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I'm back and need help on my Dragonfly # 36

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I'm back and need help on my Dragonfly # 36

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Old 10-04-2005, 06:52 PM
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dinuka
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Default I'm back and need help on my Dragonfly # 36

Ya school started so i did not have any time any way I bought a whole new set of servos for my heli I tracked the blades and think did a good job I put a couple of pics in the end and it was taked while it was spning.But I still having problem taking it off it still rools to the roght and i put a little weight on the left and still wont work .(Rools means it goes a little bit above the ground while rooling left so it only gets to go up about an inch.and by the way even to make it go that high it should be full throttled) So please can someoe Help!! or tell me some one that could adjust it for me doesnt matter how much it costs I live in Hyannis MA, Zip 02601.
thanks

Old 10-04-2005, 07:01 PM
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aurora799
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Default RE: I'm back and need help on my Dragonfly # 36

You may need to adjust your pitch.

Does your motor slow down as you try to take off? If so, you probably have too much pitch.

Otherwise try increasing your pitch a bit.

Also, are you using a good charger (not the one it came with)? If the Batts are not charged properly that could cause your problem.
Old 10-04-2005, 07:11 PM
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dinuka
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Default RE: I'm back and need help on my Dragonfly # 36

Well I'm not really sure about the pitch settings so I left it in the middle and yes I am using the Charger that came with it and I am kinda not sure weather the battry is good eaither coz onec i charged it for about an hour and it was all wet and very hotne ways I will try increasing the pitch is i increase the pitch is it a good idea to fly it indoors?
Old 10-04-2005, 08:04 PM
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movinout
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Default RE: I'm back and need help on my Dragonfly # 36

Hi!

I've got a #36 stock and from my limited experience on it and about 20 hrs on another electric - a few things come to mind:

1) Are you flying indoors? The rotor wash coming up the walls and back down the rotors again
could push the heli down and keep it from lifting off - try flying in a very large room or outdoors
without any wind and large obstructions.

2) Try cycling the battery. Run the heli until the motor quits a couple of times to fully discharge.
Then charge up until the battery is just skin warm (not hot!). Do this about 4-5 times to condition
the battery. The 5th or 6th flight should have plenty of power.

3) A good charger will do the above (step 2) for you faster and better.

My stock #36 (brushed motor, 650mah batt, charger, etc.) can hover for about 5 min at eye level.

Old 10-04-2005, 09:09 PM
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dinuka
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Default RE: I'm back and need help on my Dragonfly # 36

Thanks guys I'll try em and
Old 10-05-2005, 03:42 AM
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sparkling_fist
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Default RE: I'm back and need help on my Dragonfly # 36

best advice..
get brushless motor

get align 420 (3200kv) with a good esc
thats what im getting
the motor is so cute yet powerful
Old 10-05-2005, 04:29 AM
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cptsnoopy
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Default RE: I'm back and need help on my Dragonfly # 36

if your batt got hot you will need to test it and see if it can still be used. Your doing better than I did, I did not watch my battery close enough and it started smoking and melting...

I went to the hobby store and got the more dangerous Lipoly batts but I also got a good triton charger. using the included wall charger is asking for a fire... unfortunately the new battery and charger costs the same as the helicopter...
Old 10-05-2005, 10:59 AM
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Tiger27
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Default RE: I'm back and need help on my Dragonfly # 36

I know what you mean Cptsnoopy, I got a decent charger (Swallow advanced) and will need a good lipo soon, but the chargers are really worth it, no more hot batteries and its also revitalised my mobile phone battery so its starting to pay for itself.
The chargers and lipo that come with the kit are the worst thing about mine so far, the nimh charger is trully bad it overheats the battery in no time and the lipo charger is designed for a li ion which means it never charges the lipo correctly, as for cycling the battery make sure you dont do that with the lipo unless you want some serious fireworks.

My brushless is about a day away I cant wait, as Ive tweaked mine so that it will fly with the stock, it just doesnt have the grunt needed.

Its worth getting a pitch gauge as well, as using this has helped mine a lot.

dinuka make sure the screws that hold the push bars and servos are not to tight and then get your pitch and throttle curves right, you may need to use the 8 switch on the back so that the two knobs work, you use these and the pitch gauge until you get the pitch changing smoothly while maintaining good head speed and you will see a huge improvement if your getting overheating servos it means something is having to work to hard, mine was like yours out of the box, full power to get up an inch or two. Also balance and track the blades and flybar, here are some links that I have found handy and they can explain all this a lot better than me as Im a begginer at this as well.

http://www.helihobby.com/html/balancing_blades.html

http://www.dream-models.com/eco/Blade_balancing.html

http://www.trextuning.com/

Good luck!

Old 10-05-2005, 05:29 PM
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thecheatscalc
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Default RE: I'm back and need help on my Dragonfly # 36

yes please get the 420LF... I can hover at 3/5 stick now, used to never get off the ground.
Old 10-05-2005, 09:23 PM
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dinuka
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Default RE: I'm back and need help on my Dragonfly # 36

How about this ? http://cgi.ebay.com/ws/eBayISAPI.dll...0%3D%26fvi%3D1
Old 10-06-2005, 11:13 AM
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thecheatscalc
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Default RE: I'm back and need help on my Dragonfly # 36

looks fine to me, but I'd suggest getting a brand with a good reputation, that doesn't have a name so I'm guessing that it's probably walkera with all tags removed and a heat sink on the motor to cover it up, you want a programmable ESC so look at grandrc and their align motors as well as the align 25A ESC
Old 10-06-2005, 01:54 PM
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dinuka
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Default RE: I'm back and need help on my Dragonfly # 36

What are the advantsges of a Progamable ESC is the one I bought a Programble? also if the ESC is 30A will a Batty 11.1V 1800ma or 1600ma work?
Old 10-07-2005, 10:23 AM
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thecheatscalc
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Default RE: I'm back and need help on my Dragonfly # 36

mAh doesn't matter, that's just flight time (2200mAh usually gets 20min +/- per charge) the C rating does matter however. optimal is 10C, though 9 and 8 will work, just not for aggressive flying. mine is programmable, I know this because it has sound when i turn it on. , using beeps to notify heli/plane, brake (should be off) and the speed of AC current.

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