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Dave Y

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  1. Dave Y
    Dave Y joined the community
  2. Dave Y
    1. Mode 12. South (Dorset)3. South (Dorset) 4. Instructor (he flies mode 1)
  3. Dave Y
    Well we did the maiden this morning, this motor is great!   Flew it first with the 4S pack and a 12x6 prop (the LMS is sold out of 13x6 atm) - WOT was almost like a 40 glow engine with this plane, amazing.  The battery is still on charge so yet to see how much power was used to work out flight times.   Because the plane is so light we then tried it with a 3S pack (12x6 prop) and it flew with what seemed like slightly less power than a 25 glow, still plenty enough to beat this plane around.   Got a watt meter over christmas so here are a few figures, I havent done the 4S pack figures yet so will post those soon.  Still waiting for the recommended 13x6 prop.   Battery: 3S 2300mah Prop:  12x6 Amps:    25A Watts:   290w Volts:   11v Prop:    13x8 Amps:    35A Watts:   380w Volts:   10.6v  Oh we took some video too so will post that once it's edited!  Edited By Dave Y on 02/01/2010 14:35:09
  4. Dave Y
    Well I have all the bits now   Old Powertrain (Enya 25) :     New Powertrain : EMAX BL2826/06 4S 5000 20c Lipo Hobbywing 60A ESC   The subject of the conversion! : It will be a tight fit I think! :     I hope to get the bits installed in the next few days and maiden when the weather is right, will post the results!  
  5. Dave Y

    Dave Y posted a gallery image in Member Albums

  6. Dave Y

    Dave Y posted a gallery image in Member Albums

  7. Dave Y

    Dave Y posted a gallery image in Member Albums

  8. Dave Y

    Dave Y posted a gallery image in Member Albums

  9. Dave Y
    Ack my mistake on the calculations, not sure why I put 5 in there!   Thanks for the replies, I think I will email Giantcod and find the specs of the batterys.  I don't think the Limbo Dancer will mind a little extra weight!
  10. Dave Y
    Hi All, I'm still looking at electrifying my Limbo Dancer, just waiting for Giantcod to get some stock in.  I have chosen the motor (Epower Motor) and am trying to figure out the most suitable battery.  The following are rough calculations using Timbos formulas in the Sticky: Battery 1: 4S 5000mah 20C Lipo 5.0A * 20 = 100A Max Discharge Max draw from motor using 4S = 45A Flight time: 5.0A / 45A = 0.11 0.11 * 60 = 6.67 minutes flight time at 45A Battery 2: 4S 3000mah 30C Lipo 3.0A * 30 = 90A Max Discharge Mas draw from motor using 4S = 45A Flight time: 5.0A / 45A = 0.08 0.08 * 60 = 5.14 minutes flight time at 45A Again these are rough numbers - the motor wont be run at 45A constantly for real! Both lipos are the same price on Giantcod and i'm struggling to see the situation in which you would use the 3000mah 30C battery over the 5000mah 20c battery.  Although it has a lower C rating the 5000mah battery gives a higher theoretical draw and longer flight time. Am I missing something here, or is the 5000mah 20C battery a better choice for me with this setup?
  11. Dave Y
    Swift
  12. Dave Y
    I'm guessing the motor will run hotter if I use 3S and prop up? It's hard to know which way to go. If I go 4S maybe this motor will do Giantcod 50A - 600W on 4S (again cheaper than the eflite).   Is battery cost the only disadvantage of 4S in this case?
  13. Dave Y
    Hmm maybe something like this?BRC 1    Or this for a bit more power?BRC 2   I guess with the power 32 I could use 3S for the moment and move to 4S for more performance later on. That would just mean changing the prop and battery?   Would this be powerfull enough?Giantcod   Bit cheaper than the eflite motors!Edited By Dave Y on 26/10/2009 11:11:04 Edited By Phil Wood - Moderator on 26/10/2009 12:55:16
  14. Dave Y
    Hey all,   I'm considering an electric conversion of my Limbo Dancer - currently use an Enya 25 to train with.   Has anyone done an electric conversion of one of these?   Can anyone recommened a motor? (pref Giantcod!)   I'm wondering if I can get away with using a 3S pack or would I have to move to 4S?   I'm not looking for amazing performance - just the equivalent of my 25, maybe a bit more, would be fine for now.
  15. Dave Y
    Brilliant, thanks, don't know why I didn't see those while I was searching ebay!!
  16. Dave Y
    Hi All,   I have been looking all over for a 1/8 or 1/9 ready painted WW1 British pilot but cant find one anywhere!   Maybe I'm looking in the wrong places, does anyone know somewhere that sells them?   My Camel needs a pilot!
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