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Old Nov 17, 2014, 11:30 PM
"Free" in Christ! #F3P
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United States, CA, SF
Joined Jan 2012
990 Posts
Quote:
Originally Posted by jbarchuk View Post
It's pretty close to impossible to build an all-purpose 'anything' (in this case vehicle) that's very good at everything. That's why there are top fuel dragsters and F1 road racers. The dragsters can't hardly turn at all, certainly not a speed, and the F1 can do only about 2/3 of the speed of the dragster but can turn at 3.5g.

Pick one target style per plane and aim for that and it'll do that one style muuuch better than aiming for multiple styles.
I think he has a point....but if you want to try a light freestyle plane....go for it.

Free
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Old Nov 25, 2014, 11:44 AM
Registered User
Joined Aug 2013
1 Posts
Hello,

I'm a French student and i'm curently building a coaxial motor with a XPower XC2802/44 feather , for a composite design F3P

I would like to know what pitch and diameter i have to use for the propeler

В ожидании ответа от вас , я желаю

вам хороших рейсов

Спасибо и удачи
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Old Dec 10, 2014, 04:47 AM
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Lantsov Alexey's Avatar
Russian Federation, Saint Petersburg, St Petersburg
Joined Jan 2009
274 Posts
Now pilots use 10.11.12 inch propellers.
You have to look at the brake down the fly.
I fly with 10 propeller speed down very slowly
Чемпионат Германии. Ланцов . (3 min 42 sec)
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Old Dec 10, 2014, 03:34 PM
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United States, NV, Henderson
Joined Sep 2013
1,154 Posts
When you set the speed for downline braking, do you set the prop rotation speed just slow enough before it pulls the plane on the ground? Or do you make it spin as slowly as possible but still spin?

Also, do you have your throttle on switch so you can flip it when ready to fly, and off to arm the ESC?
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Old Mar 19, 2015, 05:00 AM
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Joined Aug 2012
411 Posts
Is it posibble to build a f3p airplane which flys very very slow using ar6410 or ar6400, if yes . What wing span,carbon or foam?,auw?,.... what.. .prop,motor,batt,linear servo.
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Old Mar 20, 2015, 07:35 AM
R.I.P. Maggy:(
United States, PA, Fairfield
Joined Dec 2014
88 Posts
romanxdsouza have a look on post 66 on page 5 not a exactly what you are looking for but it is something to go off of it you do make one start a thread!
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Old Mar 21, 2015, 02:35 AM
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Joined Aug 2012
411 Posts
I did see that, dont want to hack the motor for now, i also messaged lantsov about the ar6410 set up.
yes the plane in post 66 would be great to start with,need to know
were are the plans,wing span, carbon what mm for which parts,what motor to use with out opening it,auw.....im still reading to find more info .
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Last edited by romanxdsouza; Mar 21, 2015 at 05:20 AM.
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