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Rochester FI

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  • Member since
    February, 2017
  • From: Lincoln Park, Michigan
Rochester FI
Posted by Starting_over on Monday, February 20, 2017 6:03 PM

Hey guys I've got a question for all who can answer it for me. Who has scratch built a Rochester FI? Specifically the ribbed rubber tubing leading from it to the metal tubing and canister. What have you guys used? And even some advice on the metal tubing and canister. I've been racking my brain and keep drawing a blank. Lol. Any help would be appreciated 

"Live to paint Paint to live"

  • Member since
    December, 2016
  • From: Pasco, Wa
Posted by ScottH454 on Monday, February 20, 2017 7:56 PM

Well after googleing how much rib length you need I see it isn't much. I still haven't tried this, but have it on my to do list for making radiator hoses. Plan would be to wrap smaller diameter wire in a coil(ribbed) around a larger diameter wire. Then you might get away with thick paint or thick super glue to smooth out the edges an then paint a flat black. I want to see how well heat shrink tubing will shrink over it. The tight ribs you need might not show with heat shrink method. As for the metal tubing part that should be a matter of buying evergreen tubes in the right diameters.

  • Member since
    December, 2003
  • From: Nova Scotia
Posted by Bainford on Monday, February 20, 2017 10:11 PM

A piece of bendy straw might work if you can find one in the right diameter.

Power matters in the straights.
Lightness matters everywhere. - Colin Chapman

Trevor

  • Member since
    August, 2015
  • From: Hamptonville, NC
Posted by TarheelRick on Tuesday, February 21, 2017 3:30 AM

"I want to see how well heat shrink tubing will shrink over it. The tight ribs you need might not show with heat shrink method."  I tried this method.  I wrapped some wire around a piece of aluminum tubing and put the heatshrink over it.  I heated it until the ribs showed very well, then when cool i pulled the wire out and slipped the hose off the tube.  Looks really convincing, biggest issue is trying to get a smooth bend, it really tends to kink; and it is q bit stiff to work with.   I also tried it by leaving the wire in and it still wanted to kink.  This process is good but has limited uses, straight hoses or those with a very loose bend.

I build models because I can't afford the real thing!

rit
  • Member since
    May, 2008
Posted by rit on Tuesday, February 21, 2017 8:45 AM
Why does it have to be hallow? Small bent pieces of tube on the injection can be made from solid rod wound with small gage wire then use shrink wrap over the piece leave a little over hang on each end and it will look hallow. The rod will keep its shape. Just an idea to try.
  • Member since
    February, 2017
  • From: Lincoln Park, Michigan
Posted by Starting_over on Wednesday, February 22, 2017 7:39 AM

Guys thanx for all the great advice. The shrink tube idea sounds like a plan to me. Luckily the piece I need to made is just a small straight piece so linking shouldn't be an issue. As soon as I figure out how to post pics on here I'll show my work. Thanx again!

"Live to paint Paint to live"

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