Successful Power Systems - Page 7 - RC Groups
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Sep 16, 2004, 05:11 AM
flo
flo
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one more


enjoy

flo
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Sep 16, 2004, 06:57 AM
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BandDButton's Avatar
flo,

Just beautiful, Thanks for the pictures!

Darrell
Sep 16, 2004, 07:41 AM
Good Better Best quest.
olmod's Avatar
complete with wing walker ;-) magnificent
Sep 16, 2004, 01:12 PM
Registered User
I'm new to this messaging stuff. Hope I'm doing it right. I have a question I hope someone can help me with. When measuring amp draw the prop is in a static state. Current is high. When the plane is moving, the prop is unloaded and current is low. Static on mine is around 9 amps. Calculated draw after a flight is around 3 amps. Calculated using time in flight and amps put back into the battery. The charts I see posted give high amp ratings. Is the posted amps the Static amps?

dmr1954
Sep 16, 2004, 04:31 PM
flo
flo
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Wingwalker


HI olmod
funny little fellow isn`t he
I havn`t noticed him before as i usually just look at the bigger pics of 2+megs and this particular 2 were further reduced of original 0,4 meg pics taken from a friend.

@dmr1954
usually charts of motor datas show static ampdraw

greetings from munich

flo
Sep 17, 2004, 01:12 PM
Registered User
Is it possible to run two brushless motors off one BL contoler?? I haven't tried it yet.
Sep 17, 2004, 01:38 PM
Tree? That's a Tx weed!
crashsiegel's Avatar
Sometimes yes but usually no.
There are occasional reports of 2 BL motors working on 1 controller (parallel) but usually the reports are negative. Most common are starting issues (one does, one doesn't).
Better to configure 1 motor with 1 controller x2 and connect to the rx with a Y cable - BUT remember to disable one or both BEC circuits if the controllers have them (remove the controller's red wire from the connector at the Y cable). You do not want 2 BEC's trying to power the system - will cause problems.
You can use 1 or 2 motor batteries. But if you use 1 battery be sure it can supply the amps for both motors without an issue.
You really want to keep the wires short as long wires cause problems for the controller and rx. Consensus seems to be that long battery wires are the worst.

Hope this helps,
Crash
Sep 17, 2004, 01:56 PM
Registered User
yea it does, I was wondering cause Im trying to save weight(who isnt). I saw a couple of BL motors that would replace the stock motors in my superflea edf. I guess one more controler won't hurt the weight factor.
Sep 17, 2004, 03:45 PM
sloping addict
Protocooler's Avatar
Quote:
Originally Posted by bouncer1
Is it possible to run two brushless motors off one BL contoler?? I haven't tried it yet.
Yes I can attest that it does - and with 2 Outrunners at that. The startup works about 9/10, but works not as good with some sidewind. Does not work with different props of course. I think ESC was a MGM compro TMM and motors were two Axis, but unsure.
It is recommended to keep a little bit of throttle at all times, otherwise it can occur ocassionally to be unable to restart.

Here's a pic of this magnificent and home made model. It flies extremely well, think it was on 2*3S Lipos with power to spare (more than 200W per kg). Retract gear, home made !
But this is not mine
Sep 17, 2004, 04:28 PM
Suspended Account
Wow, "9/11-Incredible video with facts!" in a few days from 629 to 1282 hits.
A great success.
I agree with Contest 2004. The two Twin Towers could not crash that way because of some ridiculous Boeing 757, very ridiculous with regard to the immense weight of the two skyscrapers.

Vittorio from Italy
Sep 19, 2004, 08:45 AM
Registered User
Is there an advantage to using a 12 pole stator over a 9 pole stator? This is in a CD Rom go brushless motor. 25mm
Oct 04, 2004, 11:09 AM
can ya do that??...
electroboy's Avatar

A-7


Model/subject:A-7 II Flying Styro
Motor:ModelMotors MiniAC 1215/16
Speed Control:Jeti 18-3p
Cell type/count:Lipoly 3s1p
Prop/fan:vasa55
Reduction method and ratio:
Amps: 14
Watts:145
RPM:?lots
Weight Read to Fly:15 oz.
Picture:http://img.photobucket.com/albums/v3...A7LTqtview.jpg
Comments, etc.: Flies great with above setup. Fan is buried approx. 1.5" aft of wing TE with mylar ducting aft of fan to smooth flow. That alone made a big difference in resultant thrust and speed. 2"x2" cheater hole on bottom fuse cut along molded panel lines1" in front of fan lip.
Hatch secured with 3 rare earth magnets, clean and strong.
Controlled with Airtronics Stylus system,PCM rec'r 92186, Hitec HS85s x3
Last edited by electroboy; Nov 30, 2004 at 01:24 PM. Reason: new data
Oct 05, 2004, 11:51 AM
Love new planes
Serial Krasher's Avatar

1.5 m. glider: Kyosho Soarus 1600


Model: Kyosho Soarus 1600
Motor: Jamara 480 Pro HS BB
Gearbox: Jamara 4:1 planetary
Propeller: folding 11x8
Battery: Sanyo NiMH 2300 AA
AUW: 28 oz. (830 gr.)

With this combination, the plane goes up there in 20-30 seconds .
Oct 06, 2004, 02:43 AM
Love new planes
Serial Krasher's Avatar
Oops, I forgot to mention full throtle rpm of the above mentioned setup: 5100-5200 rpm at the first 20-30 seconds, then 4900-5000 rpm for the following minutes, until the pack gets flat.
Oct 07, 2004, 06:11 AM
Robots... robots everywhere
minifly's Avatar
model: edge-rc devestator
motor: mega 16/15/4C (has a 5mm shaft vs. 3.2mm, C stands for combat)
prop: graupner 6X5.5 speed (NOT CAM prop)
batts: 9 X 1800HECells ni-mh
esc:cc25, normal timing, fast start
16k rpm, but unloads a LOT in flight
6-7 mins of full throttle, usually about 20 mins flight time per charge
amps, auw unknown

comments: almost unlimited vertical, VERY fast in flight, great manuverability, about 100 mph, but still good low speed handling, although acceleration is not great until i get some speed up.

several other pilots have had frights (sorry, flights ) on it, all agree that power setup is awsome...


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