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> Why horizontal fans...
Bills914-4
post Apr 12 2011, 03:33 AM
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QUOTE(904svo @ Apr 11 2011, 09:34 PM) *

How about a type 587 fan on a type IV engine.





Who makes that system & How much

Thanks Bill D.
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nsr-jamie
post Apr 12 2011, 08:50 AM
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Not sure why, but I love this look so much !!! Some day I hope to have that Tangerine set up on my 914-4 big bore engine and a matching Tangerine exhaust.
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Scott S
post Apr 12 2011, 09:27 AM
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Here are the parts for the 911 set up (less the alternator). This was up for sale a while back. I pondered loong and hard, but could not justify the cost (something like 5-6k as I recall). I love that look.


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Rob-O
post Apr 12 2011, 07:31 PM
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I think on the 917. it also made sense to pull the air in from the top of the car, as trying to get the air into the front of the motor would've proved difficult to do. On the 914 we have the two small diverters on the bottom of the floor pan (back of the pan) and an area above where the grill is. I wouldn't imagine those are great places to grab air on the 917.

And that 911 setup looks superb. Didn't Jake have a horizontal fan setup available on his big IV's?
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Jake Raby
post Apr 12 2011, 07:38 PM
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QUOTE
Didn't Jake have a horizontal fan setup available on his big IV's?

No.
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904svo
post Apr 12 2011, 08:07 PM
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QUOTE(WLD419 @ Apr 12 2011, 01:33 AM) *

QUOTE(904svo @ Apr 11 2011, 09:34 PM) *

How about a type 587 fan on a type IV engine.





Who makes that system & How much

Thanks Bill D.


Its a home made unit.
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Rob-O
post Apr 12 2011, 08:12 PM
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QUOTE
Didn't Jake have a horizontal fan setup available on his big IV's?
No.


Ah, what the hell do you know! (IMG:style_emoticons/default/biggrin.gif)

I was thinking of the concept, not the exact application. I guess a horizontal cooling fan is providing a similar airflow path to the DTM setup you use, isn't it Jake?
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Sleepin
post Apr 12 2011, 08:53 PM
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I liked Darrell Zipp's hand built Type IV cooler in his 550 replica:



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1970 Neun vierzehn
post Apr 12 2011, 09:20 PM
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I always liked the story (urban legend, or in this case, track legend) about how during the early stages of the 917s' development, that horizontal fan somehow became "'unfastened" and probably landed in another European zip code.

That reminds me of the story about how when Brian Redman was first introduced to the challenge of driving the 917, when the wiper switch was activated, the wiper flew off!
Poor Brian no doubt wondered what else wasn't torqued down properly. (IMG:style_emoticons/default/huh.gif)
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Dr Evil
post Apr 12 2011, 09:24 PM
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QUOTE(Scott Schroeder @ Apr 12 2011, 11:27 AM) *

Here are the parts for the 911 set up (less the alternator). This was up for sale a while back. I pondered loong and hard, but could not justify the cost (something like 5-6k as I recall). I love that look.


This looks over engineered. I bet we could do it cheaper and better.

Cool, though.
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URY914
post Apr 13 2011, 06:06 PM
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URY914
post Apr 13 2011, 06:07 PM
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URY914
post Apr 13 2011, 06:10 PM
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URY914
post Apr 13 2011, 06:11 PM
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Dr Evil
post Apr 13 2011, 08:40 PM
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That looks light (IMG:style_emoticons/default/blink.gif)
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rohar
post Apr 13 2011, 11:47 PM
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QUOTE(Dr Evil @ Apr 13 2011, 07:40 PM) *

That looks light (IMG:style_emoticons/default/blink.gif)


I'm thinking it'd be a damned sight lighter if a bunch of that aluminum was swapped out for CF. I know a guy, just built a new vacuum pump for his layup bench (IMG:style_emoticons/default/devil.gif)
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r_towle
post Apr 14 2011, 08:58 AM
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BMW motorcycle rear 90 degree shaft drive unit.
Bolt to top of case...add fan and pulley.

Just saying...

Rich
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Dr Evil
post Apr 14 2011, 09:39 AM
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Still way to heavy. Why are these things so heavy. A simple shaft and small 90*, enclosed, lubed gear set ought to do the trick. Aircraft style - simple + light.
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r_towle
post Apr 14 2011, 09:49 AM
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needs to be high speed
I found a few industrial 90 degree drive units...McMaster sells them.

I thought the stripped bmw unit might also be a valid candidate...I just have not had the time to look at the older ones that would be smaller and lighter...60-70's

Rich
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Woody
post Apr 14 2011, 10:13 AM
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I am considering upgrading the cooling system on my -4 since it gets so hot down here in the summers. I know Jakes DTM is tried and true but I really like the look of Tangerine's horizontal setup. That things got to look damn mean with the engine lid up. Any benifits to one or the other?
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