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Model Forum / Radio Controlled / Air Models / July 2006Another Newbie FAQ
Bought a Bell 47 Twister from Addlestone £119.99, got it hovering inside and out then got cocky and clipped a few rotors (better than buliding for 6 months and £2000 later to find you cannot fly r/c's or get bored easily). Bought another a day or two later so can use the first one for practice (canibalisation later) and so can race/hover with the boys with sofas back when wife goes to bed). The Boys could almost still fly the wobbly one with broken rotors and missing flybar - whilst I hovered around the new one. Bought correct sets of upper and lower rotors from same shop. Then, my newer Heli just span without even taxi'ing whilst the wobbly one could move forward, aft, left, right and almost hover despite missing 40% of rotor mass and fly bar with a poorly balanced battery. So, tried adjusting gain pots etc on Newer Heli but no good, so then removed good inner shaft from newer Heli together with new rotors and installed on older wobbly Heli as an experiment. Guess what? Older Heli that could almost fly crippled now just spun just as the newer one had before (on the same ceramic non-friction floor). Even on full power, neither craft could lift an inch yet both would spin and hardly react to yaw control-nor to forward/back/left/right etc again. So is it the "correct" replacement part changes to blame, or am I just mad? Help please before I spend more on small tools etc and buy a Turbine to crash! Mark. > Bought a Bell 47 Twister from Addlestone £119.99, got it hovering inside > and out then got cocky and clipped a few rotors (better than buliding for [quoted text clipped - 28 lines] > > Mark. YOu should really leave the pots alone. if the whole craft is spinning then one set of rotors is not keeping up with the other. I put the adjustments back best you can. Then watch the supplied dvd and learn how to use set up the trim. If they are really spinning that badly then you really screwed up the speed controller. Without throttling up see that the lower set of rotors respond to the right hand control stick. On the left control make sure the trim is centred. >> Bought a Bell 47 Twister from Addlestone £119.99, > the trim. If they are really spinning that badly then you really screwed > up the speed controller. Without throttling up see that the lower set of > rotors respond to the right hand control stick. On the left control make > sure the trim is centred. Didn't touch the pots until problem happened - the book said try the pots, yes the swash plates move etc - I think the new rotors are to blame >>> Bought a Bell 47 Twister from Addlestone £119.99, > [quoted text clipped - 5 lines] > Didn't touch the pots until problem happened - the book said try the pots, > yes the swash plates move etc - I think the new rotors are to blame If the whole craft is spinning then one set is spinning faster than the other. If they are undamaged perhaps they are too tight or something. If it costs £2000 and takes you six months to get an R/c heli in the air you have taken some SERIOUSLY BAD advice! Nice new Rappy, few hundred quid, shake the box onbto the kitchen table and it's ready to go. Someone once told me, and it proved to be true (but with the earlier generation of leccy indoor choppers) that they'll "cost the same, fly half as well and take twice the skill" as a decent glow powered 50. Hosses for cosses. David David/Ian, I was actually trying to sound non-arrogant about time/cost/experience as I'm a Newbie in here. I do read destruction manuals and fly before I twidle with factory set potentiometers etc. I could have said that by trade I'm an Electronics - Vsat Satellite Engineer Bsc Hons. with a Group A PPL Fixed Wing Land/Sea with money to burn on toys but with experience with NG's/USENET courtesy (sorry for top posting :-)) but shite experience with models. (Ian please read my OP again - I covered most of it there) So I thought I'd ask for advice here gently rather than blowing my non-relavent whistle. My best pal/sons Godfather will be building the big projects http://www.jeremykingfx.com/contact.php as he has a million hours on tiny/big thing for film/tv with explovsive thingys too. Thanks for the kind words and welcome so far folks. Mark > If it costs £2000 and takes you six months to get an R/c heli in the air > you have taken some SERIOUSLY BAD advice! [quoted text clipped - 9 lines] > > David Mark, I hope I didn't give you the impression that I was being derogatory about what you're up to. I wasn't. But the comparison between teeny weeny leccy helis and glow powered ones is, IMHO, limited to this : I want to fly it in the house. I think the best leccy indoor choppers are the newer generation of contra-rotating ones, whereas the glow ones these days are brilliant. If your desire is to fly helis, per se, then go Rappy but if it is to fly round the house then contra rotor. Mind you, if you have money to burn on toys and you just want to try 'em...well go for it and have fun!!! ;o)))) Wonder where you got your SEP (S) rating ? jack Brown's still goijng strong??? It's a pity we can't do much of that over here. D > David/Ian, > [quoted text clipped - 32 lines] >> >> David David, no offence taken, in fact I was responding in that manner as I'm used to other ng's assuming that newbies are twats which puts such posters off from posting again, where in fact the main reason for looking at a ng is to ask and learn about a particular subject. After a week in here I can actually say that this is a very good group that seems (so far) not to flame one-off toy buyers as we all seem to have a common interest. I too want to fly but not build (as I will f*ck it up) small or bigger aircraft from my arm chair as well as whizzing half operational £100 toys around the garden with my mates whilst the BBQ is warming up and the wives ae tossing salads and talking babies! My mate is a special effects/model maker who has just been told (by me) that he has to build the big 46" (not for beginners) Rocket whilst I fire off my toy Esteses Rocket kits. He actually wants to put servors on the fins so he can steer it! Pictures to follow. BTW, exagaertated about the Seaplane rating whilst ranting (pissed).Got two hours in a Lake Buccaneer? thingy in Florida. But I do have 280 hours on fixed wing PA28-161/FA180/150's etc. Happy Flying Mark > Mark, > I hope I didn't give you the impression that I was being derogatory about [quoted text clipped - 49 lines] >>> >>> David servo's not servors nee cetainly not servers! far too heavy Hmmm, servos on the fins of a rocket...be careful, the US or Israel might just blow you up! Welcome here anyway! David > servo's not servors nee cetainly not servers! far too heavy |
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