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› T-Rex 550 DFC V2 / Bogging Down
09-23-2016 10:49 PM  14 months agoPost 1
Marinevet1812

rrNovice

Middletown, CT USA

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Need some help guys, when I fly my 550 DFC and attempt to do the tick-tock's the heli is bogging down a bit. I'm running Pulse 6S 5000 45C/ KDBB 550 blades/ MX600 motor/ Talon 90. I flying is sport and learning 3D, I do understand that throttle management is essential. Below you will find a video of my attempted 3D flight, should I upgrade the moror, blades etc.

Watch at YouTube

Thank you...

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09-24-2016 12:02 AM  14 months agoPost 2
DemetriusUSN

rrVeteran

Virginia Beach, Va​USA

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How much pitch are you running?

Minicopter Diabolo 700,Minicopter 550,Compass 6hvu, Devil 380

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09-24-2016 12:32 AM  14 months agoPost 3
Marinevet1812

rrNovice

Middletown, CT USA

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I just ordered a pitch gage, but the guy that I bought the heli from says it has 11 1/2 to 12.

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09-24-2016 12:56 AM  14 months agoPost 4
DemetriusUSN

rrVeteran

Virginia Beach, Va​USA

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It doesn't seem that bad,that I can tell on the video. When you get your gauge,check it to make sure.

Minicopter Diabolo 700,Minicopter 550,Compass 6hvu, Devil 380

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09-24-2016 02:29 AM  14 months agoPost 5
Heli Fanatix

rrVeteran

Fountain Valley, CA

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From your flight before the 2:21 mark
- good collective
- smooth transition
- i can see that when you are coming out of the loop

at the 2:21 when you initiate the Tic Toc Disc In / tail down
- starting the Tic Toc Disc in is good

when pushing away
- you are too close to knife edge (90 degrees to ground)
- go further past knife edge
- notice when you started it, the heli is almost level to ground
- when going away, you are close to knife edge
- that is why you go going down

I would suggest:
- bring it towards to you to about 2 o'clock (if looking sideways)
- use elevator to bring heli upright (with little collective)
- then when close to knife edge, start using collective and ease off on cyclic.

it's kinda like a manual transition
- more collective ... less cyclic
- more cyclic .... less collective
- going a little higher HS would help
- do a big rainbow than shorten it

- Scott

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09-25-2016 12:20 AM  14 months agoPost 6
Marinevet1812

rrNovice

Middletown, CT USA

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Guys thank you so much for the advice!!!I will check the head speed/pitch once the gage comes in. As far is I know the settings are stock on the the Talon 90. I just flew my Blade 360 on 6S 1800 45C and no problem with tick-ticks or bogging down (stock settings). Actually, I managed to have a full 9min 20% left in the pack,flying sport and mild 3d, which I'm really pleased about.

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09-25-2016 04:38 AM  14 months agoPost 7
don s

rrElite Veteran

Chesapeake, VA

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What headspeed on the 550?

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

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11-29-2016 03:47 PM  12 months agoPost 8
Richardmid1

rrProfessor

Leeds, England

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It's not bogging down as in lacking in power you just need to use more cyclic and less pitch. What you are trying to do is like a rainbow but keeping the heli too upright. Practice simply flipping the heli backwards to inverted and hold it for a second then flip back over and hold for a second and repeat. Once you can control this just start speeding them up and stop at 45 degrees instead of all the way over.

2:29 to 2:34 you did some nice ones!

You could probably go higher on the head speed aswell, you want it at least 2200.

60% of the time, it works every time!

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