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[OM] Re: [OT] Plastic repairs

Subject: [OM] Re: [OT] Plastic repairs
From: "Piers Hemy" <piers@xxxxxxxx>
Date: Wed, 5 Dec 2007 15:45:41 -0000
It's a bit hard to advise absent some idea of what the case and fixture look
like, Chuck - maybe you could find someone with a digital camera .... ;-)

As to the T-32, you need to think laterally.  5 triggered sequentially in a
loop should be OK, with some persistence of vision helping.  Maybe you could
rig up a trigger on the flywheel, as well as a dynamo to provide the power. 

--
Piers
            

-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
Of Chuck Norcutt
Sent: 05 December 2007 15:28
To: Olympus mail list
Subject: [OM] [OT] Plastic repairs

Seeking the list wisdom on repair of a broken, hard plastic item.

Yesterday my snowblower's plastic headlight casing finally gave up the
ghost.  After 12 years of vibration the mounting boss on the bottom of the
case finally cracked all the way through its attachment point at the bottom
of the case and the headlight assembly fell off to be left dangling by its
electrical cord.  The resulting hole is relatively rectangular and
approximately 30x40mm with the walls of the case about 2mm thick.

The question is; what should I use to glue it back together. 
Cyanoacrylate glue seems not the right thing to me since, although the
pieces fit back together fairly well, there are small gaps around the
periphery that I don't think will be bridged well by a "super glue".

I considered epoxy which will bridge the gaps but epoxy strikes me as
brittle and I suspect the bond or the epoxy might fail from vibration faster
than the original plastic case material.

The only other glue I have on hand is a tube of JH's favorite contact
cement, Walther's "Goo".  Perhaps that or "Gorilla Glue" (which I have never
used) might be a bit flexible and stand up to the vibration.  The break has
edges which are tapered inward so the mounting boss fits back in place quite
well and will easily stand up to clamping back in place.

Any and all advice appreciated.

ps:  I briefly considered mounting all 5 T-32's on the handlebar but I don't
think I can see fast enough to keep up.

Dr. Flash




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