[TowerTalk] New to Group, WTB M2 OR2800PX and Rohn TB4 Thrust
Clay Autery
KY5G at montac.com
Thu Sep 21 07:36:38 EDT 2017
Curious why folks don't talk about the AlphaSpid RAK and BIG RAK
more.... These seem to be the answer to torque, braking, and mast
clamping...
______________________
Clay Autery, KY5G
(318) 518-1389
On 9/21/2017 12:25 AM, Jim Thomson wrote:
> Date: Wed, 20 Sep 2017 17:52:20 -0700
> From: David Needham <k8aja73 at gmail.com>
> To: K7LXC at aol.com
> Cc: towertalk at contesting.com
> Subject: Re: [TowerTalk] TowerTalk Digest, Vol 177, Issue 43
>
> <Talking to the M2 Factory Tech Support today, apparently the DC motor,
> <splined drive shaft and improved mast clamps came at the same time.
>
> ## I have both the DC version...and the AC version. They both have the splined shaft,
> and both have the same, lousy mast clamp.
>
> ## The original rotor was called an ORION OR-2300. It used a keyed shaft, and an AC motor,
> and a lousy mast clamp.
>
> ## When M2 bought out the rights to the OR-2300, they improved it with the new splined shaft,
> and higher torque, 2800 vs 2300 in lbs. M2s version of the mast clamp was an improvement
> over the original Orion OR-2300.
>
> ## M2 made ONE change later on, and switched from an AC motor to a DC motor. The square
> control boxes look identical, except one outputs dc instead of ac. No point and shoot. Back then,
> you could only buy both the rotor and box at the same time. Now you can buy the rotor separate
> from the box.
>
> ## The K7NV mast clamp for the OR-2800 rotor is a real treat, but it only works for one diameter.
> He can build them for any diameter you want. The K7LXC version is for 2 inch OD only.
>
> ## The oem M2 mast clamp is less than desirable, even though it looks heavy duty, and will work on
> any mast from 1.9 inch OD up to 3.0 inch OD.
>
> ## The OR-2800, with DC motor, GH control box, and a real mast clamp is serious $$$.
>
> Jim VE7RF
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