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Frank Skilbeck

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Everything posted by Frank Skilbeck

  1. Frank Skilbeck
    Posted by Eric Bray on 03/01/2011 17:01:46: How long - well, present lipo's are claimed to give/take a thousand charges. So that equates roughly to one thousand days, or 2.7 recurring years if you go (say) 80 miles a day.How much - well - that seems shrouded in mystery! Probably cheaper to get a new car! Wouldn't care to be near one that spontaneously combusts! Edited By Eric Bray on 03/01/2011 17:02:49  Just make sure you don't keep your mobile phone in your pocket in case it spontaneously combusts
  2. Frank Skilbeck
    Posted by tony bennett on 03/01/2011 11:18:57: to build and run an electric car is more poluting and carbon damaging than running a petrol one. have you seen the transport miles that go into making a battery for one of these.   And the technology to discover, produce, transport and refine oil has zero transport miles..............  I work in the oil industry and from what I understand that even if using electricity from a dirty coal fired power station an electric car is still less polluting.  Don't worry though there's lots of oil left, its just not in very accessible places either politically or technically. I remember starting in electric flight 20 odd years ago with Nicd batteries and brushed motors, it was a struggle to stay in the air, I just flew my EDF plane with Lipo's and brushless motor yesterday if the automotive industry move at a similar pace and charging points are provided (you can charge up a lipo now at 5C so less than 15 mins to fully charge if you have enough amps) then the technology will become more widespread. Just look at the take up of electric flight as an example. The early adopters will be the ones that pay a premium of course. 
  3. Frank Skilbeck
    Fantom, I was the only one down our field..............................
  4. Frank Skilbeck
    Me too, I didn't use -100% D and U on the gear to gear mix, but did manage to get both servos to move the same amount
  5. Frank Skilbeck
    On the Futaba 6EXA ypou can mix one surface to another, but there doesn't seem to be a way of connecting that surface to the trim, hence if you were to mix channel 6 to elevator to get dual elevators then the trim only works on one half of the elevator. Or at least that was the case when we tried to program it on a fellow fliers 6EXA. Also on the EXA you I don't think you can mix a channel with itself, so the other control (flap knob or gear switch) remains active, with the Dx6i you can use the 2nd mix to basically isolate the switch. So the Dx6i is slightly ahead of the 6EXA IMHO. Neither are as good as my Cockpit Sx however which has a built in Y lead funtion which allows you to "Y" lead channel 7 to any of the other controls.
  6. Frank Skilbeck
    Does this mean you have the ailerons on a single servo or a Y lead ?
  7. Frank Skilbeck
    Where's the envy smilie ? I have the regular Addiction and looked at the X on PA's web site, it should be a belter. Never mind the build blog, I want to see the flight video, so get cracking
  8. Frank Skilbeck
    Don't shift the c of g back from the plans, just hold in full elevator when taxing
  9. Frank Skilbeck
    Aaron, if you fly heli's then you are well over 50% the way there, but I would go for another faster fixed wing than the easy star first just to get the hang of it, something like a Fantom would be a good first EDF model and fairly reasonable priced also.
  10. Frank Skilbeck
    Ha Chris we were obviously posting at the same time. Great minds think alike but fools seldom differ or something like that.   
  11. Frank Skilbeck
    Steven Go back to plugging elevator servos into Elevator & Gear, use Mix 1 to mix elevator and gear as before and then go to Mix 2 and mix gear to gear, adjust the rate for both the up and down positions to get the servo in the middle, you should then have full travel in both directions and the gear switch will not move the servos. I've just tried this and it works OK.
  12. Frank Skilbeck
    Eric most Warbirds will nose over if you advance the throttle without holding in up elevator, the trick is on the take off roll to ease out the up to stop in lifting off at too low an airspeed. Another skill to learn  And then there's the art of landing without it nosing over..........................  Also if you have the c of g a little forward that will make it slightly worse.
  13. Frank Skilbeck
    Eric I used a wooden 13 x 6 prop on my E Flite Beaver for a while, no problems, the specific electric props being thinner than the IC equivalent may be a few % more efficient thats all. BTW Turnigy do a range of wooden props specifically for electric motors, maybe you could have the best of both worlds
  14. Frank Skilbeck
