[Public-List] Mast Beam Variation

[Lawrence Morris]

It is not the epoxy that fails it is the wood that fails inevitably.

Larry


On Jul 16, 2008, at 6:49 AM, Jeffrey wrote:

> Larry,
>
> I would bet (in my opinion) that a lamination done properly with a
> good modern adhesive would last a very long time.
>
> T-88 by System Three would be a good product to use:
> http://www.systemthree.com/p_t_88.asp
>
> It is designed as an adhesive. It's even FAA certified..people build
> airplanes with the stuff.  I don't think our mast beams are subjected
> to all that much stress.
>
> -jeff
>
> On Tue, Jul 15, 2008 at 10:17 PM, Lawrence Morris <morris.lc at verizon.net 
> > wrote:
>> How about sandwiching the AL plate in side the beam  if you are  
>> going to
>> remove it.  Relaminating is just setting your self up for a future  
>> failure.
>> It is a weak design.  The AL plate is a permanent fix.   Sometimes  
>> they go
>> slowly sometimes suddenly
>>
>> Larry
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