the same length as the new impeller if the performance would be equal or better than adding the new impeller.
@GlennFrazeeYT
@GlennFrazeeYT 3 ай бұрын
That's much easier said than done. Balancing that modified impeller would be a big chore, and likely it would shake itself to pieces.
@skiroy56
@skiroy56 3 ай бұрын
@@GlennFrazeeYT I had not thought about that, Thanks for the input.
@benjoseph260
@benjoseph260 5 ай бұрын
Which way does the motor spin?
@GlennFrazeeYT
@GlennFrazeeYT 5 ай бұрын
Clockwise
@jeffkline799
@jeffkline799 8 ай бұрын
How did you attach the new 6” port onto the housing cover?
@GlennFrazeeYT
@GlennFrazeeYT 7 ай бұрын
I just used the adhesive on the duct flange adapter, which isn't sufficient after using it for a while (adhesive failed). I need to make a flange backing out of steel plate and bolt it thru the housing cover.
@jeffkline799
@jeffkline799 7 ай бұрын
Do you think pop rivets would work with the adhesive gasket?
@GlennFrazeeYT
@GlennFrazeeYT 7 ай бұрын
You'd have to check clearance with the impeller, but I don't see why not
@joedance14
@joedance14 Жыл бұрын
How did you get the HF impeller off the shaft? I had heard or read that a three-legged gear puller would not work - that there was no place to grip - and that it required some special “fan puller”. Would love to get some additional details or insights. Thanks!
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
What you see in the video is what I did
@joedance14
@joedance14 Жыл бұрын
@@GlennFrazeeYTWhat puller was used?
@rq5647
@rq5647 10 ай бұрын
3 jaw pulled worked just fine….30 minute job to replace the impeller.
@ericsfo1
@ericsfo1 6 ай бұрын
The key never came off the shaft when I removed the old impeller. Seems stuck pretty good and given amount of rust on the shaft not surprised. Would you just leave it and put the other one on or get the key off first? I’m afraid to get it off I may do some damage to it or the shaft.
@GlennFrazeeYT
@GlennFrazeeYT 6 ай бұрын
If the key is the correct size for the new impeller, just leave it on
@ericsfo1
@ericsfo1 6 ай бұрын
Thanks. I did lightly slide it over it and seemed to fit. It is the Wen impeller not the Rikon and no one has said to replace it only to not lose it. I will add some lithium grease and roll with it. Thanks for the reply
@NAOSANT
@NAOSANT Жыл бұрын
Would getting a new impeller for my 1hp dust collector be good or does it not have enough power?
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
Hard to say
@michaelsqaureseverything3255
@michaelsqaureseverything3255 Жыл бұрын
What the size breaker you use?
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
20amp, 120v
@davewijnhamer140
@davewijnhamer140 Жыл бұрын
my seal got damage, can you tell me where to get a new one?
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
Sorry, no idea
@allanf6047
@allanf6047 Жыл бұрын
home depot
@teamvtube
@teamvtube Жыл бұрын
I have seen a few of these upgrades and the impeller blades on the upgraded fan seem to be in the opposite direction to the stock one. Would this limit the increase in performance as it won't be able to "capture" as much air to move?
@mrniusi11
@mrniusi11 Жыл бұрын
Yes, you're right. Fan blades are optimized to go in one direction and running the backwards will not yield the same results
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
The blades of this new impeller are reverse from the old one, which is per design. One is forward throw and the other is reverse throw.
@gustaveliasson5395
@gustaveliasson5395 Жыл бұрын
Centripetal blowers are non-reversible, they'll fling air outwards from the center of the impeller regardless of the shape of the blades and the direction of rotation; there's no way to make them "capture" air. If you mount the blades so that they're trying to scoop air from the outside of the impeller and pull it towards the center, the centripetal force will easily overpower the scooping action and fling air out past the blades anyway, all you'd be doing is converting some of the centripetal acceleration (pressure) into velocity to get the air moving faster than the bladetips... ...and you'd then immediately lose that velocity because you just killed your static pressure.
@hurstonhurst2242
@hurstonhurst2242 Жыл бұрын
How much ducting work is there? I only ask because i have the same equipment.... but only a 20ft run of 4" pipe and im getting 1267.58 cfm....
