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  • #1

    Rubbing fuel tank

    After only two flights my fuel tank has worn away around the rear frame tank mounts by a fair amount and im worried that another two flights and it will have worn through completely! I had sanded the frame edges prior to building but that obviously isnt the fix. Anyone else had this problem and what can i do to stop it?

    cheers Tony
    Avant mostro 700E
    Avant mostro 700 Nitro



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    South cheshire heliaddicts
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  • #2
    Originally posted by tonystevens View Post
    After only two flights my fuel tank has worn away around the rear frame tank mounts by a fair amount and im worried that another two flights and it will have worn through completely! I had sanded the frame edges prior to building but that obviously isnt the fix. Anyone else had this problem and what can i do to stop it?

    cheers Tony
    Convert it to electric E720 lol, i'm sure this will fix it, actually i'm damn sure this will fix it.
    Troll buster
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    • #3
      Originally posted by tonystevens View Post
      what can i do to stop it?

      cheers Tony
      Buy a Goblin.

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      • #4
        lol, yeah thanks for those little gems of advice lads
        Avant mostro 700E
        Avant mostro 700 Nitro



        member of :
        South cheshire heliaddicts

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        • #5
          could you not slice some fuel tube down the side and slip it over the edge as like a kind of edging strip??
          Some say my left nipple is the shape of a Raptor canopy.......... And that for fun I chase sheep in wellies 3 sizes too big. All I know is I am ​3D Clod
          Very proud to be a Presenter on ROTORS! The RC Helicopter show


          Very proud to be a 2x EGS winner

          Collector of SAB Goblins

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          • #6
            Originally posted by KevDavies View Post
            could you not slice some fuel tube down the side and slip it over the edge as like a kind of edging strip??
            Dont think it woud stay put Kev because of where it is, worth a shot though . Ive got some ideas of what i could do but theres usually someone out there with a genius fix like Tim and Ross just provided lol
            Last edited by tonystevens; 21-01-2013, 11:02 PM.
            Avant mostro 700E
            Avant mostro 700 Nitro



            member of :
            South cheshire heliaddicts

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            • #7
              Thanks for the heads up Tony! I better check mine. To be fair I am running the new engine so has no hard flights yet.
              But I see if I can find a solution, if there is a problem!



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              • #8
                Originally posted by panosg View Post
                Thanks for the heads up Tony! I better check mine. To be fair I am running the new engine so has no hard flights yet.
                But I see if I can find a solution, if there is a problem!
                It was suggested before i built it to sand the frames around the grommets but it needs a better solution really.
                Last edited by tonystevens; 21-01-2013, 11:10 PM.
                Avant mostro 700E
                Avant mostro 700 Nitro



                member of :
                South cheshire heliaddicts

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                • #9
                  how about synergy or avant type tank rubbers
                  Santander Factory Team

                  Proud wearer of 5 x EGS

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                  • #10
                    So is it vibration based Tony or pressure in the tank or a combination of both
                    Humble owner of 7 Eddie Gold Stars and Ex - member of Mk Heli Club
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                    • #11
                      Originally posted by waveydavey View Post
                      So is it vibration based Tony or pressure in the tank or a combination of both
                      Id say both Dave, Theres no obvious vibes other than the norm with a nitro but im reluctant to wedge something inbetween the tank and the frames incase it transfers vibes and foams the fuel, thats what the grommets are there for afterall.
                      Last edited by tonystevens; 21-01-2013, 11:09 PM.
                      Avant mostro 700E
                      Avant mostro 700 Nitro



                      member of :
                      South cheshire heliaddicts

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                      • #12
                        Originally posted by GIXERMAN View Post
                        how about synergy or avant type tank rubbers
                        Not a bad shout, the avant rubbers are quite deep and would have more chance of staying put
                        Avant mostro 700E
                        Avant mostro 700 Nitro



                        member of :
                        South cheshire heliaddicts

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                        • #13
                          I've got a load of this stuff:

                          3337ada313eac1ea4d5d560b9d92145e.jpg

                          I think it's made from nylon and will go around quite tight radiuses - just cut it to length and it grips onto the carbon frame with the smooth face towards the tank.

                          I bought a load of it from someone off this forum (apologies - can't remember who), and I'm not sure where you'd buy it new.

                          If you measure around the tank hole in the frame with a bit of string or something and double it for two sides, let me know how much you need and stick a bit in the post.
                          JR Vibe Fifty fb (YS56)

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                          • #14
                            Mine is doing the same. I think the tank is slightly over size, maybe a poor moulding.
                            Cheers,
                            Simon
                            --------------------------------------------
                            Trex 700N & E
                            Futaba 18mz and some planks !!

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                            • #15
                              So you can see where im talking about
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                              Avant mostro 700E
                              Avant mostro 700 Nitro



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