[Spridgets] Bent Frame Rails

[David Riker]

Daniel:

And we've talked before about some of your brake mods.  I doubt the stock 
brakes could generate enough force to crack the welds,  but with sticky 
tires, a big brake kit and a power booster, well, all bets are off. 
Remember the 1st of the bugeyes with front drum brakes didn't even have 
inner and outer triangle reinforcements.

Really, the curved frame rails are an elegantly simple solution to a number 
of design requirements.  If the A-arms were to be mounted at an angle to 
achieve correct caster, then the frame rails would need to be taller, hence 
heavier and more costly in terms of raw materials.  Jigging the cross member 
at an angle would have been more complex than jigging the frame.  Also, the 
engine does tilt back slightly, the curve in the frame aiding in drive shaft 
alignment and minimizing the u-joint angle. With the engine at a slight 
rearward tilt, yes, the radiator does need to tilt so that the fan is 
parallel to the radiator.  Not to mention, in a crash,  I'm sure this bend 
has an affect on the crumple pattern and energy absorbsion.

David R.


----- Original Message ----- 
From: <WeslakeMonza1330 at aol.com>
To: <abcoz at hky.com>; <spridgets at autox.team.net>
Sent: Sunday, December 21, 2008 2:11 PM
Subject: Re: [Spridgets] Bent Frame Rails


> Well said.
>
> On hard driven cars what you get is crack in the metal on the section of
> metal joining that front triangle section - what I'd call a chassis leg 
> section.
> This crack is apparently caused by heavy braking on racing cars,  road car
> in my instance.
>
> Regards
>
> Weslake-Monza 1330
>
> In a message dated 21/12/2008 21:41:40 GMT Standard Time, abcoz at hky.com
> writes:
>
> Now,  competition cars are a different story.  But, even those don't 
> retain
> any
> deflection imposed due to overloading by uprated suspension tires & 
> brakes.
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