<VV> Corvair engine - update

[BBRT]

One of the tricks to keep a belt on under road racing conditions is to use 
Silicone spray on the belt.  To allow it to slip under certain conditions; 
downshifts from 4th to 3rd to 2nd at the end of a straight.  I used the same 
belt for six vintage road racing events one year. It was ruined when the 
harmonic balancer hub cracked, bolt breaking, and harmonic balancer coming 
off, in the seventh and last event of the year. Car was routinely shifted at 
7000 rpm upshifts and sometimes more.
So I respectfully disagree about a slipping belt..

Chuck S
BBRT
----- Original Message ----- 
From: "Ron" <ronh at owt.com>
To: <virtualvairs at corvair.org>; "Padgett" <pp2 at 6007.us>
Sent: Friday, December 15, 2006 3:42 PM
Subject: Re: <VV> Corvair engine - update


> It's my understanding that a slipping belt will get hot (also logical) and 
> fail rapidly.
> RonH
>
> ----- Original Message ----- 
> From: "Padgett" <pp2 at 6007.us>
> To: <virtualvairs at corvair.org>
> Sent: Friday, December 15, 2006 6:18 AM
> Subject: Re: <VV> Corvair engine - update
>
>
>> Back in the day a loose fan belt was necessary on a Formula Vee to stay 
>> with the pack. The idea was to maintain a constant (low) load on the 
>> engine from the accessories. Since the load of the fan increases with RPM 
>> a loose belt allowed it to reach a certain speed and then the belt would 
>> slip so it did not go any faster or absorb any more hp.
>>
>> Not sure about the thumbs, I use my index finger in one of the alternator 
>> blades (engine off) and see how much pull it takes to rotate the 
>> alternator shaft. Not much is just right.
>>
>> Padgett
>>
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