Introducing the new Evolution fan shroud for Type 1 engines!
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- Опубликовано: 6 окт 2024
- A lengthy introduction to Andrig's Aircooled Technology Evolution fan shroud. I'm planning on two versions, the Evolution One, and the Evolution Two. This video introduces the Evolution One, and later I'll show and introduce the Evolution Two.
I’m very happy with the fan and directional fins I purchased make’s engine run cooler and because light weight I actually gained 5 mph at same rpm’s as the welded metal fan I used to have. I would definitely purchase the new style fan shroud once available ✌️
Thanks, I appreciate that very much.
With the doghouse deleted it would be a great spot for a breather box that could drain into the mechanical fuel pump block off. I can't wait to see what's next, keep it up!
Thanks. I have a number of new ideas, and hopefully we will be able to them to market this year.
Wow, learned a lot about shrouds. I don't currently have an engine that would benefit, but hopefully some day. I appreciate what you are doing!
Thanks. I appreciate being appreciated ;-)
The worst thing with leakage ive found is the cylinder tins that fit around the fan shroud. They never fit tight. I end up using tape or foam tape to fill in those areas. I dunno if its the tins or the shroud thats off. Im sure its the tins and they are terrible for trying to bend back to fit. Good luck a new updated shroud is definitely needed for these engines.. Thanks for helping !!
Just answered this in video 3...thanks!!
Sounds good.
I just found your channel, im curious if this shroud will fit on the newer aluminum cases with "bubble" top?
Yes, it does. I specifically designed it to fit without modification on the aluminum "bubble top" cases. My test engine uses one of those.
@andrigsaircooledtechnology thanks for the quick response, been trying to order but can't seem to figure out my PayPal account.
@@goldentrunnell7450 You're very welcome. I know the feeling on PayPal ;-) I use my business PayPal account all the time, but my personal one I use once in a blue moon, and most of the time I can't remember the dumb password, and have to reset it.
Hi. Thanks for all the efforts in moving the hobby forward. Have you tested the fan’s RPM limit? Being that it is plastic, will this be as strong as a welded stock fan? The product looks great.
Thanks!
Yes, I tested to 8,000 RPM crankshaft speed on my test engine. I have a poly-v belt (serpentine) setup on it, so there is a lot less belt slip, although I'm not sure if there is none, or if it just slips further up the RPM band somewhere. The standard v-belt will start to slip in the 4,000 to 4,500 RPM range, so the fan RPM doesn't go up as much when you are at those higher RPM's. In any case, if there is no belt slip on my setup, the fan would be spinning at 12,800 RPM. I think we can safely estimate it was spinning above 10,000 RPM. If it was spinning at 12,800 RPM, the outer edge of the fan blades are traveling at ~95 mph. Based on the high pitched sound the fan was making at that RPM, I'm pretty sure it was spinning very close to those upper bounds if not the 12,800 RPM. When I did this testing, some people that were nearby came running because the wanted to see the blown engine I was running ;-) Of course, at lower speeds the fan doesn't sound like that, but it made a very interesting sound up there in the stratosphere.
@@andrigsaircooledtechnology wow, that was fast. Thanks for the details reply. You can disregard my email to you via your site. I just sent it. Do you have complete kits in stock currently?
@@ocavant They are print to order, and there is backlog currently.
@@andrigsaircooledtechnology Cool. I’m in no hurry as this will be for a future HP build. Do you have an estimate of back order length? I’m sure it’s more than “two weeks” lol :-)
@@ocavant I'm not sure as I am not at full production capacity right now. Working through an issue with my 3D printer vendor.
Hopefully a real comment here, of course headwork (removing excess casting material), being done equally, and assuming your 8% balance issue resolved, I need to know cooling efficiency / hp gains in relationship to crank /alternator pulley size combinations. I work in the field, one shop/retail location, 40+% is massive.
I would love to buy one of your first (numbered and signed), I will save some cash and wait. Save my info.
I resolved the air balance issue. Based on my testing of the Lightweight Cooling Fan NG, I won't be doing the Evolution One, but just the Evolution Two (see my Catastrophe video). Having said that, the Evolution Two has 66% more air flow. I haven't measured the hp draw yet, but will do so I'll post the data. The efficiency will be a lot higher than OEM, and with that the hp draw differences will be fairly minimal, especially in light of the cooling capacity increase. With the Evolution Two, you would also be able to use a power pulley and still get much better cooling, and you will lessen the hp draw at the same time.
Air the fans compressing the air thinking it could make heat or add heat
No, there is not real air compression happening.