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Home✈️Aircraft🚁HelicopterGasser Model RC HelicoptersOther › Stator Gator jumper harness: newer, simpler way
04-03-2012 05:49 AM  9 years ago
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Dood

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Wescanson

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Stator Gator jumper harness: newer, simpler way
I want to share a new, simpler jumper harness to make the Stator Gator fully compatible with the GY701 and CGY750.

To make my own harness, Stator Gator suggested I lift the Red (+) wire and run that wire alone to the receiver and send the Signal and Ground (-) wire to the CGY750. I assembled an adapter harness from my connector kit here at home and it works beautifully, achieving the full 99% on the CGY750.

That harness works great, but because I'm pulling out the red wire, I'm left with three loose wire strands. It isn't the tidiest. Here is a picture of that harness:

To satisfy my own curiosity, I assembled one more additional harness, but this time sent both the (+) and (-) wires to the receiver, and the Signal wire all by itself to the CGY750. This harness looks much neater as the red and white wires remain intact with one another.
With this harness I also get the full 99% on the CGY750.

This harness can be assembled in less than 2 minutes with the proper tools and for a cost of less than $1.

If you don't want to make an adapter like I did, you can pull apart the SG wire to separate the White wire only and insert it into its own connector.
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04-03-2012 06:01 AM  9 years ago
Dood

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This is the harness available from Stator Gator.
I originally thought there was a diode in there or something, but that's not the case.

While the harness looks like a simple Y harness with double male connectors, it is not! Do not attempt to make a Y-harness for your SG as connecting power to the rSen port on the CGY750 lets the magic smoke out. Ask me how I know.
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04-03-2012 08:59 AM  9 years ago
Azalin

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Wow. Thanks Dood.Helibug Trex 700 HB7-RC Gasser | TRM VX270TT | V-Bar silver line
Helibug Trex 600 HB6-RC7 Gasser
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04-03-2012 04:41 PM  9 years ago
classic

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Actually, I want to hand it to Adam, he was the guy who figured out why the 701 and 750 would not work with the Stator gators while the GV-1 did.

He spent hours trying to figure out what was differant between the two units as the only answer we could get from Futaba was that "the governors were exactly alike".

Adam's "Y" was more complicated then what I sugested to Dood to make, Adam's had a small circut board to wire all three pig tails together, thats why they cost more to buy from him as the parts alone to make them was over 5 bucks.

I am glad this new Y works, it allows customers to make their own and I don't have to worry about another item to carry.

I like the pic of seperating the white wire instead of the red, I will copy that and share it if you don't mind Dood.
Which is worse, ignorance or apathy? I don't know and I don't care!
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04-03-2012 04:55 PM  9 years ago
classic

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Or you could bypass the "Y" and do it this way if you have an extra plug. Just be sure to use a small razor blade to lift the tabs to remove the pins, a small screwdriver may damage the plastic tabs so they don't snap down.

Which is worse, ignorance or apathy? I don't know and I don't care!
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04-03-2012 05:08 PM  9 years ago
rbort

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Franklin, MA - USA

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That's interesting to hear
the only answer we could get from Futaba was that "the governors were exactly alike"
And also having flown the gv-1 and 701 myself I don't see a whole lot of difference in performance between the two of them. Sure some menu option changes in the 701 to bring out some of the hidden menu items in the gv-1, other than that both work quite well when setup properly and I guess the biggest change is incorporating the governor into the gyro or flybarless unit.

-=>Raja.
MA 1005 Hanson 27 3DMax, 4488 flts
Spectra-G Hanson 27 3DMax, 3485 flts
Whiplash V1-2 Hanson 300, 2090 flts
Whiplash V2 Hanson 300, 989 flts
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04-03-2012 05:23 PM  9 years ago
classic

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Let me clarify,
When they said "they were exactly alike" they were taking about the sensors and the output. They didn't say anything about the voltage output being less.

Carey would be the expert in telling you what the actual differances between the two gyros functions are.
Which is worse, ignorance or apathy? I don't know and I don't care!
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04-03-2012 08:44 PM  9 years ago
Azalin

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Ankara-Turkey

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What is the voltage range that Stator Gator needs to work?Helibug Trex 700 HB7-RC Gasser | TRM VX270TT | V-Bar silver line
Helibug Trex 600 HB6-RC7 Gasser
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04-03-2012 09:20 PM  9 years ago
deanguy

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TX

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So let me get this straight.. The harness that comes with the new type of Stator Gator doesn't work with the 750? And you had to make a new one? When I say new type I mean the one specifically for the little motor in the Radikal 20.. Ron Lund had two different ones listed..
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04-03-2012 09:38 PM  9 years ago
deanguy

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TX

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Hey here's another question.. How does this hookup to the RX if you are using the SBUS reciever? All my servos so far plug into the 750 and I just have the SBUS cable running to the RX..
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04-03-2012 09:48 PM  9 years ago
classic

