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Model Forum / Radio Controlled / Helicopters / September 2003Sceadu belt problems
My Sceadu 50 keeps getting a loose belt! Oo, er missus, no really, it does, it does. 'Ere, no, look, don't mess about... I tighten it up but after a good hard flight its as loose as a whores draws. The prbolme is that the tail gear assy. keeps migrating a few mm along the boom towards the pod, thus loosening the belt. I pull it back again but its no good. I have now puuled the boom out of the pob a few mm and reset everything. Is this a known problem? Is it due to manufaccturing tolerances or is it something wrong? David leave the tail assy hard up against the boom, towards the pod,, then it cant move forward again now can it!! then adjust the belt with the pod end of the boom... BOBOBOBOBOB > My Sceadu 50 keeps getting a loose belt! Oo, er missus, no really, it does, > it does. 'Ere, no, look, don't mess about... [quoted text clipped - 10 lines] > > David Bob, thats what I hve done, for the reasons you suggest. 'Ere, I aint fick you know! I really raised it as an isue in case someone would come bck and say "oh, yes, the old 'sceadu tail problem'..." Thanx anyway. Davidavidavidavidavid > leave the tail assy hard up against the boom, towards the pod,, then it cant > move forward again now can it!! [quoted text clipped - 20 lines] > > > > David well how is the tail assy migrating along the boom?? BOBOBOBOBOB > Bob, thats what I hve done, for the reasons you suggest. 'Ere, I aint fick > you know! [quoted text clipped - 33 lines] > > > > > > David Bob, it WAS migrating. Wht had happened is that the belt had been tensioned by pulling the tail asy. away from the pod and securing the nuts / bolts and screws. However, under load the whole thibg was moving back to the pod end and thus slackenin the belt. I have now put the tail assy where it belongs, hard against the boom end and re-tightened the belt by moving the tail boom out of the pod slightly. Now under load nothing should move! I am a tad surprised that the boom is held in place soley (sp? )by compression and not by any form of throuh bolts. Anyway, come the morrow I shal test fly (read: have a darned good time in the sun) and see if all is well!! David righto,,, i was wondering how it was migrating forward,, it must have been nuilt incorrectly in the first place ey?? yeh the friction of the main frames is certainly enough to hold it,, once its done up tight ,, thats it,, i replaced the std bolts with some decent hex cap head bolts and nylok nuts,, to be sure to be sure... happy flying,,, BOBOBOBOBOBOB > Bob, it WAS migrating. Wht had happened is that the belt had been tensioned > by pulling the tail asy. away from the pod and securing the nuts / bolts and [quoted text clipped - 12 lines] > > David |
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