[TowerTalk] XM240 Mast Clamp

Grant Saviers grants2 at pacbell.net
Mon Feb 6 06:51:20 PST 2012


Try the DX Engineering Saddle Clamps as they have a lot of contact area 
with the mast with the cast aluminum saddle.  The 2" size comes in two 
bolt diameters, obviously the 3/8" u-bolt can handle more tightening torque.

http://www.dxengineering.com/Products.asp?ID=14&SecID=1&DeptID=33

We used three for boom plate to mast clamping of two 40m Moxons, so far 
so good w/o any pinning.

Grant KZ1W

On 2/6/2012 6:37 AM, Charles Lind wrote:
> I have a Cushcraft XM240 at 90 feet which, despite double lock nutting and
> Locktight, rotates on its own several degrees in high winds.  The first
> time it did this the beam descended about a foot on the mast.  Cushcraft
> has no advice.  Does anyone know of  a boom to mast clamp assembly that is
> more secure than the original???  Tnx for any advice.
> 73, Chuck, N8CL
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