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e-MS Composit Hornet > need help on stinger 6
 
 
moses
Heliman
Location: indiana

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i just got a stinger 6. what all kinds of motors and esc can i run on it?? thanks
11-10-2008 02:43 AM
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cmarcar
Heliman
Location: san diego, ca

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stinger 6

Moses,
if you look through the mscomposit website, the czech one. you'll see that it takes a mscomposit em-650 brushless motor. basically, it's a relabeled axi 2826-08 and a ms-117 esc or a ms-118 esc. which are relabeled JETI esc. how do i know? cause i already done the research and have / had all the components for the stinger 6. i received an email from mscompositeusa rep BButts stating the above info.


i currently have the ms-117 40amp esc for sale, you already found it.

i sold the stinger 6 a couple of months ago to littleheli from the UK.

and, just this weekend, i built up the motor and esc on an extremeflight edge 540T swinging a 13x4E prop. the only issue is that it's a 1150kv motor where i need a 900kv. i still have to maiden. and i'm waiting for the wind to settle here in san diego, ca.

-cmarcar
11-10-2008 04:00 PM
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DarkHorse1
Senior Heliman
Location: Gloucester UK

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Motor: EM 650/8 for Stinger 6 (note the weight quoted is wrong) is a rebadged Axi 2820/8 1500Kv (151g).
ESC: 40Amp or Spin44
The dual gear is roughly equivilant to a 120T main gear ratio.
19T 3s 3700mAh ~2200rpm stock with wood blades
15T 4s 2500mAh ~2500rpm (~500w/kg peak, 45A) ali+carbon MS Stinger 6 Pro and adapted frame for CofG with 4s pack

In all honesty, try to get components that can be used in other setups and treat this heli as no more than a stable easy going hover/cruiser and don't crash it often. Do not plough much money in to it.

Main issue with the MS Pro ali+carbon heli version is the relatively small tail rotor that is required to be light as the ali tail boom resonates severely running larger Eolo tail rotor blades resonate to destruction without tail boom stabilization The tail has other hidden issues... ali tail slider assembly is a must and examine the brass slider contact areas.

Ikarus style tail slider bugs (Eco8, Viper70/90, MS Stinger3/6)
In both the stock tail slider (brass/one way/plastic outer) and ali hop up (brass, dual bearing/ali outer) there is a design oversight. First I noticed my stock one way version start to lock up and get warm after a couple of hours of flights. Swapped in the ali version on bearings and noticed that to was getting hot and even though I left it with some play to move, not tight. The reason is that in both cases, the brass pitch slider and yoke at 10K rpm touch the stationary outer casing, generating heat and wear under tail pitch loading. I don't think many have tested this design much or they would have included some small stepper washers to engage the spinning components with the centre ball race and not contact the stationary outer race. I didn't have any correct sized washers to hand so I'm using a small rubber o-rings just pinched up (not too much or they will spread). More testing required...


Zero your Carbon foot print?... Don't breed!
11-10-2008 08:35 PM
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cmarcar
Heliman
Location: san diego, ca

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Darkhorse,
i was under the impression that the em650/08 from mscomposit was a relabeled axi 2826-08 which has a 1130kv and not the axi 2820-06 with a 1500kv like you stated.
if that's the case, this set up will not work on a 3D airplane.
if the 1130kv was already too fast, this 1500kv is much faster and will draw more amps with a large prop.

anyways, i don't want to steal the thread from moses' stinger 6.

i guess i have a MSComposite motor and esc(s) up for sale:
MS-117 - 40amp
MS-118 - 70amp
EM650/08 - brushless motor

Moses, i sent you a pm regarding the sale of this set-up for you heli.

-c
11-10-2008 10:01 PM
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DarkHorse1
Senior Heliman
Location: Gloucester UK

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Yes no worries, I thought it was a typo. Good luck with the sale.

Zero your Carbon foot print?... Don't breed!
11-10-2008 10:27 PM
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cmarcar
Heliman
Location: san diego, ca

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Hi moses,
are you interested in the components?

have you seen my ad?
http://www.runryder.com/helicopter/t472807p1/

the prices i have are 50% off retail.

BUT, make me a reasonable offer for any of the three components. or combo package. i'll work with you.

motor and 70amp
motor and 40amp

i really want to fly my plane. but i need to buy a new setup.
but i can't until i sell this one.
-carlos
11-11-2008 11:38 PM
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e-MS Composit Hornet > need help on stinger 6
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