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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › running 6S in a 12S machine
03-20-2017 02:31 PM  3 years ago
revmix

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got nothing
seeing is believing, watch the clip on 1st page
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03-20-2017 03:00 PM  3 years ago
Richardmid1

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The lower the head speed the less tail power/authority you have. End of story. Why are we even having a debate about this!
on high headspeed there is lot of torque & tail can kick out fast
check the video; the guy does not do any alteration to the heli & 3D's without a problem
Your right there is more torque from the head but then the tail is much more powerful to handle it! Tail kick out fast? what?!

He has to very carefully pick his manoeuvers and be very gentle at applying collective, that is how he is able to 3D it.
60% of the time, it works every time!
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03-20-2017 03:05 PM  3 years ago
revmix

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End of story.
for lower headspeed reduced tail push is enough
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03-20-2017 03:09 PM  3 years ago
Richardmid1

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Your right you can get away with it if your careful or if it's not too windy but speeding the tail up allows you to fly much harder!60% of the time, it works every time!
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03-20-2017 03:15 PM  3 years ago
revmix

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but speeding the tail up
less load on the main rotor & more easy with the tail
the punch out is not as powerful but the tail is steady
btw; Hughes full scale made a 269 model with high RPM tail & did not work quite well [too much air velocity] & was very noisy, the standard configuration was better
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03-20-2017 03:42 PM  3 years ago
JuanRodriguez

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Richard,
I think we should stop feeding the troll .....
Been there, done that and old enough to know better.....
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03-20-2017 03:49 PM  3 years ago
revmix

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think
watch & learn the included video about aerodynamics
the OP's heli works & so does the video heli too
equal action~reaction regarding torque
so what's the problem?
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03-20-2017 05:14 PM  3 years ago
revmix

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Your right you can get away with it
power ratio
A helicopter with 9,500 horsepower might require 1,200 horsepower to drive the tail rotor, while a 200 horsepower aircraft might require only 10 horsepower for torque correction.
http://www.copters.com/aero/torque.html
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03-20-2017 06:08 PM  3 years ago
EEngineer

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"check the video"

What?

The video proves absolutely nothing....could be staged...etc.

No one can x-examine a video to ascertain its veracity.
Logo 600SXs, 800XX, TDR IIs
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03-20-2017 06:22 PM  3 years ago
revmix

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What?
same guy with another less torque low RPM

Watch at YouTube

interesting this one too with chopper-sound

Watch at YouTube

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03-20-2017 06:46 PM  3 years ago
EEngineer

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dig dig dig......

Logo 600SXs, 800XX, TDR IIs
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03-20-2017 06:48 PM  3 years ago
Richardmid1

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The Synergy's have much higher tail ratio's than any other which is why they have better tail authority at low rpm.

I saw no 3d in the Align 800 video!

Try Matt Botos's low head speed flight with a Trex 600L (1:3.85 tail ratio) and see how far you get!

There is a way round it with Aligns and that's to install the tail drive gears from the 600 or 700 nitro.
60% of the time, it works every time!
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03-20-2017 06:52 PM  3 years ago
EEngineer

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Ah so....good show, old man....for pointing that out.

Such balderdash, I say.

Logo 600SXs, 800XX, TDR IIs
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03-20-2017 07:14 PM  3 years ago
revmix

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no 3d
ain't the issue
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03-20-2017 07:50 PM  3 years ago
JuanRodriguez

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revmix,

And the hole you're digging for yourself keeps getting deeper and deeper !

Pretty soon you'll be needing one of these !

https://en.wikipedia.org/wiki/Self-...thing_apparatus
Been there, done that and old enough to know better.....
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03-20-2017 07:57 PM  3 years ago
EEngineer

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"Pretty soon you'll be needing one of these !"

Or we will....
Logo 600SXs, 800XX, TDR IIs
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03-20-2017 07:59 PM  3 years ago
revmix

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deeper and deeper
what happened to your 'stop', didn't think it through?
check the topic; it's not about stick-banging
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03-20-2017 08:14 PM  3 years ago
JuanRodriguez

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what happened to your 'stop', didn't think it through?
check the topic; it's not about stick-banging
The topic deteriorated when you started making a fool of yourself !
Been there, done that and old enough to know better.....
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03-20-2017 08:21 PM  3 years ago
revmix

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The topic
not being personal
just check physics; like head spinning (pun)
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03-20-2017 08:28 PM  3 years ago
Santiago P

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Could we just skip to the part when someone gets voted out of the Island?

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