With silicone lubes like Son of a Gun some lube always remains on
the motor. You're just allowed to blot off the excess.
This discussion is largely rhetorical in any case. Cutting off the O-
rings just doesn't happen very often in real world situations. It's
probably been debated on the internet many more times than it has
occurred at contests.
--- In Indoor_Construction_at_yahoogroups.com, dgbj@... wrote:
>
> "How do you remove o-rings from a motor?"
>
> I tried a Lark's Head knot. I found that a well lubed motor would
slip out
> of the O-ring. It took some care to keep the O-ring on the motor
while
> handling, until it was under tension.
>
> To tie a Lark's Head, slip a loop of the motor through the O-ring
then pull
> the other end of the motor through the loop. You can also put the
loop
> through the ring and pull it around to the other side of the ring,
harder to
> visualize until you have seen it.
>
> I am not sure what effect a Lark's Head knot will have on the
breaking point
> of the rubber. It may add to the local stresses.
>
> I was surprised to hear that wiping the lube off before weighing
was
> allowed, because the rule is quite clear that the lube is included
in the weight.
> But if dirt gets on the motor, it makes sense to wipe it off. I
would think
> that to comply with the rules, the motor could be washed and
relubed for
> weighing. Or weigh it before it has a chance to get dirty.
>
> Gary Hinze
>
>
>
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Received on Mon Mar 26 2007 - 15:06:22 CEST