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Old Dec 12, 2012, 05:53 PM
The Twisted Elf
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USA, NJ, Trenton
Joined Nov 2010
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thank you jimbo
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Old Dec 12, 2012, 06:46 PM
AMA 1034020
ATCH's Avatar
United States, AL, Alexander City
Joined Jul 2011
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Can someone tell me if a eflite 250 2200kv and eflite 10amp esc would work in the standard 32 crack yak? With out me sifting threw 331 pages to find out.
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Old Dec 12, 2012, 06:57 PM
Twisted Do Nut!
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Fort Worth
Joined Dec 2010
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It could work, but at the specs shown I think it'd be better for the mini yak or something like the mini.
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Old Dec 13, 2012, 07:50 AM
Slopeaholic
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Joined May 2011
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Desperate times need desperate measures. It's my last prop, it's 9 inches and I'm on 3s...


3s on 9 inch prop by slopeflyer12, on Flickr

How long will the motor last and how many watts will it kick?
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Old Dec 13, 2012, 07:52 AM
Slopeaholic
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I had an interesting chat with mark at parkaero today, he was experimenting with ESCs and said that his findings show that all ESCs are not created equal and it might be time to upgrade my sunrise esc. Sounds most interesting he found a 10% increase in power just by swopping out the esc. Thanks Mark!
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Old Dec 13, 2012, 08:10 AM
Extremely Twisted
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United States, NH, Epping
Joined Oct 2005
2,641 Posts
Quote:
Originally Posted by jimbo320 View Post
Desperate times need desperate measures. It's my last prop, it's 9 inches and I'm on 3s...


3s on 9 inch prop by slopeflyer12, on Flickr

How long will the motor last and how many watts will it kick?
Not long. 3S on an 8x4.3 is actually pushing these motors a bit. Cut down the prop to 8 inches and balance it and keep an eye/finger on the temps...it won't be as good as a real 8x4.3 but you should get your fix!
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Old Dec 13, 2012, 08:11 AM
Twisted Do Nut!
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Fort Worth
Joined Dec 2010
2,385 Posts
The cold and these props don't mix to well. Broke three last time I flew and I didn't think it was that cold. Try the TH esc jimbo once I got one I switched all of the fleet over.

Nevermind, Cody you sneaky guy you!
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Last edited by KamikazePilot; Dec 13, 2012 at 08:13 AM. Reason: Beat me to it...
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Old Dec 13, 2012, 08:16 AM
Extremely Twisted
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United States, NH, Epping
Joined Oct 2005
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Quote:
Originally Posted by ATCH View Post
Can someone tell me if a eflite 250 2200kv and eflite 10amp esc would work in the standard 32 crack yak? With out me sifting threw 331 pages to find out.
That motor is too small and light. You will need a motor that is 20-26 grams and can put out 70-110 watts.
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Old Dec 13, 2012, 08:20 AM
Intergalctic Coffee Enthusiast
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United States, OK, Tulsa
Joined Jun 2011
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Almost got mine all done! Can't wait!
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Old Dec 13, 2012, 08:26 AM
Registered Addict
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United Kingdom, Stoke-on-Trent
Joined Jul 2010
5,247 Posts
Quote:
Originally Posted by jimbo320 View Post
I had an interesting chat with mark at parkaero today, he was experimenting with ESCs and said that his findings show that all ESCs are not created equal and it might be time to upgrade my sunrise esc. Sounds most interesting he found a 10% increase in power just by swopping out the esc. Thanks Mark!
Marks a real gent isnt he I dont by my foamies from anyone else his CS is simply the best! he also has a real passion for the hobby we love so much and it shows..
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Old Dec 13, 2012, 09:31 AM
Slopeaholic
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Well has anyone tried 9 inch on 3s or am I the guinea pig?
Not today, waaaay tooo cold.

Edit : Cody just read your reply. Cutting props is prolly over my skills limits.

Just turned it over in the house. OMG serious power in 1/3 throttle and heating up!

Ps that is what crack yak looks like with over 100 packs on the clock! Can't be bad!
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Last edited by jimbo320; Dec 13, 2012 at 09:48 AM.
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Old Dec 13, 2012, 11:37 AM
Registered Addict
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United Kingdom, Stoke-on-Trent
Joined Jul 2010
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Quote:
Originally Posted by jimbo320 View Post
Well has anyone tried 9 inch on 3s or am I the guinea pig?
Not today, waaaay tooo cold.

Edit : Cody just read your reply. Cutting props is prolly over my skills limits.

Just turned it over in the house. OMG serious power in 1/3 throttle and heating up!

Ps that is what crack yak looks like with over 100 packs on the clock! Can't be bad!
I have jimbo and fried a motor and esc after around 6 packs made for some aggressive 3D though cody would of been proud
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Old Dec 13, 2012, 12:02 PM
Slopeaholic
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Quote:
Originally Posted by Kris... View Post
I have jimbo and fried a motor and esc after around 6 packs made for some aggressive 3D though cody would of been proud
Ok...... I think I'll take that prop off then. I could feel the esc heating up. I should be getting some connectors for my wattmeter soon. I'll measure the power though beforehand
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Old Dec 13, 2012, 12:05 PM
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United Kingdom, Stoke-on-Trent
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Quote:
Originally Posted by jimbo320 View Post
Ok...... I think I'll take that prop off then. I could feel the esc heating up. I should be getting some connectors for my wattmeter soon. I'll measure the power though beforehand
I must add this was by accident when swapping from 2s to 3s and forgetting to change the prop
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Old Dec 14, 2012, 03:10 AM
Registered User
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United Kingdom, Gunnerton
Joined Dec 2010
1,120 Posts
Sunrise vs ZTW ESC

Quote:
Originally Posted by jimbo320 View Post
I had an interesting chat with mark at parkaero today, he was experimenting with ESCs and said that his findings show that all ESCs are not created equal and it might be time to upgrade my sunrise esc. Sounds most interesting he found a 10% increase in power just by swopping out the esc.
I was surprised how much of a difference swapping my Sunrise for a ZTW ESC made! It really does give it a noticeable power boost. They also start the motor instantly and consistently (the reason I swapped out the Sunrise).

You don't get the extra power for free though. I had to adjust my timer from 4:30 to 3:40 (running batteries to down to 20%).
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