On May 3, 11:09*pm, mm wrote:
On Fri, 2 May 2008 11:12:29 -0700 (PDT), DerbyDad03

wrote:

Another key application for nylock nuts is that they can be left
slightly loose for those instances where you want to allow for
movement such as at pivot points. You can obtain a snug fit so things
aren't flopping around, but you can still move the parts.

All steering assemblies and some brake assemblies on official All
American Soap Box Derby cars use nylock nuts for this very purpose. In
fact, by rule, the steering assemblies require *two* nylock nuts on
the same bolt. Talk about overkill!

Nothing is too safe for our kiddies. *They should require 3!



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Nothing is too safe for our kiddies. They should require 3!

Right, and then put an 8 YO in a plastic car going up to 30 MPH with a
3 x 3 rubber pad that drags on the road as a brake.

Trust me, 2, 3, or even 6 nylon nuts on the steering assembly kingpin
will not make the car any safer since that part of the car has never,
ever been the cause of an accident.