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02-23-2010 04:03 PM #1
Channel Master 0.9 meter dish; what H-H to use
I picked up a Channel Master SMC 0.9 meter dish a while back and am finally getting around to playing with it. It has the altaz mount. The mount (tube) is 60mm. From web surfing, it look like the polar mount is no longer made, so I guess I have to get a H-H, but the biggest diameter H-H tube I've found is 50mm.
Is there some elegant solution to using this dish with a H-H other than using what looks like big pipe clamps. I can see that kind of setup wiggling loose.
02-23-2010 04:31 PM #2
Sadoun sells the DG380 motor with a 55mm tube.
The DG280 can be had with 55mm or 42mm tube.
HH Motors STAB, DigiPower, Moteck, SatControl, Sadoun DisEqC
One way people attach a small motor to a large dish, is to get some plastic pipe, and split it lengthwise.
This acts as a shim, if needed.
Hopefully, the larger tube above, will solve your problem entirely.
02-23-2010 07:29 PM #3
The DG380 Is a good piece but it is not a real heavy duty motor.
The Channel Master is a heavy dish and the DG380 may have problems turning it. The DG380 originally was intended for a 1.2 meter dish but they had some problems turning them so they dropped the weight limit, and at one point they dropped the recommended dish size down to 1 meter.
A StabHH120 is SLOW when turning, but a StabHH120 should turn this dish with ease. Mounting this dish on the HH120 should not be a problem. Check it out and see.
02-23-2010 08:07 PM #4
Using a STAB HH100 on my CM 90cm with stock mount....works great!
02-23-2010 08:17 PM #5SatelliteGuys Regular
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Here is something I missed the first time around when I went to the Sadoun website:
STAB AN01 Ring Adapters
Hopefully links are allowed. If not, the link goes to the AN01 rings that fit the 54mm shaft and take it up to 78mm. Now that is too big for me, but perhaps there are rings that take the 42mm shaft up to 60mm.
Another thing I had rattling around my mind was to go to a muffler shop and have them make me a sleeve with ID at 55mm. It might be enough to get the alt/az from the Channel Master clamp to fit. Cars are so good these days that muffler shops have dumbed down a bit over the years, but I could probably track one down that deals with classic cars. My recollection is these shops used to be geniuses with bending and "stretching" tubes.
So trying to track down a polar mount is a waste of time?
02-23-2010 08:48 PM #6