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Thread: planing angle
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30th March 2020, 12:11 PM #1
planing angle
hi, I am about to flatten a glued up board of old jarrah.
got a 5 and a 5 1/2.
Should I plane diagonally across the board with the plane going straight or plane straight across the board with the plane scewed?
or a bit of both?
i am asuming the longert plane is better. i also have a 4 if that would be better.
Craig____________________________
Craig
Saving a tree from woodchippng is like peeing in the pool;
you get a warm feeling for a while but nobody notices.
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31st March 2020, 08:40 AM #2
The approach I'd take depends on how rough the boards are & how much the joint edges are out of alignment - i.e., how much wood you think is going to have to come off. If the boards were fairly straight & not too rough, and the panel hasn't twisted itself in the glue-up, I'd just start with one of the jacks & plane along the grain, trying to observe the grain direction & not tear it up too much. I keep a #5 with a modest camber on its blade for just such scenarios.
If there is a substantial amount to come off to level the surface, I would plane diagonally across the high spots with a scrub plane. If you haven't got a scrub, it's easy enough to modify an old smoother. Just about any old #4 can be modified by setting the frog back as far as possible & putting a good camber on its blade. That'll tear off a lot of wood quickly. With the high spots.
Once your surface is reasonably level, either by the scrub/jack combination or the jack alone, proceed to the next step. This is where I like to use my 5 1/2. This should have either a straight blade, or just the hint of a camber (I'm a non-camber devotee for this stage, but at least half the planing population put camber on all of their planes), to get the surface flat enough for a smoother to finish.
That's one approach, other mileages will vary.
Cheers,
PS: whatever you do, you're in for a decent workout and a few re-sharpens if the panels are of any size....IW
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31st March 2020, 01:08 PM #3
thanks Ian,
i havnt made a scrubbing plane yet but did put a slight angle on a blade and it sort of did a similar job.
I just went at it at all angles, luckily there wasnt bad cupping and its only 400 by 500 so its looking pretty good now,
I need to have a go at the camber for my next job I think.
and yes, was a good workout. I did a bit of left handed too, just to balance things out.____________________________
Craig
Saving a tree from woodchippng is like peeing in the pool;
you get a warm feeling for a while but nobody notices.
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