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The harness that comes with the new type of Stator Gator doesn't work with the 750? And you had to make a new one? When I say new type I mean the one specifically for the little motor in the Radikal 20.. Ron Lund had two different ones listed..
Not sure what your question is here, the Ei has two wires comming out of it, one is a "T" connector for the ignition system, the other wire is a servo connector for the gov, same type of servo plug wire that the PUH and RC gators use.
Hey here's another question.. How does this hookup to the RX if you are using the SBUS reciever? All my servos so far plug into the 750 and I just have the SBUS cable running to the RX..
I don't use Futaba so not sure how the SBUS works, I would just plug the extra lead into the receiver and the white signal wire from the SG into gov signal port.
Which is worse, ignorance or apathy? I don't know and I don't care!
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04-03-2012 10:18 PM  9 years ago
DEDO

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I can not get a static sensor reading. if I start the engine, the CGY displayes the rpm. . . has anyone else had this happen?Peace Out BOBBY D.
"GOBLIN PRo GASSER"
ZeN G290,HC3SX,MKS,
Maidened 8/24/12 FL
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04-03-2012 11:15 PM  9 years ago
Dood

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How does this hookup to the RX if you are using the SBUS reciever?
The Rev Sensor port on the CGY750 does not output enough power for the SG to function properly. This is why we need the jumper wire.

The Harness I made has only the signal wire going into the 750 and the black and red wires going to spare channel in the receiver for power.
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04-04-2012 01:11 AM  9 years ago
Malc1

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EVESHAM,UK

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To clarify..

My old type Stator Gator as is working with my GV-1 on my Spectra G will not work with a CGY750?

The SG's only has an earth and a red bullet connector and a RX plug.

I have a CGY750 here to install on this heli - am I going to need to change the wiring then?
Minicopter Diabolo - Kosmik200,Pyro750-56
SpectraG + G26 3D Max
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04-04-2012 01:29 AM  9 years ago
Dood

rrProfessor

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If you're getting less than a 99% reading with your 750, you'll need the jumper, but then again, some people reported the SG working fine on their CGY750's with a 80% sensor signal.

To clarify, you're not really changing the wiring of the SG. It installs the same way as always, you just need an alternate power source because the CGY750 does NOT output enough power for the SG through the Rsen port.
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04-04-2012 02:34 AM  9 years ago
Carey Shurley

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Orlando, FL - USA

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actual differances between the GV1 and GY701/750 functions are:
  1. its processor is faster than the GV-1
  2. it officially supports digital servo frequencies
  3. it can function as a governor or a rev limiter
  4. you can set the stick position where the governor arms (throttle curve percentage)
  5. you can set the minimum RPM to less than 1000
  6. the max rpm is now 3000 rpm
  7. it supports revo compensation for pirouettes (because it knows what the t/r gyro is doing)
  8. you can set the percentage of target rpm's at which the governor enables
  9. it stores the max sensor percentage
  10. it stores the max RPM regardless of throttle position (the GV1 stores it at 95% or more throttle)
  11. you can set the response rate as a percentage or it has predefined conditions
  12. you can set the start delay (how long for it to ramp to target)
  13. you can set the rpm reduce delay
  14. you can set the rpm increase delay
  15. you can set the low throttle limits for both normal and idle up conditions
  16. the mixture control stuff is no longer supported
none of this is "hidden"

as with most things Futaba, its massively flexible
Proprietor - Gas Powered Helicopters
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04-04-2012 08:27 AM  9 years ago
DEDO

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FREDERICA, DE.

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I have installed the power jumper. but still can not get a static sensor reading. If I start the engine I get the rpm reading from the CGY~750. if I connect the stock CGY sensor I get a reading. the SG is getting 5.8V. Any ideas out there as to why this is happening ?Peace Out BOBBY D.
"GOBLIN PRo GASSER"
ZeN G290,HC3SX,MKS,
Maidened 8/24/12 FL
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04-04-2012 12:30 PM  9 years ago
ocr231

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Webster MA

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If you are using a rc sg try switching the red and black wires on the engine side.
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04-04-2012 02:46 PM  9 years ago
classic

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Carey correct me if I am wrong, but I do not think you will get a static reading with the motor off.
If your RPM is reading correctly while the motor is running, then it works.
Which is worse, ignorance or apathy? I don't know and I don't care!
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04-04-2012 03:32 PM  9 years ago
Carey Shurley

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Orlando, FL - USA

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nope, no static readings.

when the motor is running you can get a reading but its changing so quickly that it doesn't matter

thats the beauty of the 701/750 max sensor reading, as long as its 99% your golden
Proprietor - Gas Powered Helicopters
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Home✈️Aircraft🚁HelicopterGasser Model RC HelicoptersOther › Stator Gator jumper harness: newer, simpler way
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