Plane challenge 2020 - 2021. Bushmiller

[Cklett]

I am not sure how I feel about tossing down my achievement which took months down the stairs....

If I would have known that's how it's being judged I would have built a plane instead of a plane [emoji16]

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[Bushmiller]

Judging this is going to be very tricky - I think I'll suggest we use the old exam-paper technique, the one where you chuck the pile down the stairs & those that land on the bottom step get an "A", the next step gets a "B" & so on. Come to think of it, that will be a good test of build-quality, too!

Cheers,

Sounds like that could be a "Law of Escalating Returns."

Regards
Paul

[Picko]

Interesting Paul - Selleys call it a polyurethane in their manufacturer's blurb, but their SDS (separate site) says it's an isocyanate. Cyanates are certainly not nice chemicals, so yeah, wear gloves in future, Paul!

Why did you choose that - was it for the claimed "wood to anything" bond and gap-filling? It seems like a useful glue for erstwhile toolmakers to have on hand if it can make a really strong wood to metal bond - have you tried glueing some brass or steel to a bit of wood & busting them apart? And what's its shelf life??

Questions, questions....

Cheers,

I used it in my plane build to hold the brass and cast iron together while I drilled and rivetted it because I could see a world of trouble trying to hold it with clamps. It worked a treat.
I use it to glue copper to wood for copper inlays in turned bowls because it's the only thing I've found that will take the heat generated when I'm trimming the copper to size after gluing. Even epoxy lets go with heat.

[Bushmiller]

Picko

I think I saw in Selleys' blurb that it will withstand heat up to 140° C. I used the glue again today to join two sheets of ply face to face for a small shelf. I was careful with the application and I wore some black nitrile gloves: Not going to make that mistake again. Not when there are plenty of other mistakes to be made.

Regards
Paul