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Old Nov 17, 2012, 03:56 PM
Slopeaholic
jimbo320's Avatar
Joined May 2011
3,708 Posts
Quote:
Originally Posted by Ohio AV8TOR View Post
Are you getting more flight time on 3S and did you change props during the battery switch? I am using the stock power setup from TH.
Personally im using the 8x4 yellow prop and i get the same flight times perhaps a few seconds less, but close.
Im finding that my model attrition is higher, all that extra power is affecting the models a bit more, crack yak rudder stopped working today, and the pitts prop came off, just with normal flying...
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Old Nov 17, 2012, 04:09 PM
Registered User
wayfaringdreamer's Avatar
United States, PA, Middletown
Joined Sep 2011
649 Posts
Outstanding weather here in central PA. I got 8 flights in today averaging 6.5 minutes each.

No crashes, no broken props!

Crack Yak is Whack!

Whooohooooooo!!!!!!!!!
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Old Nov 17, 2012, 06:55 PM
Twisted Do Nut!
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Fort Worth
Joined Dec 2010
2,487 Posts
Quote:
Originally Posted by wayfaringdreamer View Post
Outstanding weather here in central PA. I got 8 flights in today averaging 6.5 minutes each.

No crashes, no broken props!

Crack Yak is Whack!

Whooohooooooo!!!!!!!!!
Weather was good here as well though I flew the Pitts and my micro stryker the most. The Yak got airtime but no cam time.

What battery are you using to get that 6 minutes?
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Old Nov 17, 2012, 08:46 PM
AirSurfer
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United States, VA, Arlington
Joined Sep 2011
627 Posts
I had my maiden today and as much as it was fun it felt like I could use more power...
(ex. at time the hover just didnt kept its height, and not just towards the end of battery).
I am using the power setup combo settings, with Lipo Twisted Hobbys 2S 450mah 25~50C, and Prop Slow Fly 9 x 4.7 "Tuff Prop".
any ideas, or did you guys experience the same ??
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Old Nov 17, 2012, 09:23 PM
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United States, PA, Middletown
Joined Sep 2011
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Quote:
Originally Posted by KamikazePilot View Post
Weather was good here as well though I flew the Pitts and my micro stryker the most. The Yak got airtime but no cam time.

What battery are you using to get that 6 minutes?

The TH 450 3S.
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Old Nov 17, 2012, 09:36 PM
Twisted Do Nut!
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Fort Worth
Joined Dec 2010
2,487 Posts
Tbone that's hinky, I've got power to spare with the same setup. Did you calibrate the throttle?

I'm lucky if I get 5 minutes on a 450 pack let alone 6. At 5 minutes I'll kill my packs, though I do fly aggresively.
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Last edited by KamikazePilot; Nov 17, 2012 at 09:37 PM. Reason: posted part of it in the wrong thread
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Old Nov 17, 2012, 09:54 PM
Registered User
United States, NJ, Clayton
Joined Aug 2010
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Phoenix
3D Fixed Wing
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Old Nov 17, 2012, 09:57 PM
Giant Scale 3D/IMAC & FPV
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Canada, AB, Calgary
Joined Feb 2008
631 Posts
Hey guys,

Been flying the Leadfeather 3D EPP Yak 55 coming on 4 years now. 2s indoor on 9x4.7, 3s outdoor 8x4DD is my favorite setup on the Tunigy 2730 1500kv (1600kv real). Mental power. Weighs the same as this crack yak. I just built my second one about 3 weeks ago as my 3.5 year old Yak was gettin beat up.


So my question is, Crack Yak or the new Crack Yak LITE? I'm going to be outdoor flying 90% of the time, so 3s will be my setup so 1750kv is a little out of the question most likely. In fact, I don't even think I'm going to replenish my 2s lipo array as many of my old rhinos are getting tired. I do fly 3s indoor at times on my Yak now and yes it's INSANITY but sooooo much fun lol. Is the EPP thinner on the Crack Yak LITE? Since I wont be trying to save every gram of weight that i could using 3s, I'm leaning towards the regular Crack Yak as it should be more durable, handle wind better and is better built for 3s setup than the LITE.

Thoughts for those who have owned both?
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Old Nov 17, 2012, 10:38 PM
AirSurfer
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United States, VA, Arlington
Joined Sep 2011
627 Posts
how do I calibrate the throttle ?
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Last edited by TBone08; Nov 18, 2012 at 12:18 AM.
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Old Nov 18, 2012, 12:30 AM
ward cleaver's boy...
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waco,texas
Joined May 2008
665 Posts
Before plugging your battery to the ESC, put your throttle all the way up. Turn your radio on then plugg your battery in. You should hear the ESC make its usual noise followed by a couple of short beeps. When you hear the two short beeps pull your throttle all the way down and the ESC should finish arming as usual , now the throttle should be calibrated.
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Old Nov 18, 2012, 12:31 AM
AirSurfer
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United States, VA, Arlington
Joined Sep 2011
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can I do so AFTER I have flown the plane ?
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Old Nov 18, 2012, 12:33 AM
ward cleaver's boy...
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waco,texas
Joined May 2008
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Yes..... Shouldn't matter when you do it.
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Old Nov 18, 2012, 12:35 AM
AirSurfer
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United States, VA, Arlington
Joined Sep 2011
627 Posts
thanks, and I just found this tutorial video calibration
http://www.twistedhobbys.com/ESC-Twi...ESC-TH-12A.htm
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Old Nov 18, 2012, 12:36 AM
AirSurfer
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United States, VA, Arlington
Joined Sep 2011
627 Posts
does this suppose to give more power to the engine than without calibration ?
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Old Nov 18, 2012, 12:40 AM
Team Twisted!
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United States, CA, Hercules
Joined Dec 2011
4,318 Posts
Quote:
Originally Posted by TBone08 View Post
does this suppose to give more power to the engine than without calibration ?
It might but not always. It will make the throttle curve more linear.
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