Towertalk
[Top] [All Lists]

Re: [TowerTalk] New to Group, WTB M2 OR2800PX and Rohn TB4 Thrust

To: towertalk@contesting.com
Subject: Re: [TowerTalk] New to Group, WTB M2 OR2800PX and Rohn TB4 Thrust
From: Clay Autery <KY5G@montac.com>
Date: Thu, 21 Sep 2017 06:36:38 -0500
List-post: <mailto:towertalk@contesting.com>
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@gmail.com>
> To: K7LXC@aol.com
> Cc: towertalk@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  
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk

_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
<Prev in Thread] Current Thread [Next in Thread>