Worzey
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| posted on 2/5/13 at 02:38 PM |
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Bonnet/Nose vents
Following my post yesterday concerning cooling issues I'm looking for suggestions on solutions for shift air out from under the bonnet.
Looked at NACA ducts which look cool but not sure how effective they'll be at removing heat. Likewise a nose mounted scoop might look nice but
will it vent?
I'd love you to post pictures of what you've done so I can consider options. Did you make them yourself or source elsewhere?
Caterham R400
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40inches
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| posted on 2/5/13 at 02:59 PM |
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Nose cone, bonnet at rear and side panels.
 
Vents
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Ben_Copeland
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| posted on 2/5/13 at 03:04 PM |
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Bonnet Vent
Bonnet
 
Description
Nosecone
Ben
Locost Map on Google Maps
Z20LET Astra Turbo, into a Haynes
Roadster
Enter Your Details Here
http://www.facebook.com/EquinoxProducts for all your bodywork needs!
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Worzey
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| posted on 2/5/13 at 03:05 PM |
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How did you fix the grill on the nose cone? Glued?
Caterham R400
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Ben_Copeland
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| posted on 2/5/13 at 03:22 PM |
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Glue. Best to use sikaflex.
Ben
Locost Map on Google Maps
Z20LET Astra Turbo, into a Haynes
Roadster
Enter Your Details Here
http://www.facebook.com/EquinoxProducts for all your bodywork needs!
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40inches
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| posted on 2/5/13 at 04:15 PM |
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quote:
Originally posted by Worzey
How did you fix the grill on the nose cone? Glued?
I bonded ally angle to the return on the lip, and used screws and big washers.
 
Description
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wicket
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| posted on 2/5/13 at 04:21 PM |
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Glassed in some wire loops and used tyewraps; been there 7 years now with no problems
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tomgregory2000
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| posted on 2/5/13 at 04:53 PM |
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Ummmmm
You don't want or need any bonnet vents ducting air in
You need holes in the bonnet to let the air out
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tomgregory2000
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| posted on 2/5/13 at 04:55 PM |
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Car 8
Here is a picture of my vents I cut in my bonnet and its surprising how much hot air came out and I had a turbo sat in the nine bay, my exhaust was
wrapped as well
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britishtrident
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| posted on 2/5/13 at 05:57 PM |
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Yep, getting the hot air out from the engine bay behind the rad not getting cool air in is the objective.
NACA ducts are very efficient as inlets but don't really work as extractors.
Like tomgregory2000 car extractor vents at the rear sides of the bonnet work really well
Here are a 1950s examples on a Austin Champ
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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Worzey
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| posted on 2/5/13 at 06:11 PM |
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Thanks for the replies. Looks like it'll be a job for a hole saw, dremmel and wire mesh  . Hopefully the second rad fan will control the
overheating but vents will help and look pretty cool.
Caterham R400
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