On 07/31/05 03:20 pm K8RI on Tower talk tossed the following ingredients
into the ever-growing pot of cybersoup:
>>So what would you call a *taper* roller bearing? -- it supports loads in
>>two planes.
> A wheel bearing?
>
> The original thread is on a gimbaled bearing meant to take side loads, not
> vertical. The gimbal allows for a change in shaft angle such as in landing
> gear of other parts subject to extreme flexing. Much smaller versions are
> used in the control linkage to light aircraft control surfaces. They are
> also in the ends of the throttle, mixture, and prop controls.
>
> A block of hard wood soaked in a low viscosity oil, cut in two, bolted back
> together and then drilled for the mast size will make a bearing that will
> last longer than most hams. However the mast surface should be smooth where
> it fits in the bearing or it'll act like sand paper. (The oil soaking comes
> *after* the fabrication. <:-)) )
So you think that it's a waste of money to spend $100 each for one or
more of the bearings that AN Wireless sells?
http://www.anwireless.com/bearing.html
Alan NV8A
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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