Simon UK
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Everything posted by Simon UK
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Mal thanks very much, i was considering adding a nut each side of the prop. And what you have said makes total sense now i look at it. Cheers pal
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Ok Timbo bellow is a picture of the current battery i was planning to use. I can go maybe 1cm more in length and that it (or it will stick out the top of the Fuzz which i don't want. How does the GC battery compare? Hamish, i basically just packed out the non-threaded part of the shaft with washers, until i was able to get the prop tight enough that it won't spin on the shaft.
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Argh! ok Timbo you win, i will buy myself a 2 cell battery. I will stick with the 7x6 props that i have (bought 6) and drop to 2 cells. Now to source a 2 cell that will fit in the front of the plane. Thanks for all the help fella's safe flying!
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Yes Frank 600 grams of plane with 170w of power should go kinda well i hope
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Hi Adrian Thanks for that, switched it around after Timbo mentioned it earlier. Lipo readings where taken with it correct way round. Cheers Simon
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Just as i suspected! Many thanks Bruce for clearing that up for me
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Hi Guys I have a quick question for the knowledgeable amongst you. I bought the below Lipo as a RX battery for a Nitro powered plane. I have since decided against using it in the plane (for various reasons), my question is this. Could I replace the connectors with Deans and use the battery as a 2 cell Lipo flight pack? Or as I sadly suspect is the wiring to thin on the leads to carry the current? Lastly whilst I am on a roll (lol - I know these are probably stupid questions) Could I (as there appears to be two sets of power leads) splice the two reds and two blacks to one female Deans (to help it carry more current). I realise these maybe the questions of an idiot but I would rather you tell me than I burn my house down :P Cheers Simon Edited By Simuk on 11/11/2009 21:05:44
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Ok guys thanks for the help, i will try to aquire a 7x4 and a 6x5 and see what difference they make. Failing that i will go to 2 cells.
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Umm i think the prop is on the correct way round, the plane try's to take off from my hands if that helps. New reading on 3/4 throtle with lipo connected (good news is after adding a nut as a spacer, i am able to tighten the prop completely. Got to 3/4 throtle with no hicups ok, problem now is am i gonna fry my motor at full throttle? Edited By Simuk on 11/11/2009 18:19:48
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a couple of pictures Watts Reading on 8.4v nimh not fully charged
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I will sort out some pics shortly TImbo
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Thanks for the info Rob i will program the esc now. Timbo would you have any suggestions as to how i get the system to run within the Amps rating of the motor? I really do not want to see the Magic Smoke! I do have the problem of only being able to fit upto 7 inch props though. As to the prop being loose, i will call into the LHS tomorrow and see if i can get a prop adapter for the motor.
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Thanks guys I do have a Watts Up is this of use? , Getting my head around all these numbers is hard im afraid but I am trying. I did go with the Apc 7x6- E's I did this as some guys on the Hobby King website had said they where getting good results from these. My prop problem is it's a pusher and I can't go any larger than 7" as it will hit the fuzz. As the motor only being rated to 16A, I was totally unaware of this Timbo. As I am on a tight budget I went with Hobby King as they are really well priced sadly the instructions and other data goes out the Window. When I did connect the Watts Up to the set-up I noticed the first reading (top left) was going as high as 19A, I take it I am over stressing the motor then Guys? As to fitting the prop Timbo I just used the small adapters (made of the same stuff as the props themselves) a washer and nylon threaded lock nut that came with the motor. The prop doesn’t get really tight with this set-up though. Thanks for your help guys. And RW I am totally hooked on the hobby already and will be staying with it till my grave (hopefully not for a few decades yet - god willing). Edited By Simuk on 11/11/2009 16:33:46
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Hi Guys This is my first post, and any help would be greatly appreciated. I am relatively new to the hobby and have just completed my first electric refit. I bought an Artech Wing Dragon (4 channel) a few months ago and quite quickly have become bored with its low power. After a fair amount of research I ordered a Brushless outrunner, an ESC, and a Lipo. Today I just finished soldering all the required connections; I used Deans (clones) on the battery and ESC ends and 3.5mm Bullet connectors for the motor to ESC. I installed the motor on a hardwood mount that I made and connected everything up. Firstly I ran the set-up with the 8 cell Ni-MH 1000mah that came with the Wing Dragon. Everything seemed to perform flawlessly. Then I tried connecting the Lipo, this is where the problems kicked in. up to about 50% Throttle the motor behaves normally, from 50% onwards it gets very erratic. It gains RPM then Loses RPM and this fluctuates on and off. I have no idea what the problem could be so any help would be as I have said above Greatly Appreciated. Motor is a Tower Pro 2408-21T-3A ESC is a Hobby King Hk-30A ESCBattery is a Rhino 1350mah 25C 3 cell I have noticed that the propeller is quite loose on the shaft, is there any sort of adapter I can get to make it tighten? Many thanks Simon Edited By Simuk on 11/11/2009 16:02:42 Edited By Simuk on 11/11/2009 16:03:20
