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  1. Perfect guys this is a great start

    Perfect guys this is a great start
  2. Great information, reevaluting my tolerances is a...

    Great information, reevaluting my tolerances is a great idea. I can see now how the pencil is not as accurate and can measure metal different;y that wood (using lower tolerances with wood)
    I think...
  3. Tips for centered and symmetrical holes in aluminum

    I am pretty capable have new drill bits, drill and drill press, just wondering if the pros can share their knowledge....Any tips for drilling centered holes and making sure everything is symmetrical...
  4. Haha well I have had good luck with Sears tool,...

    Haha well I have had good luck with Sears tool, no doubt they are lower quality but for the price they work and maybe not as heavy duty as the more expensive brands.

    The link doesnt work because...
  5. Had back luck guys when I was cutting the...

    Had back luck guys when I was cutting the aluminum. I bought a Craftsman router about 4 years ago. Been using it quite a bit but was working fine until I tried to cut the aluminum. I was cutting...
  6. Trev I see what you are saying now with the...

    Trev I see what you are saying now with the router on top of the jig with the bit pointed down. No need to take a picture I see what you are saying...I think that would work well just need to keep...
  7. Gotcha, more than helpful... I have everything to...

    Gotcha, more than helpful... I have everything to do all of that...only concern is the angle of the edge I might need to build an extreme slope for that router jig
  8. OK guys I finished the fin I was working on...

    OK guys I finished the fin I was working on before this thread. I roughed up the knife edge using my 4" grinder and then filed and sanded to smooth. Not too pretty but usable

    I also bent the fin...
  9. You have any pictures of your turn fins?

    You have any pictures of your turn fins?
  10. Gotcha that makes sense, I ripped the aluminum on...

    Gotcha that makes sense, I ripped the aluminum on my table saw going along the grain and the bend will be going across the grain
  11. The bend cannot be a 90 degree, it's a slight...

    The bend cannot be a 90 degree, it's a slight curve or radius...I have to measure exactly how it's bent but I know it's not 90 degree. I will post more pictures later
  12. That's right, so when you look at the fin the...

    That's right, so when you look at the fin the curve should be pretty much parallel with the water line when the boat is at speed. Maybe a little pointed down to keep the sponson on the water
  13. I NEED TO MAKE ONE OF THOSE CARRIERS!!! such a...

    I NEED TO MAKE ONE OF THOSE CARRIERS!!! such a great idea. Any pictures of it?
  14. Thanks for the replies, very useful information...

    Thanks for the replies, very useful information from everyone. Excited to try some new ways

    Here is a picture of the type of boat it is going on, this one I made out of wood
    Lavigne Marine...
  15. Interesting... How do you know it's bent in a...

    Interesting... How do you know it's bent in a press and not rolled?

    How can I make one of these or what is the name of it so I can search for it

    If I torch it and bend it, will the 7075 be the...
  16. Very nice- I guess the right disc on my 4-1/2...

    Very nice- I guess the right disc on my 4-1/2 will work great too
    I say that because I can get a pretty good edge with a black grinding disc, it's just a matter of cleaning it up with the right...
  17. I would file it if it didn't take 3 hours to make...

    I would file it if it didn't take 3 hours to make perfect and kill my arms...
  18. Yes it is a turn fin for an rc boat. You'd be...

    Yes it is a turn fin for an rc boat. You'd be surprised how little people want to share about how they make these.
    The one in the picture is Titanium and one I currently have, but I want to make...
  19. How to put a knife edge on a piece of 7075 aluminum?

    I have a piece of 7075 .100" thick aluminum approx 5" x 3", one end is curved and along the curve I need to have a bevel cut like a knife. I have tried to grind it down with my handheld grinder and...
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