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« on: October 08, 2011, 11:12:11 PM »
kushal9999
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I have just completed my F-22
This is my first ever plane........
going to fly it tomorrow.
need any last minute suggestions before flying
i have decided to fly it with 6x4 prop with 1400Kv motor.
going to fly it without paintjob!!!!!!
02032010252.jpg
Suggestions solicited before maiden
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« Last Edit: October 08, 2011, 11:53:31 PM by anwar » Logged
 

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« Reply #1 on: October 09, 2011, 06:05:48 AM »
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Practice, and only Practice will make you perfect
She will be extremely underpowered. Rolling take off could be your best option, is there a rudder, how many servos, is it 5 mm foam or 8 mm foam?  , if it is 8 you might as well, scrap it, 2217/6 2212 2000 kv motor is the min setup for this.
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« Reply #2 on: October 09, 2011, 06:12:11 AM »
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Practice, and only Practice will make you perfect
I saw the servos, those aren't 9 gm servos? Looks more like STD servos to me. What is the weight of you setup, what is the motor pull, should be atleast 1:1, servos aren't fixed properly either, be careful kushal, don't get disheartened if she doesn't fly well, start from scratch, if that happens
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« Reply #3 on: October 09, 2011, 08:24:10 AM »
kushal9999
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i have made sure that servos are tightly attached to my foam..........
i m using 5mm sheet..........
 i m hopeful that it will fly since i gave a test in my hand itself.............i think push created was quite good fot flying!!!!!!
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« Reply #4 on: October 09, 2011, 11:48:03 AM »
kushal9999
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Is vibration of brushless motor common???
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« Reply #5 on: October 09, 2011, 02:09:37 PM »
tatum012
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no brushless motor donot vibrate unless the drum has got misaligned..anyways upload a video of the maiden flight if possible..
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« Reply #6 on: October 09, 2011, 07:28:56 PM »
saurabhhsrivastavaa
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Hi.

I believe the information provided by you is very less to give any opinion. However, if you post the complete setup... along with the all up weight and the thrust of the motor used at that prop, maybe we can help...

All the best.
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« Reply #7 on: October 10, 2011, 12:14:57 PM »
ashJR7202
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what is the weight of the servo....seems bigger servos...i hope those do not weight more than 9gm....
which motor is it??...as gusty sir mentioned... i too think it is under powered.....

this is ur 1st plane....it is definitely not for beginner...

cheers!!
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« Reply #8 on: October 10, 2011, 07:12:58 PM »
kushal9999
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Not taking risk anymore.......
i will right away order a better motor suitable for 6x4 prop......
weight of the plane is slightly less than 1 Kg
suggest any good motor.....
thxs for the advice..........
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« Reply #9 on: October 10, 2011, 07:53:04 PM »
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Practice, and only Practice will make you perfect
since you are at it get 9 gms servos cost only 150 ea and 2212 / 2236 / 2217/6 all available at rcforall.in (Mr Sai). might as well do it right, isn't it ? cheers and happy maiden
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« Reply #10 on: October 10, 2011, 09:55:27 PM »
kushal9999
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Currently i am using Emax 2220/07 motor
i was planning on 6x4 prop which most of the people said that its not a good idea
What if i use 8x6 prop............. it fits in my design and also i may not need to buy another motor!!!!!!!!
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« Reply #11 on: October 11, 2011, 11:35:15 AM »
ashJR7202
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2220/07, is pretty powerful motor!!! but since kv is less u have to use bigger prop say 8"...and that is the problem in jets....will give torque roll and while landing prop will touch ground and may damage motor mount!!!!!!
if you could try using 2200 kV motor!!!
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« Reply #12 on: October 11, 2011, 05:58:57 PM »
kushal9999
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I noticed something..........
my plane experiences torque in one direction when the motor is more than 60% throttle.......
i noticed it when i tried to test it in my hand itself...........
what shd i do??
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« Reply #13 on: October 11, 2011, 06:24:31 PM »
rcpilotacro
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Practice, and only Practice will make you perfect
Kushal you cant hand launch her either, low speed high alpha high rpm torque will be difficult to control if you are a newbie, what the heck? give it a go, Thumbs Up
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« Reply #14 on: October 12, 2011, 05:56:38 PM »
kushal9999
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Bad news guys........
plane got damaged a little.......
reason was my friends hand came between prop by mistake...... Cry
will take 3 days to order new prop and repair those damages!!!!
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« Reply #15 on: October 12, 2011, 06:58:06 PM »
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High spirits we have: gravity we flout.
Is you friend alright ? please be careful with props.
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