On Sat, Apr 3, 2010 at 4:30 PM, David Beierl <dbeierl@attglobal.net> wrote:
> At 03:02 PM 4/3/2010, neil n wrote:
>>
>> "shear".
>
> Shear is exactly what scissors and shears do -- exert opposing sideways
> forces. �Three basic strengths of a (solid) material are tensile,
> compressive and shear. �When you twist the head off a stuck bolt it has
> failed "in shear."

Thanks David.

I think I "see" better how a VC works.

Entered "viscous coupling" in youtube. Hoped to find a video of a VC
being bench tested. Instead found 2 short Syncro VC "test" videos.

Possibly interesting to those who want to see it "in action".

http://www.youtube.com/watch?v=zMqOebMnZKo

http://www.youtube.com/watch?v=Zzo8HZOoYAA&feature=related

Neil.

-- 
Neil Nicholson '81 VanaJetta 2.0 "Jaco"

http://tubaneil.googlepages.com/

http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines