I'm sure a person could easily fashion some ductwork channeling cooler air
to the calipers and rotors.  Probably more of an issue for heat dissipation
after a prolonged descent down a steep slope.

On Thu, Jul 14, 2011 at 1:24 PM, Scott Daniel - Turbovans <
scottdaniel@turbovans.com> wrote:

> strongly disagree ..
> it's very important to have good air flow to the brakes through the wheels
> and hubcaps.
> You'll notice ..
> all stock vanagon wheel configurations allow for good air flow to the
> brakes....
> right through the wheel and hubcap, or through the alloy wheel, etc.
>
>
>
> ----- Original Message -----
> From: "Don Hanson" <dhanson928@GMAIL.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Thursday, July 14, 2011 9:17 AM
> Subject: Re: Moon discs?
>
>
>  On Wed, Jul 13, 2011 at 9:38 PM, Tom Boldway <jboldway@hotmail.com>
>> wrote:
>>
>>  Ok, insane brain f@rt - should I buy Moon Discs for my '84 camper?????
>>>
>>
>>
>>  Yes, buy em.  I've looked into them for my van, but I don't wanna spend
>> the money...They're available in two different formats..cheaper ones that
>> are mounted to your rims using screws and  normal style ones that 'clip'
>> into the wheel.    I think they would look pretty good and they would help
>> your van's aerodynamics.
>>
>>  I doubt that anyone can drive a van at sustained speeds that would
>> seriously heat up the brake components.  The dang things would just tip
>> over....  Yeah, if you loaded it up with a ton or two and descended a long
>> steep hill without using any engine braking...you might get some glowing
>> rotors....but on a road that required continuous application of brakes,
>> you
>> ain't gonna be going fast enough in a vanagon to provide any meaningful
>> air
>> to the brakes anyhow..
>>
>>  At sustained speeds there is a remarkable amount of air moving past the
>> vehicle.  Anything one does to improve that air flow, do diminish drag,
>> that
>> is 'free gas mileage-free speed'....it is always there, every mile.
>> Vanagons and Aerodynamics:  That is an Oxy Moreon....but little things add
>> up..
>>
>> I know when I was doing 'speed' in the Open Highway races in Nevada..at
>> ~200mph in my 928 Porsche...taping over the hood and hatch seams and small
>> details like that were good for almost 15mph at full throttle...We did one
>> run where I neglected to raise the windows.....30mph below our normal top
>> end...and raising the window when already at speed?  That was a real "No
>> No"
>> as was learned by one of our 'sister cars' who lost the glass trying that.
>>
>>  Moons....they would really fit the retro look of the older vanagon, too.
>>
>>  Don Hanson
>>
>>
>>>

--
Casey