[Fot] drag co-efficient and frontal area data for selected Triumphs

[Larry Young]

I should have mentioned that two of the road tests also presented data for the
TR2 in "Speed Trim".  The drag coefficient was reduced about 10%, but the
frontal area was also reduced to 12.15 sq ft, so the overall drag was reduced
a total of 30%.


----- Original Message ----
From: Larry Young
<cartravel at pobox.com>
To: Ken Gano palm top <triumphs at consolidated.net>;
Friends of Triumph <fot at autox.team.net>
Sent: Friday, July 11, 2008 10:55:21
AM
Subject: Re: [Fot] drag co-efficient and frontal area data for selected
Triumphs


The early roadtests of the TR2 and TR3 give some graphs from which
the Cd can be back calculated.  I did this some time ago. Unfortunately, the
numbers were not consistent from road test to road test.  For example, why
could a TR2 with 85hp go 108mph and a TR3 with 100hp go only 100mph.  The
frontal area is 15.5 sq ft.  The drag coefficients ranged from 0.47 to 0.63. 
I believe 0.52 would be a good number.  I can share the spreedsheet if anyone
is interested.
Larry Young


----- Original Message ----
From: Ken Gano palm
top <triumphs at consolidated.net>
To: Friends of Triumph <fot at autox.team.net>
Sent: Wednesday, July 9, 2008 10:30:33 PM
Subject: [Fot] drag co-efficient and
frontal area data for selected Triumphs

I thought this might be of interest.
http://www.mayfco.com/triumph.htm 

Does anyone know where I can find similar
data for a TR3?

Kg
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