Groovy, I have tried to disprove the lessons
learned from a "failure modes and analysis"
class I once took in mechanical enginering
curriculum, its been painful
........
Joe (sarcas) Amo :)
Jim Belford wrote:
> Joe,
>
> I never said I did not believe the valve stem core could depress at
> speed. I said "I don't believe the inner stem will release air at
> speed with the aluminum cap and o-ring." That was the intent of using
> a sealed metal cap. With respect to the pistons and rods: I'm an
> engineer and understand mechanics of materials. I OK with sarcasm.
>
> Jim
>
>
> ----Original Message Follows----
> From: Joe Amo <jkamo@rap.midco.net>
> To: Jim Belford <jimbelford@msn.com>
> CC: gmc6power@earthlink.net, land-speed@autox.team.net
> Subject: Re: Valve Caps
> Date: Tue, 03 Sep 2002 14:20:18 -0600
>
> Jim your valve stems are perpendicular to the rim when
> you look at it, at rest, why dont you spin your
> wheel up to the equivalent rpm to match 169mph,
> perhaps on a dyno, then
> get a strobe light on it, see if your valve stems are still
> straight up an down.....if they are rubber you might be in
> for a surprise
>
> as far as not
> believing they valve stem core depressing at speed, well
> thats your choice.........maybe you believe that pistons
> and rods are always solid, and maintain their shape.........
>
> Joe :)
>
>
>
>
> Jim Belford wrote:
>
>> My valve stems are perpendicular to the rim (straight up or
>> otherwise)and my caps are sealed with an o-ring inside. I don't
>> believe the inner stem will release air at speed with the aluminum
>> cap and o-ring. They have not so far. As I mentioned, the bike is
>> designed to run at speed from the showroom. It is raced at 165 mph
>> down straight a ways on tracks over and over without any problems. I
>> just want to make sure I have complied with all the rules so I don't
>> spend lots of dollars and time and then get out to the flats only to
>> discover I cannot run because something was overlooked.
>>
>>
>
>
>
>
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