Giving some thought to the drive train losses for "salt"...which I haven't
thought about before...because doing standard, math, speed calculations, and
using my time slips as a comparison, I don't see much if any difference in
the numbers...between Maxton and Bonneville. Tire slippage is a different
story.
John Beckett
-----Original Message-----
From: Ronald_B_Anderson@notes.seagate.com
<Ronald_B_Anderson@notes.seagate.com>
To: land-speed@autox.team.net <land-speed@autox.team.net>
Date: Wednesday, January 12, 2000 7:36 PM
Subject: Re: Drivetrain losses
>Skip-
>
>Roughly, on asphalt, from flywheel HP, 15% loss manual transmission, 20%
loss
> automatic transmission, add another
>
>10% to either for salt.
>
> --- Ron USFRA
>
>
>
>
>
>This may not help much since I'm running a FWD Honda and most folks are RWD
>but I figure about a 10% drivetrain loss on the dyno (rubber on steel) and
>maybe 15% on the Maxton concrete. This lines up pretty well with some other
>independent info I have-but who knows?
> Tim Schoeny
> ECTA#90
>
>Skip Higginbotham wrote:
>
>> Hi Team,
>> Over the past few weeks the subject of "how much HP" to go "how fast" has
>> received much attention and Mayf's chart report is an excellent vehicle
to
>> get to the required horsepower....at the rear wheels on the ground. Thank
>> you Mayf you have really helped me.
>> If I have misinterpreted the charts......please somebody correct me!
>>
>> Now how about sharing some ideas and opinions (data?) on how much Hp is
>> lost between the crankshaft flange and the ground at, say Bonneville with
>> dry salt (more of less) and at El Mirage on a good day and asphalt (as a
>> reference).
>>
>> I think that the loss is 65% total at B-ville, 75% at El Mirage and
40-45%
>> on asphalt.
>> Any takers?
>>
>> Skip Higginbotham, Bastrop, Tx (where it is now 80 degrees) at 5:43 PMCST
>> Air conditioning in January??????
>
>
>
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