[AMRadio] Mobile Base for Heavy Iron

Mark Foltarz Foltarz at rocketmail.com
Thu Apr 13 09:26:20 EDT 2006

Now that is a ggod idea.
The appearance is a lot cleaner than the caster farm under this sort of gear
and one I am looking at about 5 feet from me.
Thanks for the tip!


--- Robert Nickels <w9ran at oneradio.net> wrote:

> I'm really pleased with the mobile base I built for my 20V-2 and wanted 
> to pass along the information to others.   I really wanted to be able to 
> move the transmitter around, but didn't want to raise it off the floor 
> any more than necessary for stability reasons.  The answer came when I 
> found a seller of ball transfers on eBay at a very good price. These 
> have a 1" carbon steel ball rolling on 80 internal 1/8" dia. balls  and 
> are rated for 75 pounds each - -  
> http://www.hudsonbearings.com/SBT-1.html    I went with 20 for a total 
> capacity of 1500 pounds.   The ball transfers have 3/4" long studs on 
> the back so all I had to do is drill holes and screw them into a piece 
> of 3/4" plywood with a pipewrench.   It only took an hour and a half to 
> make.
> If you want to be able to move heavy stuff, this is the only way to go, 
> and also the cheapest, with the ball transfers going for a buck 
> apiece.   Search for eBay seller
> katamay62 and let him know how many you want, he'll set up a Buy It Now 
> for you.  He has lots of 'em.
> Here are some pictures of the final result, once I paint the plywood 
> black it will be hard to even tell it's there
> http://photobucket.com/albums/v652/ranickel/Mobile%20Base%20for%2020V-2/
> This only raises the transmitter by 2 1/4" and leaves the steel base 
> accessible and the transmitter supported just as Collins intended, only 
> this "floor" moves!   Should be adaptable to any big rig.
> 73, Bob W9RAN
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