qquake2k
Captain Low-N-Slow
- Joined
- Jan 26, 2010
- Messages
- 13,574
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- 65
That is a _great_ idea and I _will_ be making one of those.
Here's a TTW fin slot cutting alignment jig I made from 1/4" MDF and scrap wood, just glued together with Titebond. The white hooks are the screw type wall hangers. The side blocks were glued in place with a 2.56" body tube in between. This has been used with up to 4" tubing on a laser-guided compound miter saw. Rubber bands hold the tube in place.
This has been used with up to 4" tubing on a laser-guided compound miter saw.
Sorry too dig an old topic up but what length are good? I've a fin that's 12''
It isn't clear to me from the description, but it looks like there is a spacer between the two pieces of dimensional lumber that needs to the the same thickness as the fin being aligned. Am I misreading the pictures?
I made one of these jigs. check out about 3:20 in this video.
Tony
That's pretty neat! Do you have to use a specific fin thickness or with this work for any material?
FYI - I would think it best to NOT put the three (or four) bolts together in a straight line (see Pyropetepete's pictures) as that can make the jig begin to rotate on the axis of the bolts. Shouldn't matter for fin alignment, but will wallow out the bolt holes that have been drilled in the main pieces.
Here's mine. I made it from scrap melamine board. This stuff is great for fixtures and jigs since it is really flat and generally stays that way. I originally made it so that there was able 8" between the tips of the V. Then I realized that the straps wouldn't be able to hold the tube against the jig. After I cut it down I realized the right thing to do would have been to cut slots into the legs of the V so that the straps could hold anything from BT5 and up.
Oh well, it'll work fine. I might go back and dado the slots into the jig later on.
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