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Synergy N5- HELP OneWay Bearing

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  • #46
    Synergy N5- HELP OneWay Bearing

    I also know someone else who has had it fail twice, the 2nd time never made it into a hover even

    Will speak to Climb Out tomorrow about it and maybe mail Matt Botos

    We were both running NHP 95's but that is the only common factor. Failures appear the same in all 3 cases
    Nick

    Henseleit TDR 2011 VBar 5.2, Avant Aurora, 700N BeastX, 500 BeastX

    Member of Byley MFC & South Cheshire HeliAddicts (www.southcheshire.rcheliaddict.co.uk)

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    • #47
      Watched Nick's N5 go in today, that tail shaft definitely bent in flight. Nick managed to dump it in long corn and definitely didn't happen during the crash
      Member of Byley Model Flying Club

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      • #48
        Guys,

        You talk about tail failures, just to clarify are you saying the tail shaft bending is the cause of the failure?

        Is this an issue due to running 95mm tail blades, as opposed to the max that Matt talks of as being 92mm?

        David

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        • #49
          Originally posted by v58fuy View Post
          Guys,

          You talk about tail failures, just to clarify are you saying the tail shaft bending is the cause of the failure?

          Is this an issue due to running 95mm tail blades, as opposed to the max that Matt talks of as being 92mm?

          David
          Good point, althuogh he did say he would adjust the manual to allow them. Maybe this was the problem?
          Member of Byley Model Flying Club

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          • #50
            I'm starting to feel glad I went with the manual and not general opinion now but I'm not convinced 6mm over all is enough to cause a bent shaft in flight unless things are seriously out of balance...
            Phil
            "Be who you are and say what you think...
            Because those that matter...don't mind...
            And those that mind... don't matter"


            Blade 130x, Park Zone Mini Sukhoi, EDF F16 thingy, some Gliders and some broken stuff

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            • #51
              Originally posted by Smoothound View Post
              I'm starting to feel glad I went with the manual and not general opinion now but I'm not convinced 6mm over all is enough to cause a bent shaft in flight unless things are seriously out of balance...
              I would of agreed Phil but Nick's was flying so smooth today. Then, BLAM! The tail never contacted when it went in and there is at least a 20 degree bend in the shaft. was really interested in the N5 as an option for a high end .50 but round these neck of the woods it is the 3rd occurence of this. Maybe it is just the northwest
              Member of Byley Model Flying Club

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              • #52
                Synergy N5- HELP OneWay Bearing

                Something is causing the tail to lock in flight, which results in a lot of damage

                At this point I haven't a clue as to cause, could be any number of things

                - Weak tail shafts
                - Poor fit of flanged tail shaft bearings
                - Unable to take the stiffness of Nhp 95mm tail blades
                - Weak plastic yokes
                - Weak yoke pins

                Damage today was skids, 620mm razors plus most of tail box

                Not a good start for a quality Heli
                Nick

                Henseleit TDR 2011 VBar 5.2, Avant Aurora, 700N BeastX, 500 BeastX

                Member of Byley MFC & South Cheshire HeliAddicts (www.southcheshire.rcheliaddict.co.uk)

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                • #53
                  Synergy N5- HELP OneWay Bearing

                  In all 3 cases the boom has been forcibly pulled in and twisted

                  Difficult to ascertain cause as missing 1 plastic yoke and pin and only a fraction of the other one remaining.

                  In the air sounded like a major gear strip so hit throttle hold quickly but unfortunately came down nose first breaking skids and a blade. Tom will back me up that at no time did the tail hit the ground. Boom is straight, all that tail damage occurred in the air!
                  Nick

                  Henseleit TDR 2011 VBar 5.2, Avant Aurora, 700N BeastX, 500 BeastX

                  Member of Byley MFC & South Cheshire HeliAddicts (www.southcheshire.rcheliaddict.co.uk)

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                  • #54
                    Originally posted by synergyn9 View Post
                    Something is causing the tail to lock in flight, which results in a lot of damage

                    At this point I haven't a clue as to cause, could be any number of things

                    - Weak tail shafts
                    - Poor fit of flanged tail shaft bearings
                    - Unable to take the stiffness of Nhp 95mm tail blades
                    - Weak plastic yokes
                    - Weak yoke pins

                    Damage today was skids, 620mm razors plus most of tail box

                    Not a good start for a quality Heli

                    where is align when you need them
                    Gaui x7 lush
                    Gobbalin 500
                    Trex700 new dfc n OS 105/vbar love it
                    ALL ON SPEKKY GEAR
                    Blade 130x2
                    nano

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                    • #55
                      Synergy N5- HELP OneWay Bearing

