My Type 1 turbo circuit racer (update pg43)

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Re: My Type 1 turbo circuit racer (update pg43)

Post by eben »

I've found the body for your next race car... :tic:
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4agedub
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Re: My Type 1 turbo circuit racer (update pg43)

Post by 4agedub »

Some one has done it already. Ron Lummus racing beetle :D

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Tubular chassis with fiberglass shell.
VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: My Type 1 turbo circuit racer (update pg43)

Post by eben »

Nice. I actually don't think the newest of the new shapes looks too bad. I digress.... awesome build you have. :)
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Re: My Type 1 turbo circuit racer (update pg43)

Post by 4agedub »

Throttle linkage is sorted. I was kind of out of ideas on what exactly to do. My dad took one look at it and made a quick plan that works... :)
I'll take some pics tonight.
VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: My Type 1 turbo circuit racer (update pg43)

Post by 4agedub »

Here's the linkage mods
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VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: My Type 1 turbo circuit racer (update pg43)

Post by 4agedub »

I started on the intercooler and oil cooler water sprayers last night. Got some 0.3mm misting nozzles like what they use on patios etc... so they are mainly there to cool the air and not really spray a lot of water. I would like to keep to 5lt max of water on board to save weight with two pumps... one for the oil cooler and one for the intercooler
fr_599_size880.jpg
fr_601_size880.jpg
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fr_605_size880.jpg
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fr_607_size880.jpg
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VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: My Type 1 turbo circuit racer (update pg43)

Post by JamesD »

Very nice! are you going to have a filter in that system since those nozzles are so fine?
From fastest to slowest:

Birkin race car, not much is standard
Lotus Elise 111R, almost everything is standard
'75 SP 1600 with a few mods
B8 A4 Avant tdi, towing made easy
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Re: My Type 1 turbo circuit racer (update pg43)

Post by 4agedub »

Yes, a normal carburetor plastic filter works good even with water
VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: My Type 1 turbo circuit racer (update pg43)

Post by 4agedub »

Oil cooler spray bar done
fr_607_size880.jpg
fr_608_size880.jpg
fr_609_size880.jpg
Ram tubes installed into throttle bodies
fr_610_size880.jpg
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VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: My Type 1 turbo circuit racer (update pg43)

Post by JamesD »

4agedub wrote:Oil cooler spray bar done
fr_607_size880.jpg
A ring main might have been better here since it would have given a more even pressure distribution to the spray nozzles and hence a more even spray from all four. Unless your pressure is high enough to not see any noticeable pressure drops after each nozzle?

Also why did you not stagger their placement? might have given greater coverage?

Looks very nicely made, wish my welding was that good!
From fastest to slowest:

Birkin race car, not much is standard
Lotus Elise 111R, almost everything is standard
'75 SP 1600 with a few mods
B8 A4 Avant tdi, towing made easy
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Re: My Type 1 turbo circuit racer (update pg43)

Post by 4agedub »

A windscreen washer pump is capable of supplying 1.5 bar pressure with the four nozzles and maintaining it. So I think it'll be fine. The nozzles face into the airflow and not really directly onto the cooler, the spray pattern is pretty wide as well... but yes I did not even think of staggering the placement :)

Some time back we did an install on a bmw race car with the same nozzles... probably around 20 on one car. On the radiator, intercooler, oil coolers and brake ducts. On that one we used a fuel injection fuel pump and bled it off at 3 bar. :) Works excellent. The pump does not like the water though, a water meth 3 bar pump might be better.

My ally welding sucks. Stainless and mild steel I'm ok, but ally.... if the ally is not 100% clean or the sun & moon is not aligned then it stuffs me around. :) Maybe I just need more practice.
VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: My Type 1 turbo circuit racer (update pg43)

Post by beetlefanatic »

What size fan are you using on the intercooler?

I need an 8" fan but can only seem to find 10" fans.
The only substitute for cubic inches are more cubic inches.
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Re: My Type 1 turbo circuit racer (update pg43)

Post by 4agedub »

I think it is around 8". Got it with a EMPI oil cooler some time ago
VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: My Type 1 turbo circuit racer (update pg43)

Post by JamesD »

http://www.ventura.co.za/wcontact.php
Get hold of these guys @beetlefanatic . This was where I got my oil cooler and fan and I think it was 8" as well.

http://www.hot4cold.co.za
Or you could try these guys...
From fastest to slowest:

Birkin race car, not much is standard
Lotus Elise 111R, almost everything is standard
'75 SP 1600 with a few mods
B8 A4 Avant tdi, towing made easy
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beetlefanatic
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Re: My Type 1 turbo circuit racer (update pg43)

Post by beetlefanatic »

Thanks James.
The only substitute for cubic inches are more cubic inches.
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