How to clamp fuel tubes to a Cox .049 engine - RC Groups
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Mar 19, 2006, 04:46 PM
Registered User

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!)

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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Mar 19, 2006, 05:33 PM
Pickin' an a Flyin'
Wufnu's Avatar
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!
Mar 20, 2006, 06:28 AM
Registered User
Good suggestion - let me see if I can do it without damaging the poor little guys mouth and arsehole
Mar 20, 2006, 10:32 PM
ProBro #2375
sb17joker's Avatar
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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