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Old Oct 16, 2011, 06:50 PM
GryphonRCU is offline
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Guys,

Will a 6S fit?



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Old Oct 16, 2011, 06:56 PM
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Something around 1600-1800 mah may fit. Would require a careful build to make enough room though, and power on time wouldnt be long (but you would need much anyway )
Old Oct 16, 2011, 06:58 PM
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Hopefully maximum possible "C" rating and top quality.


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Old Oct 16, 2011, 07:07 PM
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Amazing sizes,weight and price,oh....and C rating
http://www.neumotors.com/store/index.html
Yuri.
Old Oct 16, 2011, 08:36 PM
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I didn't see a small cell 6S on that exact page, but I'm fairly sure NEU makes a lot more packs than listed there.



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Old Oct 16, 2011, 10:13 PM
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Yuri, always pushing boundaries! I like the 6S idea

Will start looking for a pack. I don't remember if Steve has any. Only concern may be the ESC as it will be operating on the edge.
Old Oct 17, 2011, 01:41 AM
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http://www.hobbyking.com/hobbyking/s...Lipo_Pack.html



On the other hand... anyone trying to convert their input to maximum output rather then just increasing the input wattage? Thinking the use of a 22/20 rather then a 16/40 would be much better at the same weight. We tried alot of pylon setups over here pushing the 16/XX motors to alot of power(everything from pylonracers to funjets)... switching to a 22/20 increases the prop rpm by ALOT at the same input.

pretty good performance with a 7x4 prop :-)
http://www.youtube.com/user/HABElect...15/shchVnZkY6s
Last edited by henke; Oct 17, 2011 at 01:57 AM.
Old Oct 17, 2011, 03:47 AM
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henke,

I thought this airframe needs 28mm, because 36mm diameter will not fit.

__________________________

22/30/X is much heavier than 16/40

16/40 out performs 22/30 because a none "E" 22/X motor is like a detuned 36mm motor.

22/30E has superior performance to 16/40

{ "E" in 28mm motor means something else than "E" in 36mm motor }

__________________

I'm not so sure 22/20E can outperform 16/40 .... prove it!!
(you also said by a lot. )
Make it all static data so no errors are introduced.


Edit:
***Take a stab at 16/35 if you think you can demonstrate that the 22/20E can outperform it by a lot.

Gryphon
Last edited by GryphonRCU; Oct 17, 2011 at 03:59 AM.
Old Oct 17, 2011, 04:07 AM
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Nah 36mm wont really fit. Would have to lop off a big chunk of the nose, which would result in CG issues.
Old Oct 17, 2011, 04:20 AM
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Quote:
Originally Posted by jackosmeister View Post
Nah 36mm wont really fit. Would have to lop off a big chunk of the nose, which would result in CG issues.
Then I was informed wrong by someone :-)

https://www.rcgroups.com/forums/show...63&postcount=2


(Neu is even 39mm)
Old Oct 17, 2011, 04:44 AM
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Yup that was early in the build

Physically it'll fit if you cut the nose down, but CG, and batteries would likely be a very big issue
Last edited by jackosmeister; Oct 17, 2011 at 04:50 AM.
Old Oct 17, 2011, 04:58 AM
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Quote:
Originally Posted by jackosmeister View Post
Yup that was early in the build

Physically it'll fit if you cut the nose down, but CG, and batteries would likely be a very big issue
Maybe trade 50gram battery for 50grams of motor to gain efficiancy. 22/30 is 220grams due to the MEGA website. Good for CG and lower input power calls for smaller batteries.

Just suggestions as none are flying F5B useing 28mm motors these days.
Old Oct 17, 2011, 05:24 AM
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None are flying 51" planes in F5B either Remember, its the size of an F5D racer.

28mm works well, I seriously dont think there'd be much to gain in loosing lipo room for the sake of a bigger, possibly more efficient, motor.


Have you got any data comparing 28mm megas to 36's ?
Old Oct 17, 2011, 05:44 AM
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Quote:
Originally Posted by jackosmeister View Post
28mm works well,

Yes ofcause it does. Still intresting to improve things even though they seem pretty good from the beginning.

I guess that's why Yuri seem to be drawing on even faster designs, not because the X is bad but because there are always improvements to be made.
Old Oct 17, 2011, 02:04 PM
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Hyperion Europe refused to help. Looks as if I'll be sending some servos over the pond tomorrow
So much for Hyperion customer service!


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