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Re: questions on Paul Tegler's Spitfire website

To: spitdriver78@yahoo.com ("George P."), nass@yahoogroups.com,
Subject: Re: questions on Paul Tegler's Spitfire website
From: ZoboHerald@aol.com
Date: Mon, 15 Mar 2004 12:36:46 -0500
In a message dated 3/15/2004 11:50:01 AM Eastern Standard Time, 
spitdriver78@yahoo.com writes:

>   1.  Brakes - Tandem master cylinder operating front and rear brakes
> independently.  I thought I read (granted this was a long time ago) that
> the dual circuits operated on diagonals - LR/RF on one circuit, and RR/LF
> on the other.  Supposedly for more stability under braking if one circuit
> is lost.   Yes/no?

Some systems do that; some (such as Volvo) even work independently on three out 
of four wheels at a time. But Triumph dual circuits are front and rear.
  
> 2.  Chassis data - many measurements have "(2 up condition)" after them.  
>What does that mean?

Perhaps the approximately load of two occupants -- driver and passenger?

>   3.  Gearbox - what does the "overall" ratio tell us?  I figured out
> that the overall is the gear ratio multiplied by the final drive ratio, but
> I still don't understand what that's telling me...


Yep, that's pretty much it. In other words, the overall ratio indicates -- in 
any given gear -- how many times the engine turns in order to turn the rear 
wheels one complete revolution.

--Andy Mace





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