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Author: Subject: Cockpit vents
Slater

posted on 14/2/20 at 05:58 PM Reply With Quote
Cockpit vents

Hello
As I use my kit all year round, I'd like some cheap heating in the footwell if possible, I notice the ali sheet on the transmission tunnel gets nice and toasty and thought that an adjustable vent fitted on the tunnel down near my left calf might allow some hot air through to heat my legs up. Thinking of the louver type ones in the pics below, but you can also get a clear plastic one from demon tweaks that can be rotated and closed off, link below, I've seen this type used in helicopter windows.

Is this a good/bad idea?
Anyone else fitted a vent in the tunnel?

[img] adjustable vent 1
adjustable vent 1
[/img]

[img] adjustable vent 2
adjustable vent 2
[/img]

Link to Demon Tweaks Pop It Vent





Why do they call Port Harcourt "The Garden City"?...... Becauase they can't spell Stramash.

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russbost

posted on 14/2/20 at 07:00 PM Reply With Quote
Not a problem with an open cockpit, but not to be advised with a hood up even with the usual air leaks, you could get CO poisoning!

You could take it one step further & make a small heat exchanger around the exhaust - it's how we heat our plane cockpit & is surprisingly efficient





Furore Formula Car - the only two seater modern Formula Car lookalike. I no longer run Furore Products or Furore Cars Ltd, but would still highly recommend them for Acewell dashes, projector headlights, dominator headlights, indicators, mirrors etc, best prices in the UK! Take a look at http://www.furoreproducts.co.uk/ or find more parts on Ebay, user names furoreltd & furoreproducts, discounts available for LCB users.
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40inches

posted on 14/2/20 at 08:11 PM Reply With Quote
quote:
Originally posted by russbost
Not a problem with an open cockpit, but not to be advised with a hood up even with the usual air leaks, you could get CO poisoning!

You could take it one step further & make a small heat exchanger around the exhaust - it's how we heat our plane cockpit & is surprisingly efficient

Didn't the air cooled VW beetle use this system?

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JAG

posted on 14/2/20 at 09:24 PM Reply With Quote
quote:

Didn't the air cooled VW beetle use this system?



It did, a great way to gas the occupants if you have the slightest crack or leak in the exhaust - Adolf's finest idea

[Edited on 14/2/20 by JAG]





Justin


Who is this super hero? Sarge? ...No.
Rosemary, the telephone operator? ...No.
Penry, the mild-mannered janitor? ...Could be!

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russbost

posted on 15/2/20 at 09:51 AM Reply With Quote
Yeah, the Beetle used all steel heat exchangers, poor thermal conductivity plus high corrosion back in the day when we didn't have such good corrosive resistant coatings. They did frequently leak & in a closed environment could be lethal!

The one on our plane simply slips over the existing exhaust pipe & bolts in place, it's all ali so good thermal conductivity





Furore Formula Car - the only two seater modern Formula Car lookalike. I no longer run Furore Products or Furore Cars Ltd, but would still highly recommend them for Acewell dashes, projector headlights, dominator headlights, indicators, mirrors etc, best prices in the UK! Take a look at http://www.furoreproducts.co.uk/ or find more parts on Ebay, user names furoreltd & furoreproducts, discounts available for LCB users.
Don't forget Stainless Steel Braided brake hoses, made to your exact requirements in any of around 16 colours. http://shop.ebay.co.uk/furoreproducts/m.html?_dmd=1&_ipg=50&_sop=12&_rdc=1

NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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Slater

posted on 15/2/20 at 02:37 PM Reply With Quote
Thanks for the comments, defo no lid on the car, so I'll maybe try out one of the adjustable louver type vents.





Why do they call Port Harcourt "The Garden City"?...... Becauase they can't spell Stramash.

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Angel Acevedo

posted on 16/2/20 at 02:02 AM Reply With Quote
quote:
Originally posted by Slater
Hello
As I use my kit all year round, I'd like some cheap heating in the footwell if possible, I notice the ali sheet on the transmission tunnel gets nice and toasty and thought that an adjustable vent fitted on the tunnel down near my left calf might allow some hot air through to heat my legs up. Thinking of the louver type ones in the pics below, but you can also get a clear plastic one from demon tweaks that can be rotated and closed off, link below, I've seen this type used in helicopter windows.

Is this a good/bad idea?
Anyone else fitted a vent in the tunnel?

[img] adjustable vent 1
adjustable vent 1
[/img]

[img] adjustable vent 2
adjustable vent 2
[/img]

Link to Demon Tweaks Pop It Vent



Another downside is the risk of burns in the event of an engine fire.
Hot air will be even hotter flames right up your legs.





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Mr Whippy

posted on 17/2/20 at 07:28 AM Reply With Quote
tbh I'd not use that method, seems a bit risky. However I'd recommend installing a good heater system as it makes all the difference especially in the cold to the enjoyment of the car. I use to use cortina heaters which in a 2 seater could allow the hood to be down even in winter. I've also used T7 Designs heater systems which although not cheap are good quality and powerful.
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SJ

posted on 17/2/20 at 11:55 AM Reply With Quote
My old air cooled Citroen GS had an exhaust heater. It was super simple and worked brilliantly.
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Mr Whippy

posted on 17/2/20 at 12:20 PM Reply With Quote
quote:
Originally posted by SJ
My old air cooled Citroen GS had an exhaust heater. It was super simple and worked brilliantly.


their great till they leak... then again it's kind of obvious when they do due to the smell but they do heat up very quickly compared to water heating

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SJ

posted on 17/2/20 at 12:25 PM Reply With Quote
Never heard of anyone having a problem with them leaking tbh. The GS had a specific section of the exhaust that the heat exchangers mounted to. I assume this was thicker material than the standard tube and never rusted through.

GS exhausts are very complicated and very often leak elsewhere but the fumes never got into the heater.

As long as it was designed properly should be fine, but maybe not worth the effort.

[Edited on 17/2/20 by SJ]

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JAG

posted on 17/2/20 at 12:57 PM Reply With Quote
I used to have a Cortina heater heat-exchanger mounted in a custom box and using the original Cortina fan.

It delivered hot air to the screen or to the footwells.

It was a good 5kgs and it wasn't all that effective or easy to use. I took it out after 6 years on the road.

I've decided I will replace it with a pair of these; heated seat covers





Justin


Who is this super hero? Sarge? ...No.
Rosemary, the telephone operator? ...No.
Penry, the mild-mannered janitor? ...Could be!

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