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Old Jan 27, 2013, 11:09 PM
The Sequel
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Australia, VIC
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Originally Posted by FASTBEN View Post
if you look at page 11 post 411 my scorpion 2221/10 with GB @ 28mm will awing large prop @ only 4.6oz will give 600+watts 55-60 amp and only cost me under $90. bought the motor for $49 used near new and Gb for 38.
Ben
Nice! What's the brand of gb on the front of your scorp please Ben?

Thanks also rcglider!
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Old Jan 27, 2013, 11:42 PM
Retirement is good
United States, CA, Huntington Beach
Joined Jun 2011
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Originally Posted by mustflynow2 View Post
+1 on the neu geared set up, for efficiency alone. Have on order since oct '12 a 1112/1y 6.7 for a 2m sailplane at 1800g. It is killing me seeing the summer slip by and my plane stuck in the cupboard. Was promised before christmas! anyway! Hopefully giving 180 oz of thrust on 4s. Too much for the orion? Weight at 6.5 oz 185g
1110/1y 6.7 at 5.8oz 165g might be sweet for the orion on 3s.
What is the lightest weight up front?

Looking back I see a 1105/2y with 4.4 maxon at 4.1oz 116g
You couldn't go much lighter could you?
My 2 pennies: The 1112 would be a hoot and not too horrid on weight at 6.5 oz.

A flying buddy is currently doing a 1110/1Y 6.7 on 3S and, yep, it should be sweet. I'll keep you posted.

I used the 1105 w/ 4.4 Maxon, weighs more like 4.7 oz, 13x9 RFM prop, but AUW is only 51 oz with full telemetry. Critical that 2200 3S battery and ESC be side-by-side for CG around 106mm. Lighter possible? I don't think so.

Cheers!
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Old Jan 27, 2013, 11:58 PM
The Sequel
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Thanks heaps rofly!
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Old Jan 28, 2013, 12:03 AM
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Wow

Quote:
Originally Posted by FASTBEN View Post
if you look at page 11 post 411 my scorpion 2221/10 with GB @ 28mm will awing large prop @ only 4.6oz will give 600+watts 55-60 amp and only cost me under $90. bought the motor for $49 used near new and Gb for 38.
Ben
The Scorpion 2221/10 specs at max 42A and 550W... and I thought I was pushing my Neu 1105! That's pretty cool and I assume you limited motor runs at WOT to less than 10 or 15 seconds. But then the motor has a fan I believe... might help.
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Old Jan 28, 2013, 04:43 AM
still trying to get it right
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benelux
Joined Feb 2009
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Quote:
Originally Posted by rofly View Post
The Scorpion 2221/10 specs at max 42A and 550W... and I thought I was pushing my Neu 1105! That's pretty cool and I assume you limited motor runs at WOT to less than 10 or 15 seconds. But then the motor has a fan I believe... might help.
Anyone calculated what kind of thrust you would be getting from a setup like this?
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Old Jan 28, 2013, 06:02 AM
The Sequel
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How does this look? Fastben's post 411 says he is using a 17" prop!
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Old Jan 28, 2013, 06:38 AM
B12
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Originally Posted by yakhakker View Post
Actually I have done a bit of work on ecalc and the turnigy/dualsky or whatever (they all come out the same factory) 3542/5 is a good bet as it is able to push near 2kilo of thrust if propped right which is more than enough and the 3548/5 will do near 2.5kilos on 4cells at at the expense of extra weight so I will try the lighter option first and can always buy the larger motor if I am not happy as they are cheap enough.
Try Turnigy 3648/850kv with ecalc. It will beat all other cheap motors hands down. I run couple of these with 3s and 13x11 Cam carbon (~60A ~3600g thrust). By calcs it is by far the most powerful cheapish chinese outrunner. There are couple of Scorpions and Hyperions that match and that's it.

http://www.hobbyking.com/hobbyking/s...tor_850kv.html
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Old Jan 28, 2013, 07:00 AM
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Originally Posted by mustflynow2 View Post
Nice! What's the brand of gb on the front of your scorp please Ben?

Thanks also rcglider!
http://www3.towerhobbies.com/cgi-bin...&I=LXWVT4&P=ML
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Old Jan 28, 2013, 07:04 AM
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Originally Posted by B12 View Post
Try Turnigy 3648/850kv with ecalc. It will beat all other cheap motors hands down. I run couple of these with 3s and 13x11 Cam carbon (~60A ~3600g thrust). By calcs it is by far the most powerful cheapish chinese outrunner. There are couple of Scorpions and Hyperions that match and that's it.

http://www.hobbyking.com/hobbyking/s...tor_850kv.html
that is a 37mm motor in a 38mm nose.
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Old Jan 28, 2013, 07:08 AM
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my Orion has a 1110/1y/6.7 it will be flying on 4s.
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Old Jan 28, 2013, 11:31 AM
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Originally Posted by mustflynow2 View Post
How does this look? Fastben's post 411 says he is using a 17" prop!
Calc looks about right. 17" prop explains the power consumption stated by FASTBEN. The system, for the price, is worth a try.
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Old Jan 28, 2013, 11:34 AM
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Originally Posted by FASTBEN View Post
my Orion has a 1110/1y/6.7 it will be flying on 4s.
On 4S it will be "FAST" "BEN". Keep us posted and I will compare to my buddy's same motor/GB on 3S.
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Old Jan 28, 2013, 02:22 PM
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Will do
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Old Jan 28, 2013, 03:43 PM
still trying to get it right
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benelux
Joined Feb 2009
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Quote:
Originally Posted by B12 View Post
Try Turnigy 3648/850kv with ecalc. It will beat all other cheap motors hands down. I run couple of these with 3s and 13x11 Cam carbon (~60A ~3600g thrust). By calcs it is by far the most powerful cheapish chinese outrunner. There are couple of Scorpions and Hyperions that match and that's it.

http://www.hobbyking.com/hobbyking/s...tor_850kv.html

Many thanks B12, this is just the stuff I am looking for, so I reckon a jeti spin 66 teamed up with that setup will do the job a treat. cheers. Just to reiterate a 36mm outrunner will just fit in the Orion but you may have to make a spacer of 3mm or more for the front so that the wires clear.
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Old Jan 28, 2013, 03:58 PM
The Sequel
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Australia, VIC
Joined Sep 2011
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Quote:
Originally Posted by B12 View Post
Try Turnigy 3648/850kv with ecalc. It will beat all other cheap motors hands down. I run couple of these with 3s and 13x11 Cam carbon (~60A ~3600g thrust). By calcs it is by far the most powerful cheapish chinese outrunner. There are couple of Scorpions and Hyperions that match and that's it.

http://www.hobbyking.com/hobbyking/s...tor_850kv.html
You should post a pic of your bubble mod to accommodate the wires past the spinning outrunner can B12. It is going to be impossibly tight otherwise?
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