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Old Oct 08, 2012, 03:22 PM
sherlockshah is offline
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I cant go past 14inch prop, I would like to get 13inch just to be safe


what set up can i use for 13inch prop? what pitch?
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Old Oct 09, 2012, 09:14 PM
Eli Lipschitz is offline
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13x8 is pretty standard. If you do not have a watt meter, you should purchase one. Watch your amperes and wattage as you give it more throttle. If it goes over and above your ESC limits, you should use a smaller prop or a large ESC or motor.
Old Oct 10, 2012, 01:12 AM
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I think the model weighing at least 16 lbs.
At that stall speed will be 27mph.
Required to fly at about 80-85mph. APC 13x10 with a 10.300 rpm.
And consume around 1900 watts.

6s is necessary for a motor of 480 to 600 grams with 560 Kv. ESC 90-100A.
For necessary 8s same engine but with a weight of 421 Kv., ESC 75-85A.


Manuel V.
Old Oct 10, 2012, 04:44 AM
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what about 12s


what prop and motor kv
Old Oct 10, 2012, 01:46 PM
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would be equal, but with an motor of around 340 Kv.
, 51A, esc 60A.
Maybe 4000 ma are enough for 4minutes.

If you can fit a larger diameter propeller, then we can get better push, if you can, a 13x10 3 blade work better, but occupy the same rpm. and a little more a amperes.

Manuel V.
Old Oct 10, 2012, 04:07 PM View Post
DDURGADASS
A moderator felt this post violated the following rule: Trolling (Widespread). Show it to me anyway.
Old Oct 11, 2012, 12:05 AM
sherlockshah is offline
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3 blade prop?


Quote:
Originally Posted by manuel v View Post
would be equal, but with an motor of around 340 Kv.
, 51A, esc 60A.
Maybe 4000 ma are enough for 4minutes.

If you can fit a larger diameter propeller, then we can get better push, if you can, a 13x10 3 blade work better, but occupy the same rpm. and a little more a amperes.

Manuel V.
so get a 3 blade 13x10 prop and run it on 12s with a low kv motor? they sell 295kv or 245kv as the lowest.
Old Oct 11, 2012, 12:22 AM
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sherlock
You best chance is with 295 Kv.

What brand of motor, you mean?
We could put the link?

Manuel V.
Old Oct 11, 2012, 09:30 AM
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here is the motor great reviews


http://www.hobbypartz.com/96m607-big...325-295kv.html
Old Oct 11, 2012, 06:43 PM
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Quote:
Originally Posted by manuel v View Post
would be equal, but with an motor of around 340 Kv.
, 51A, esc 60A.
Maybe 4000 ma are enough for 4minutes.

If you can fit a larger diameter propeller, then we can get better push, if you can, a 13x10 3 blade work better, but occupy the same rpm. and a little more a amperes.

Manuel V.
Im sorry, this numbers are for 10s.
For 12s is a motor 280Kv and around 42A.

Maybe with tacon big foot. is around 11.000 rpm and 45-48A.

Manuel V.
Old Oct 30, 2012, 12:10 PM
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I got the 295k motor today and the 120hv esc


I need to figure out which prop i can use on 12s. I guess if i go with a lower size prop it should pull less amps. I can only do 12s, I dont have any other batteries. If i can prop it down with 295kv i rather do that than buy new batteries.
Old Oct 30, 2012, 03:41 PM
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Im going to experiment with a 3 blade 11x8 and 12x8


on 12s at 295kv sounds about right. I have 120amp esc so I think it will have the punch.
Old Oct 30, 2012, 04:21 PM
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I think your motor may well up to 13x10 propeller.
But very good test before the 12x8 propeller fot check ampers and rpm.
and so see if you can do the test with the 13x10.

Manuel V.
Old Nov 06, 2012, 06:45 PM
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sherlockshah,
Are you a member of the AMA here in America?
Old Nov 06, 2012, 10:23 PM
sherlockshah is offline
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yes I am


hey check out my turbine jet!!! I am working with a friend who is going to help me get a waiver

Skymaster Gripen with VT-80 turbine engine RC jet (maiden flight) (7 min 21 sec)


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