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T-REX 450 › 12 and 13 degrees pitch question
01-13-2010 02:37 PM  8 years agoPost 1
wc_wickedclown (RIP)

rrProfessor

long beach calif

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ive heard and have seen guys useing 12 13 and 15 degress of pitch.

what is 12 and 13 degrees of pitch good for .
punchouts ? hardcore 3d ?

Insha Allah made in america

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01-13-2010 02:42 PM  8 years agoPost 2
TRex888

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Monmouth, UK

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01-13-2010 02:44 PM  8 years agoPost 3
TRex888

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Monmouth, UK

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01-13-2010 03:23 PM  8 years agoPost 4
wc_wickedclown (RIP)

rrProfessor

long beach calif

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maybe i didnt ask the question correctly ?

finless is useing -11 and +11 but that does not answer my question
i maybe i should have asked why would a person use 12 or more degrees of + pitch

Insha Allah made in america

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01-13-2010 03:47 PM  8 years agoPost 5
TRex888

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Monmouth, UK

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The links were there for info. It gives much background into heli set ups and why.

In a couple of simple sentances. A CP heli should try and maintain constant HS (hence we have governor ESC) and climb is controlled by varying the pitch. Laws of physics and heli design means a CP heli typically hovers with 7 degrees of pitch. Increasing this means the heli will climb. But one cannot increase pitch forever as the heli will bog. Hence most helis are designed with 12-13 degrees of pitch max. On a 450 Pro or Protos this will go to about 15 degrees, but without a sufficiently capable motor and power system the heli will just bog.

I would recommend you read the EHBG and just anything you can get your hands on.

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01-13-2010 03:47 PM  8 years agoPost 6
trekrider586

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Sylacauga,Al

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why would a person use 12 or more degrees of + pitch
used to control heli movements.higher pitch=more pop and stop,but comes with a price.this is where the term collective management comes in.

it's better to ask for forgiveness than for permission

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01-13-2010 06:07 PM  8 years agoPost 7
wc_wickedclown (RIP)

rrProfessor

long beach calif

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thanks guys thats just what i was trying to be sure of
and just as i predicked.

you guys are the best.

im getting 13 degress of pitch out of my 450 and i want to hear the pop

Insha Allah made in america

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01-13-2010 09:07 PM  8 years agoPost 8
drdot

rrElite Veteran

So. California, Orange County.

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fwiw..

[quote]what is 12 and 13 degrees of pitch good for .
punchouts ? hardcore 3d ?
Draining the battery...

Seriously, unless you are really skilled and have a good battery/power system, 12 is all you need...

John.

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01-13-2010 10:07 PM  8 years agoPost 9
wc_wickedclown (RIP)

rrProfessor

long beach calif

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scropion 2221-6 and thunder power 2250 45c
scorpion v1 55a esc

11t pinion

need i say more ?

Insha Allah made in america

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01-13-2010 11:09 PM  8 years agoPost 10
DWS6

rrKey Veteran

Newark,DE

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You can use the extra 3-4 deg of pitch for fast direction changes and stoppping power. The down side is it takes time to manage it. If you dont you have a heli that bogs badly, kills the batteries and in some cases I have seen the tail blow out in manuevers using excessive pitch when bogging the head down.

Dave Williams
Team Align

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01-13-2010 11:24 PM  8 years agoPost 11
CompyMike

rrVeteran

sacramento, ca

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It makes the collective more sensitive around center stick which alot of people like. I say you are better off making your 450 lighter.

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01-14-2010 12:26 AM  8 years agoPost 12
wc_wickedclown (RIP)

rrProfessor

long beach calif

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so you guys think 11 degree is enough ?
i wanted to try 13 degrees but im listening to you guys and thanks for the advice.

Insha Allah made in america

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01-14-2010 02:51 AM  8 years agoPost 13
drdot

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So. California, Orange County.

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fwiw..

+/- 12 here.....Align 4050 Kv motor, 11T pinion...Good balance of power and flight time....

John.

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01-14-2010 05:37 PM  8 years agoPost 14
TRex888

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Monmouth, UK

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IMHO the scropion 2221-6 is way too powerful for you if you do not fully understand what pinion or pitch to use.

The scropion 2221-6 was mainly used by people running A123 cells where the cell voltage is lower than LiPos, so the extra kV made up for the lower voltage. I was running one such set up last year http://www.helifreak.com/showthread...ghlight=trex888

Personnaly I think you may be trying to use too powerful setup for your current requirements.

Your flight times will also suffer greatly with this motor.

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01-16-2010 02:36 PM  8 years agoPost 15
wc_wickedclown (RIP)

rrProfessor

long beach calif

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Personnaly I think you may be trying to use too powerful setup for your current requirements.
maybe but its so much fun

Watch at YouTube

Watch at YouTube

i ordered a 12t pinion and i lowered the gyro gain to much im hopeing
will see on my next flight and im useing a thunder power 45c/ 90c burst battery and man im loveing every second .

Insha Allah made in america

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