Glue for cracked rib? ( Terry ????? )

[Farrell]

The few times I've done this repair I have used cold hide glue. I figure 
there is still hide glue on the glue surfaces, so more hide glue would 
likely stick the best. It has good gap filling properties and is easy to 
use. I really don't see what would be better. Adhesives such as epoxy and 
others are only as good as your surface preparation - and there will be next 
to none with this repair.

Terry Farrell

----- Original Message ----- 
> Thanks, Terry.
>     I just made some of these. But the question
> remains: what glue? Bolduc? Epoxy? CA? I'm tempted to
> try ultra-thin CA, simply because it is the least
> viscous, and should wick into the rib crack well.
> First I plan to blast out the crack in the rib with
> brake part cleaner and one of those pipette tubes that
> comes with it,  as these is some residue in the rib
> crack from stripping the board ( with straight acetone
> ) that went through the soundboard cracks to below.
> Then I'lll roll the piano on its tail so that the ribs
> are horizontal, and glue dripped on the crack from the
> side will fill it well. Then I'll put in the wire type
> clamp, and waita  few days. Question: I don't have any
> CA accelerator, and none is sold in thios town. What
> else might help it cure ?
>      If the wire doesn't want to come out, I'll try
> heating it slightly. Heat softens cured CA>
>     An alternative ( that I've used to get glue into
> tight spaces ) would to be to squeeze an exacto knife
> blade into the rib crack, after drilling a tiny pilot
> hole from above, poutting the drill bit back in to
> make sure that the blade stops it, then drillinga
> slighly larger hole ( like 1/8" ) from the board side,
> and fliinig it with glue. With the blade still in
> place, or with the intitial, smaller bit stuck in the
> back half of the hole, glue can then be squeezed (
> witha  hypo ) into the 1/8" hole, and the 1/8" bit
> turned around and used as a piston to force it into
> the joiunt. This works very well to get glue into
> tight spaces.
>     What would you do?
>     Thump
>
> --- Farrell <mfarrel2 at tampabay.rr.com> wrote:
>
>> I have found using little boat clamps to be very
>> useful for jobs like you describe:
>>
>>
>>
>> Plenty strong to pull anything together.
>>
>>
>>
>> Terry Farrell
>>
>>
>> ----- Original Message ----- 
>>
>> > I'm going to use a "piano wire tgrough the rib"
>> type
>> > clamp. Of course, I'll "dry run" it, first, too
>> see if
>> > it's strong enough to oull it back together.
>> >     G
>>
>
>
>
>
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