Gentlemen,
  I have read many postings concerning these clamps but never once
seen where anyone has "beaded" the tube ends for hose retention. Do
these clamps eliminate this requirement or is beading the tube just a
"given" and not discussed?
  Also, if you guys are beading the tubes what are you using to do
it, factory built (expensive) beaders or a real homebuilt beader?
Thanks,
Randy

Yes you do need to bead. No the clamps do nothing if the tube
is not beaded.

I think I mentioned that in
http://www.rotaryeng.net/how-to-cool12.html

Everybody please read the web site. Earl's supply sells
the tube beading device.

Paul Lamar ...No rotor no motor.

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