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Old Mar 19, 2006, 03:46 PM
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London, UK
Joined Aug 2005
1,295 Posts
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How to clamp fuel tubes to a Cox .049 engine

I have a Cox black widow .049 engine that is "hidden" inside the shroud of a GP power pod. I have two silicon fuel lines (one for adding fuel and the other for overflow). I have test flown the engine on my Spirit (a blast!)

Problem:
How to I "clamp" the silicon tubes to the the inlet and outlet - it keeps slipping off when I dismantle the shroud. I have tried clamping down with wire twists but works only partially and slips out, especially when fuel is all over the place

Any ideas?
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Old Mar 19, 2006, 04:33 PM
Pickin' an a Flyin'
Wufnu's Avatar
United States, TN, Knoxville
Joined Apr 2004
1,917 Posts
I had that problem with a small brass tube once, what I did was use a file to make a groove that the wire twist ties would get into to prevent them from slipping off. Don't know if that's possible where the engine is, but there you go!
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Old Mar 20, 2006, 05:28 AM
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London, UK
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Good suggestion - let me see if I can do it without damaging the poor little guys mouth and arsehole
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Old Mar 20, 2006, 09:32 PM
ProBro #2375
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Joined Dec 2005
56 Posts
take a small screw driver or awl, place in brass tube & work in a circular motion, pressing against the wall, it will "flange" the tube, or in other words make it a bit bigger, then wire tie clamp, or what I prefer, a small piece of fuel line around the end of the fuel line, about a 1/4" piece, just put it around a set of needle nose pliers, & expand it, slip the fuel line into it & release.
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