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Old Jan 30, 2012, 01:48 PM
RealGambler is offline
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Way to many airplanes!
Quote:
Originally Posted by erkq View Post
When is someone going to try 3S on the AS3X board? I've transplanted one into a 3000kv equipped Sbach and want someone else to test for Magic Smoke before I toast my FrankenBach. The FrankenBach is such a wonderful plane I want someone else to fry theirs first!
Well, RCBabbel was supposed to do it this morning, but since we have not heard from him yet, maybe he is still picking up the pieces and will only report when the bag will be full....
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Old Jan 30, 2012, 02:21 PM
RCBABBEL is online now
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**I'm Battman**
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Hey guys,

Work got me again.

Had just enough time this morning for a few Hyp 3S 180 run ups.
AS3X system and servos are operating normally.
Batt is a snug fit.
Awesome power!

Beast 3D with 5030 prop:

Peak static RPM: 14,250
After 30 sec run time: 13,750

This is going to be fun!!

Got to run...


rc
RCG Plus Member
Old Jan 30, 2012, 02:40 PM
BobaFett1138 is offline
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Too much to do not enough time
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Woah woah, 3S using the stock brick/motor? *drools uncontrollably* I MUST see a video of it flying! If you start making 3S packs you will have many customers........
Old Jan 30, 2012, 04:42 PM
RealGambler is offline
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Way to many airplanes!
Quote:
Originally Posted by RCBABBEL View Post
Hey guys,

Work got me again.

Had just enough time this morning for a few Hyp 3S 180 run ups.
AS3X system and servos are operating normally.
Batt is a snug fit.
Awesome power!

Beast 3D with 5030 prop:

Peak static RPM: 14,250
After 30 sec run time: 13,750

This is going to be fun!!

Got to run...


rc
Wooooooweeeeeee! With prop unloading in flight, minus the usual losses, that's should give you close to 40mph, on the Beast

So basically, other than not having LVC anymore (and you should not hit that anyway!) and carrying a few more grams, there's basically no drawback unless you don't want a speedy aircraft. I guess hot summer days may be a problem...
Old Jan 31, 2012, 12:22 AM
RCBABBEL is online now
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**I'm Battman**
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Quote:
Originally Posted by RealGambler View Post
Wooooooweeeeeee! With prop unloading in flight, minus the usual losses, that's should give you close to 40mph, on the Beast

So basically, other than not having LVC anymore (and you should not hit that anyway!) and carrying a few more grams, there's basically no drawback unless you don't want a speedy aircraft. I guess hot summer days may be a problem...
RG,

This stripped down Hyp 3S 180 has me way excited!

It's almost the exact same weight as the stock UMX Hyp 2S 240s.
https://www.rcgroups.com/forums/show...&postcount=616

16.56g vs 16.76g

No additional weight.
No change in balance point.
Crazy power if you so desire.

Hovering an ultra-micro without extra power drives me nuts.

Hope to take her up tomorrow after work.
Bringing along a 5043 as well.


rc
RCG Plus Member
Old Jan 31, 2012, 12:43 AM
freesex is offline
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Quote:
Originally Posted by RCBABBEL View Post
RG,

This stripped down Hyp 3S 180 has me way excited!

It's almost the exact same weight as the stock UMX Hyp 2S 240s.
https://www.rcgroups.com/forums/show...&postcount=616

16.56g vs 16.76g

No additional weight.
No change in balance point.
Crazy power if you so desire.

Hovering an ultra-micro without extra power drives me nuts.

Hope to take her up tomorrow after work.
Bringing along a 5043 as well.


rc
16.76 g is awesome !!, my 3 X 1S hyperion 240mah + connector is 23G, but will give longer flight time as 3s setup draws extra amp
Old Jan 31, 2012, 07:42 AM
bobly is offline
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Quote:
Originally Posted by freesex View Post
16.76 g is awesome !!, my 3 X 1S hyperion 240mah + connector is 23G, but will give longer flight time as 3s setup draws extra amp
I have no experience with different voltages being used for rc motors, but in general for the same watts of power produced, higher voltage would draw less amps wouldn't it? So sounds like you should be able to make more watts for the same or less amps with 3 cell.
Old Jan 31, 2012, 11:01 AM
Gary Hoorn is online now
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Chesapeake Bay RC Club
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Roger,
Have you plugged in a 3S setup and counted the "beeps" from the ESC? In the video above it sounds like only 2 cells are being detected.
Gary
Old Jan 31, 2012, 12:33 PM
freesex is offline
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Quote:
Originally Posted by Gary Hoorn View Post
Roger,
Have you plugged in a 3S setup and counted the "beeps" from the ESC? In the video above it sounds like only 2 cells are being detected.
Gary
interesting! I didn't notice that there were only 2 beeps. but 3 cells were connected in series, the electirc circuit wouldn't be complete if 1 cell was missing.


test flew B3D with my 3s setup this morning, AUW 82g, It handle extre weight very well, vertical performance was very solid! that's was the biggest improvement, hover and TR were easier bue to increased punch. not much faster though. will try different prop and motor setup on 3S, and keep you guys posted.
Old Jan 31, 2012, 02:18 PM
turboparker is offline
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I'd rather be flying!
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Quote:
Originally Posted by bobly View Post
I have no experience with different voltages being used for rc motors, but in general for the same watts of power produced, higher voltage would draw less amps wouldn't it? So sounds like you should be able to make more watts for the same or less amps with 3 cell.
Bobly,

You are correct. Propped for the same wattage, a 3s setup will draw much less current than a 2s setup. Higher voltage is also more efficient, as it allows one do the same amount of work while drawing less current. Less current means lower I^2R loss, which, as the formula shows, exponentially increases efficiency.

Joel
Old Jan 31, 2012, 03:15 PM
freesex is offline
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Oh, sorry, I was wrong. thank you guys for corectting me
Old Jan 31, 2012, 07:24 PM
everydayflyer is offline
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Southern Pride
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Anyone interested in a HK nano tech 25C 2S 180 test?
Const. Dsc 1-3A
https://www.rcgroups.com/forums/show...56&postcount=1

nano and Hyp. compared at 1.5 and 2A

https://www.rcgroups.com/forums/show...60&postcount=4

Charles
Old Jan 31, 2012, 07:39 PM
brushless55 is offline
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big ignore list
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Quote:
Originally Posted by freesex View Post
excited on 3s setup, I decided to make a 3s connector myself. it was done within an hour. test run with 2300kv motor + 5043, seems to be fine. here are some pics and test run video.

http://www.youtube.com/watch?v=aCNIu...ature=youtu.be
Very cool man!
like the looks of your pack, here is mine..
started a while back on the UMX Sbach forums..
My Micro Beast V1 sounds like it winds out more than your though..?
on the V1 I am unable to go past 75-80% throttle with a 5030 prop as the esc is going into some protection mode, but soon as I throttle back and hit it again is spins right up..
Old Jan 31, 2012, 09:16 PM
snjbird is offline
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3D... the only way to fly!
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Quote:
Originally Posted by everydayflyer View Post
Anyone interested in a HK nano tech 25C 2S 180 test?
Const. Dsc 1-3A
https://www.rcgroups.com/forums/show...56&postcount=1

nano and Hyp. compared at 1.5 and 2A

https://www.rcgroups.com/forums/show...60&postcount=4

Charles

Charles they look pretty close on the compare graph... What kind of words do you have after doing the test?

I did throw mine on the scales, the Nano is a bit lighter. I will be interested to see how they hold up. From these test, do you have a guesstimate to cycle life?
Last edited by snjbird; Jan 31, 2012 at 10:18 PM.


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