Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
Subject:Re: Rolling Friction of a Vanagon (not a tire thread)!
From:John Rodgers
Date:Mon, 1 Jun 2009 04:30:04 -0500

Robert,

Sometimes ya just gotta play!

John

Robert Fisher wrote:
> I think this is John's inner child posting, not his inner aircraft mechanic.
> :)
>
> Cya,
> Robert
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> mark drillock
> Sent: Sunday, May 31, 2009 9:12 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Rolling Friction of a Vanagon (not a tire thread)!
>
> Are you planning to factor in added clutch and tranny wear or just only
> look at fuel economy while ignoring other costs from various behaviors?
>
> Mark
>
>
>
> John Rodgers wrote:
>
>> I have a favorite spot along a certain road, and I like to see just how
>> much push momentum will give my 88 GL from a certain hill and at a
>> certain speed in certain configurations when I crest that hill. I
>> disengage the engine and just let the ol' 88 GL roll to see how far it
>> will go.
>>
>> My question is: Which scenario below will offer the least resistance or
>> friction to oppose momentum.
>>
>> Given:
>>
>> Scenario #1: At speed, the clutch is depressed, the transmission is
>> placed in neutral, then  the clutch pedal is released and remains there
>> until roll out is complete
>>
>> Or;
>>
>> Scenario #2: At speed,  the engine is disengaged from the tranny by
>> simply pushing in the clutch and holding it there until my roll-out is
>> completed.
>>
>> Anyone ever looked at this difference?
>>
>> Thanks,
>>
>> Regards,
>>
>> John Rodgers
>> 88 GL Driver
>>
>>
>
>
>