                      Originally posted by rapidgaz View Post
                      [/COLOR]
                      where is align when you need them
                      My 600 is sat here staring at me, tempted to strip the gear out of the N5 and get the 600 back in the air. At least I'd get some flying done
                      Nick

                      Henseleit TDR 2011 VBar 5.2, Avant Aurora, 700N BeastX, 500 BeastX

                      Member of Byley MFC & South Cheshire HeliAddicts (www.southcheshire.rcheliaddict.co.uk)

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                      • #56
                        Originally posted by synergyn9 View Post
                        My 600 is sat here staring at me, tempted to strip the gear out of the N5 and get the 600 back in the air. At least I'd get some flying done
                        dont mean to be an ass, but there seem to be a lot of probs at the mo, hope you sought it soon
                        Gaui x7 lush
                        Gobbalin 500
                        Trex700 new dfc n OS 105/vbar love it
                        ALL ON SPEKKY GEAR
                        Blade 130x2
                        nano

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                        • #57
                          To be fair, all the top end manufacturers have issues once a model makes it into the public. How quick they sort it is what matters. Hopefully this will get sorted soon as the N5 looks good on paper
                          Member of Byley Model Flying Club

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                          • #58
                            Originally posted by Tom Burgess View Post
                            To be fair, all the top end manufacturers have issues once a model makes it into the public. How quick they sort it is what matters. Hopefully this will get sorted soon as the N5 looks good on paper
                            I'm kind of glad mines not airborne yet

                            I'm sure if there is an issue it will get sorted promptly but like most of Joe Public when there is an issue due to manufacture it rarely covers the cost of all the other bits that get taken out when it goes in. I'd like to say I'm happy to repair my helis due to dumb thumbs but that is a lie I'm less than happy to be footing the bill when it's not my fault and a £6 part fails and costs me £100 plus

                            I know I'm dragging up old crap here but I had an ESC fail a few years back and getting the distributor to accept that was hard work and only succeeded when I came on here and ranted(I'm sure that won't happen here though ) Even once the distributor had accepted and offered to replace the offending article I still had £150+ servos to replace that had been killed by the ESC going AWOL

                            I'm sure lots of people on here do all this stuff on a limited budget and things like this do hurt us

                            Think mine might stay on the deck for a bit longer
                            Phil
                            "Be who you are and say what you think...
                            Because those that matter...don't mind...
                            And those that mind... don't matter"


                            Blade 130x, Park Zone Mini Sukhoi, EDF F16 thingy, some Gliders and some broken stuff

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                            • #59
                              Originally posted by Smoothound View Post
                              I'm kind of glad mines not airborne yet

                              I'm sure if there is an issue it will get sorted promptly but like most of Joe Public when there is an issue due to manufacture it rarely covers the cost of all the other bits that get taken out when it goes in. I'd like to say I'm happy to repair my helis due to dumb thumbs but that is a lie I'm less than happy to be footing the bill when it's not my fault and a £6 part fails and costs me £100 plus

                              I know I'm dragging up old crap here but I had an ESC fail a few years back and getting the distributor to accept that was hard work and only succeeded when I came on here and ranted(I'm sure that won't happen here though ) Even once the distributor had accepted and offered to replace the offending article I still had £150+ servos to replace that had been killed by the ESC going AWOL

                              I'm sure lots of people on here do all this stuff on a limited budget and things like this do hurt us

                              Think mine might stay on the deck for a bit longer
                              I had this conversation today Phil. IMO if a £6 part fails, it is the duty of the disty to compensate for the resulting damage caused to running gear not distributed by that particular disty.

                              I have had failures in the past on what I consider to be top end heli's and each time I have been contacted by the disty before approaching them about the failure! I also know of other's who have had similar experiences.

                              As far as I am concerned, the distributor of any brand of heli is the direct "fall guy" so to speak, and they should be prepeared to "foot the bill" in the case of a failure. I believe this approach ends in a disty actually believeing in a product, not just trying to make a quick buck

                              I am sure climb-out will come through for anyone who is unfortunate enough to have a failur elike this
                              Member of Byley Model Flying Club

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                              • #60
                                Synergy N5- HELP OneWay Bearing

                                Just been told of another North West tail failure today, also running NHP's

                                This could just be a big coincidence
                                Last edited by synergyn9; 27-06-2010, 06:50 PM.
                                Nick

                                Henseleit TDR 2011 VBar 5.2, Avant Aurora, 700N BeastX, 500 BeastX

                                Member of Byley MFC & South Cheshire HeliAddicts (www.southcheshire.rcheliaddict.co.uk)

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