    Just had a look at the manual and also some videos, I see they've also mixed the canards in to assist the ailerons in the roll, you will not be able to do this without using a 7+ channel Tx (e.g. Dx7 or Dx8). But you could adjust the linkage so the canards are driven off one servo and mixed to elevator only, I don't think they will add much in roll (aileron) anyway. Impressive model, hope you are using an AR6200 rx with satellite as a minimum.
  15. Frank Skilbeck
    Yes I've had my set for two years and for an entry level programmable set its not bad, I've used the mixing facilities on one or two models
  16. Frank Skilbeck
    Phil, sorry the mixing facilities on the Dx6i are better than the equivalent Futaba set and it would be quite easy to plug the second elevator into the gear channel and slave that to elevator with the elevator trim activated. So the steps are - Plug Elevator servos into elevator and gear (I'm assuming you are using dual aileron servos so the aux/flap channel is already used and a YAK 54 doesn't have retracts) - Set the elevator servo up that is plugged into elevator, i.e. direction and travel- Go to the adjust list - Select mix 1- Scroll to master channel, select and then select elevator -  Scroll to slave channel and set gear - Scroll onto the rates and select the down and up travel you need- Scroll to switch and select on, this is always on - Scroll to trim and set this to act (active)  Job done, all explained on page 70 of the manual.  If you do use a Y lead on the elevator I wouldn't recommend using a servo reverser, I saw a fellow fliers plane go it because the reverser failed and sent the servo to full travel.
  17. Frank Skilbeck
    Posted by JayCee on 29/12/2010 23:34:37:   I managed to contact Hobbywing in China regarding the red wire in the throttle plug and got the reply 'The Red Lead is useless'  which I assume is a literal translation meaning it's not connected to anything!     Well maybe not, if an ESC has a BEC it uses this to supply the voltage to the microprocessor on the ESC, it will still do this if you disconnect the red wire providing the ESC has a BEC, if it doesn't have a BEC the power for the microprocessor will be from the reciever power supply.
  18. Frank Skilbeck
    Good luck. don't be afraid of the free mixers on the Dx6I they are pretty good. What Rx are you using?
  19. Frank Skilbeck
    Note the above won't work if you use elevaon mix as the left and right aileron go to aileron and elevator when this mix is activated. I would suggest hooking up your servos as above but don't select elevon mix but use dual aileron instead (this normally gives you flapperons), then in the free mixes mix elevator to flap. The elevator stick will then operate the ailerons together (elevon) and the canards.  The other option would be to select elevon mix and then connect the ailerons to aileron and elevator channel amd then put the canards on the flap channel, you could then mix canard to the elevator in the free mixes (even have the mix on a switch so you can try it with and without the canards operational)  The only problem you might have is that the servo's might not go the correct way when you connect them via a Y lead, not a lot you  can do about that except use a servo reverser (or revering Y lead) but I must admit I wouldn't use one of these on a flying surface.
  20. Frank Skilbeck
    Theres been some good articles in RCME this year which aren't a bad introduction, if you haven't got them and are a subscriber you can access the electronic copies on here. I think the problem of writing a book at the moment is that it would be out of date as soon as its published due to ongoing developments. But if you plan to stick with IC for now then I don't see any reason why you should go away from Nimh technology for your flight pack.
  21. Frank Skilbeck
    Was a bit misty at our strip today  So I stuck to flying my Corsair Foamy
  22. Frank Skilbeck

    Frank Skilbeck posted a gallery image in Member Albums

  23. Frank Skilbeck
    Bob a typical brushed 400 motor had a Kv (rpm per volt) of over 2,000, and you'd use something like a 4.75 x 4.75 prop which would be no good for a vintage model if it wasn't geared down. With brushless outrunner you can get them in a whole range of KV's to suit the application. If you know the weight of the model in question it would be pretty easy to suggest a motor, for a vintage model something with 80 watts per pound (model weight) would be maore thans required. I replaced the 400 direct drive motors on my Twin Star with these way more power than the 400s they replaced
  24. Frank Skilbeck
    Get well soon, well at least before it gets warm enough to go out flying
  25. Frank Skilbeck
    Weston do the Mini Tiger Shark and their web page says they have some other deltas coming soon or Mach Racer from YT
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