Speed Rail Frames - Mountain Buzz
 



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Old 07-08-2013   #1
 
BryanS.'s Avatar
 
Prineville, Oregon
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Just built a speed rail frame using 1.25" i.d. aluminum tubing. Are these set screws gonna be enough to hold the frame together when I strap it to the tubes. I countersank the screws on the outside corners and used locktite, but not sure that'll be enough.

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Old 07-08-2013   #2
 
San Francisco, California
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I would recommend lopro with some sort of pin mechanism for the corners. In big waters, your frame will twist and eventually fall apart. I would also drill 2 straight holes on one side of the tube that serves as a foot bar, and install a snap pin. Those set screws will not hold the pressure from your feet.
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Old 07-08-2013   #3
 
East of the Pine beatle, Colorado
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Also- The set screws need to be worked in. Tighten them, then back them out a 1/2 turn, tighten again, loosen..... Do it a few times to set the screws into a seat in the tubing.
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Old 07-08-2013   #4
 
Calgary, Alberta
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I used the same fittings as you and just drilled holes for pins like these...

http://best-b2b.com/userimg/896/903-...ck-pin-761.jpg

I just drilled the holes by hand through the side. Works great, no rotation... no need for lopros.

I'll post pics when I get home.
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Old 07-08-2013   #5
 
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Kalispell, Montana
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Cheapest place to buy them is in a 20-pack from Harbor Freight.
20 Piece PTO Pin Assortment

Yeah, I know, Chinese junk....but I doubt you'll find them anywhere not made overseas.
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Old 07-08-2013   #6
 
Southeast, On the river...
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Who has the best price on the speed rail fittings now?
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Old 07-08-2013   #7
 
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Prineville, Oregon
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Quote:
Originally Posted by MT4Runner
Cheapest place to buy them is in a 20-pack from Harbor Freight.
20 Piece PTO Pin Assortment

Yeah, I know, Chinese junk....but I doubt you'll find them anywhere not made overseas.
That is cheap. Paid $4 a piece at Bi-Mart. Not sure about the cheapest place to get speedrail fittings but McMaster-Carr has them for a reasonable price.
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Old 07-08-2013   #8
 
BryanS.'s Avatar
 
Prineville, Oregon
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Quote:
Originally Posted by Osseous
Also- The set screws need to be worked in. Tighten them, then back them out a 1/2 turn, tighten again, loosen..... Do it a few times to set the screws into a seat in the tubing.
I drilled hole through the tube so the set screw screws into the tube. Just added pins for additional strength. Also ran the pin up form underneath the frame so when the frame is strapped down there'll be no way it can wiggle out. Now with the pin and the set screw, it should be good to go.

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Old 07-08-2013   #9
 
San Francisco, California
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Quote:
Originally Posted by BryanS. View Post
Also ran the pin up form underneath the frame so when the frame is strapped down there'll be no way it can wiggle out.

Attachment 6597
I don't think that is a good idea. The pin head will drill a hole through your tube. You should drill a hole horizontally to the tube.

And make sure to do the same on the foot bar. You will just need on one side to prevent twisting. Or you can drill another hole at a differ t angle to have two foot at position for different rowers (wife, kids).
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Old 07-08-2013   #10
 
BryanS.'s Avatar
 
Prineville, Oregon
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Quote:
Originally Posted by verendus

I don't think that is a good idea. The pin head will drill a hole through your tube. You should drill a hole horizontally to the tube.

And make sure to do the same on the foot bar. You will just need on one side to prevent twisting. Or you can drill another hole at a differ t angle to have two foot at position for different rowers (wife, kids).
Damn, you're right. Looks like I'm gonna have some custom drainholes. Good idea for adjustable foot bar.
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