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
I have at least that much in 6". In all honestly, probably too much for the collector, but I've got some upgrades in mind
@serjacole
@serjacole Жыл бұрын
A
@hurstonhurst2242
@hurstonhurst2242 Жыл бұрын
@@GlennFrazeeYT I haven't done the impeller yet, but I did put the grizzly filter on and modified the motor height to line up with the metal housing for the filter and reduced the distance between the two. This really did make major improvements to my system, Including reducing the static pressure from the restrictive bag filter. The collection bag below the filter never gets "Blown Up" like a balloon anymore.
@williamfertenbaugh7940
@williamfertenbaugh7940 11 ай бұрын
Did you order the new impeller from the harbor freight factory?
@GlennFrazeeYT
@GlennFrazeeYT 11 ай бұрын
Nope this one was from Rikon
@brucelavis4934
@brucelavis4934 Жыл бұрын
Hello Glenn The first reading you got was 2900. That is Linear feet per minute. How did you arrive at 570 CFM. On a 4 inch hose you must first determine the area of the hole in tube. In this case it should be12.56 inches square feet. Then you divide that number into 2900 and get 230 CFM. You are confusing wind speed (velocity) with velocity and mass. With 230 CFM it is to weak for dust collection at table saw (600CFM). You need to pull this video off and test again with new calculations. The best of success. Bruce
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
It's a 6" duct. Area = pi/4*(6in)^2 = 28.3 sq. in = 0.196 sq. ft. Multiply that by 2900 ft/min = 570 cfm.
@brucelavis4934
@brucelavis4934 Жыл бұрын
@@GlennFrazeeYT Thx Glenn . If I only would pay attention more not 4 but 6. Got it brother, keep up the great work and thank you for super quick response. Bruce
@oneoffour63
@oneoffour63 11 ай бұрын
That suction is better than Vanessa De Rio!!!
@GlennFrazeeYT
@GlennFrazeeYT 11 ай бұрын
Risky click 😳
@brucelavis4934
@brucelavis4934 Жыл бұрын
Sorry 12.56 square inches ( not square feet) divided into 2900 square inches
@kuehnel16
@kuehnel16 9 ай бұрын
Wouldn't it be easier to buy a bigger dust collector
@GlennFrazeeYT
@GlennFrazeeYT 9 ай бұрын
Won't fit
@xsterawesome
@xsterawesome Жыл бұрын
Aren't you concerned about burning up the motor or at least shortening its life? I would think they sized everything for the motor, you can always get more peek power than continuous, but you can't have the 100% duty cycle.
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
Eh, not really. If the motor is gonna crap out, this won't be what does it.
@groverw7507
@groverw7507 7 ай бұрын
Impeller with backward blades like the Harbor Freight provide high pressure low volume, desirable for a dust collection setup. You might see if the motor is reversible by rewiring or flipping the stator. Clockwise rotation on the new impeller should give better results. See kzbin.info/www/bejne/j6aokoNvoN6cfMU
@GlennFrazeeYT
@GlennFrazeeYT 7 ай бұрын
The outlet would need to be reversed too if I reversed the motor
@HolzMichel
@HolzMichel Жыл бұрын
am i seeing that right?? the blades on the old impeller are curved wrong.. no wonder the thing didn't suck...also, lose that stupid grille they put in the intake.. all it does it restrict airflow where it's needed most
@GlennFrazeeYT
@GlennFrazeeYT Жыл бұрын
Impeller blades can go either way. The grille keeps large (unintended) debris from damaging the blades.
@HolzMichel
@HolzMichel Жыл бұрын
@@GlennFrazeeYT the blades are rotational for them to work right. your old impeller is set up to rotate counter clockwise your new one clockwise. a straight bladed impeller can run either direction. while your old impeller will work to a certain degree, it doesn't work as efficiently as it should if you run a planer that generates large chips with the screen in the intake it will constantly plug up. after removing it in the one i had, it never had a problem after that. the likelihood of the thing sucking up a huge pine knot that can damage the impeller is so remote i even have trouble saying it
@rq5647
@rq5647 10 ай бұрын
Wrong….check out WEN dust collectors and you will see the same direction housing. Impellers can be shaped either way. The difference is when you measure speed and static pressure. The WEN impeller induces higher static pressure and CFM.
@HolzMichel
@HolzMichel 10 ай бұрын
@@rq5647 if you say so... i don't know anything about them ..only deal with them on a daily basis and have built several from the ground up
@mrniusi11
@mrniusi11 3 ай бұрын
You can rent a gear puller from auto parts stores for free full refund.
@GlennFrazeeYT
@GlennFrazeeYT 3 ай бұрын
Good tip 👍
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