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New Tricopter Build

Started by Ashta, October 29, 2010, 11:48:10 AM

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rajathv8


Ashta

only wires and no connectros
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rajathv8


anam_funny

Yes.. and the speed controls... kindly put them upside down. the heat sink is not getting enough air (it is on the side where there is no sticker). so that will eventually result in energy loss and decreased efficiency...

iamahuman

"Chuck Norris once overcharged a lipo. Thank him for the Sun."

SSC LCG Slash 4x4.
JQ THE eCar.

anam_funny

Just sharing what modiications i did to my tri....

Ashta

Ha Iflies. Hers is a short video, from Hoskote Today. I have never flown a heli and first time flying a Tricopter.
It took off well and was flying very stable. But i was very nervous and landed it fast and that too in to a pool of water.
Kept it for drying.. Hope that nothing has gone wrong.
Oh.. what a relief. now it is only a quetsion of trials and learning.
The machine seems to be perfect.
thanks for all.
Anam funny: The max current that my ESCs share is 4-6 Amps and at these currents they are cool
pl watch the short video
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santhosh


SunLikeStar

a job well done, congrats  :thumbsup:
i wonder how much flight time you can get with the 1350mAh because 6 amps is not much.

Ashta

thnks sunlike star. The min for a tricopter of this size will be 2200maH


Quote from: SunLikeStar on November 13, 2010, 03:09:17 PM
a job well done, congrats  :thumbsup:
i wonder how much flight time you can get with the 1350mAh because 6 amps is not much.
You can't be first because you do not know!

iamahuman

It looks and sounds alien.But awesome stuff.
"Chuck Norris once overcharged a lipo. Thank him for the Sun."

SSC LCG Slash 4x4.
JQ THE eCar.

rohitgupta322

Wow well done ashta sir, really good. :salute:
Be Inquisitive

izmile

"Anything can fly" - SPADs just prove that!

Ashta

Thanks Rohit, Izimile, Iamahuman.
thank you very much for the kind words.

ashta
You can't be first because you do not know!

Ashta

thanks santhosh. hoping to meet you in Kerals some time.

Quote from: santhosh on November 13, 2010, 02:56:57 PM
congrats :thumbsup: :thumbsup: :thumbsup:
You can't be first because you do not know!

anwar

Nice and stable :thumbsup:

The trick to landing these, and even regular helis is to try to make them hover at a small height, and let gravity do its thing gradually.  Do NOT bring down the throttle stick lower than 1 or 2 clicks from the position needed to make it hover at a constant height.
Hangar : Please see my introduction.
RC India forum and me : About this forum.

anam_funny

Hey...!!! That is completely awesome... What is the AUW?

rajathv8

Me , vikas , vinay (another vinay) and ashok were at the lake bed from 4pm to 7pm. Darn just missed i guess :(

VC

The bar just got raised higher by a mile!  :bow: :bow: :bow:

Proud of you Sir.
Growing old is mandatory, growing up is optional!

Ashta

thanks. the auw is 1.1kg

Quote from: anam_funny on November 13, 2010, 06:25:46 PM
Hey...!!! That is completely awesome... What is the AUW?
You can't be first because you do not know!

Ashta

thanks VC and all the best to u




Quote from: VC on November 13, 2010, 09:11:07 PM
The bar just got raised higher by a mile!  :bow: :bow: :bow:

Proud of you Sir.
You can't be first because you do not know!

Ashta

Thanks Sundaramvelar. I missed your comments, sorry. The machine seems to be very stable, though i am still to learn to fly it with confidence,
thanks a lot
ashta



Quote from: sundaramvelar on October 29, 2010, 12:22:44 PM
Ashta Ji very interesting thread fabulous.  {:)}  {:)}  {:)} 

I am following this intently. Eagerly awaiting more details on servos setup and mixing, gyros setup, throttle mixing and reference details.
You can't be first because you do not know!

anwar

Please do post the radio/gyro settings you had to tweak.  That would be interesting information to many (especially gyro gain, gyro mode etc) :)
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RC India forum and me : About this forum.

Ashta

Dear Anwar,
I will post them.
Still i think that there is lot of scope to play around. Most of the tweaking i did by trying to fly the copter by passing a string thru the center and watching carefully. ( pl see the video i had posted)
After doing this i have not done any tuning on real flight. I should do that for more fine tuning.
Let me try to recollect.
Mine is Futabs 7C
Swash:
HR3, 120 CCPM
Aeleron= +43
Elevator=-40
Pitch= -100

For the Three Motor Gyros, the Gains are connected together to TH chanel (Ch3).
50% = Neutral
60%= 20% Gain rate mode
70%= 40% Gain rate mode
80%=60% Gain rate mode
90%=80% Gain rate mode
100%=100% Gain rate mode

I kept at aroud 93%

40%= 20% Gain Head Hold mode
30%= 40% Gain Head Hold mode
20%=60% Gain Head Hold mode
10%=80% Gain Head Hold mode

Motor Gyros are always in rate mode

For the Yaw Gyro, the gain is thru CH 5. I control it thru Switch A. On power on i keep it in rate mode and while flying i put it in Head hold mode.
Sw pos 1= +100
Sw pos2= -100
Pos 1 i keep at 50
Po 2 i keep at -39
The Pitch curve is
30.5
45
58
72
100

This is my last settings





You can't be first because you do not know!

anwar

So your throttle channel is reversed, it seems.  Can you post reversal information too for all channels.
Hangar : Please see my introduction.
RC India forum and me : About this forum.