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  • Gasser heli's

    Ok I know a gasser engine uses petrol, and produces no smoke, but thats the limit of my knowledge. Are they 2 stroke? Why does almost no one use them in heli's. Do they run a normal 2 stroke fuel or does it have any additives?
    Oliver Crawford - Align 12S T-rex 600e, Align 610 x3, Spartan 760, tail Align 620, Scorpion 4025-630 KV, Bec pro, Castle Creations HV 80A ice.

    Align T-rex 700e, Align 610 x3, 3g, Spartan 760,Align 650, Bec pro, Castle Creations HV 110A.

  • #2
    mainly because they are noisy as hell, heavy and a bit gutless.
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    Your RC Heli World

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    • #3
      I'd say its the expense when they crash for me...

      The right Gasser can 3D but the weight of them means they cannot do all the tricks very well.

      I've had 2 well the same one twice and well... all i can say is they fly nice they are solid and you will know if you bend it...

      Yes the produce less smoke and are 2 strokes and they are easier to take to the field 1 fuel can 1 helicopter and 1 tranny a few have pull starts making them very easy to start and more reliable than glow engines as well.

      Gasser in Action:

      [ame]http://www.youtube.com/watch?v=ZNA_wWl2XxY[/ame]
      Mark
      www.uavaerialservices.co.uk
      BNUCs - Operations certified
      CAA - Permit for Aerial Work

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      • #4
        sounds like someone flying a edge strimmer lol
        Proud member of the Mk Heli Club


        MK HELI CLUB WEB SITE


        Marriage is like playing poker. In the beginning, all you need is two hearts and a diamond. Then at the end all you want is a club and a spade.sigpic

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        • #5
          Use the link for a more professional opinion about gasser

          http://runryder.com/helicopter/f51p1/

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          • #6
            Originally posted by Fixer View Post
            Use the link for a more professional opinion about gasser

            http://runryder.com/helicopter/f51p1/
            AAARRRRRRRRRRRR

            runryder....

            but at least there not dead against them or quick to slate them .....
            Mark
            www.uavaerialservices.co.uk
            BNUCs - Operations certified
            CAA - Permit for Aerial Work

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            • #7
              I prefer the 5.5hp/ 4.5kw of a 3.2kg electric lol.


              Mark.
              Mark.



              Mikado~Kontronik~Scorpion~Revo~V-Stabi

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              • #8
                Depending upon the powerplant they can vibrate a lot too, a friend of mine couldn't keep the exhaust on his gasser X-Cell for more than a couple of flights before it fell off.
                Steve H

                http://www.himbletonRChelicopters.co.uk
                Trex 600N, Trex 700N, now 3G!, Raptor E550 now in fetching Hughes 500E, Trex 250, Trex 500CF, Trex 550E 3G, Beam E4, Outrage 550, Logo 500 3D.

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                • #9
                  Originally posted by SRH990 View Post
                  Depending upon the powerplant they can vibrate a lot too, a friend of mine couldn't keep the exhaust on his gasser X-Cell for more than a couple of flights before it fell off.
                  Depends on engine and if you can get it to run smooth...

                  The Zonah Hanson 23cc modified is probably the smoothest heli engine the 26cc has more power but does not run as smooth
                  Mark
                  www.uavaerialservices.co.uk
                  BNUCs - Operations certified
                  CAA - Permit for Aerial Work

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                  • #10
                    He got tempted by the Zenoah 26cc, I know the 23cc is a smoother engine as a friend of mine particularly wants the 23cc version for his scale Vario Lama, a metal lattice frame and vibes = not a good mix
                    Steve H

                    http://www.himbletonRChelicopters.co.uk
                    Trex 600N, Trex 700N, now 3G!, Raptor E550 now in fetching Hughes 500E, Trex 250, Trex 500CF, Trex 550E 3G, Beam E4, Outrage 550, Logo 500 3D.

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                    • #11
                      the bell 47 to the left is the hirobo gasser
                      quiet and no vibe problems
                      it's a 24cc 2 stroke petrol engine and the same one is fitted in the eagle gs pod and boom heli's
                      Hirobo Turbulence D3
                      a bunch of bls servo's and a 701 gyro
                      Powered by an OS91 hz and a MP2
                      Winner of the LHC Scale Cup 2011

                      1/4 scale Vario Bell 47 G3
                      1/3 scale Vario R22
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                      www.alcesterhelicopterclub.bmfa.org
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                      • #12
                        Originally posted by SRH990 View Post
                        Depending upon the powerplant they can vibrate a lot too, a friend of mine couldn't keep the exhaust on his gasser X-Cell for more than a couple of flights before it fell off.
                        Granted the mufflers can be a problem but if the Hub and Clutch are dialled in correctly when the engine if fitted you won’t have any problems like the muffler falling off.

                        I built a 600 gasser late last year and I’ve flown it all summer without any part failing or dropping off, the best part is the fuel cost and the fact you never need to clean it.
                        Attached Files

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                        • #13
                          Originally posted by SRH990 View Post
                          He got tempted by the Zenoah 26cc, I know the 23cc is a smoother engine as a friend of mine particularly wants the 23cc version for his scale Vario Lama, a metal lattice frame and vibes = not a good mix
                          The Engine used in the Vario is an RC engine like the ones used in RC cars, they are big and heavy.

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