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HomeAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › JR REG-015 Regulator (800 size Gasser)
01-03-2014 01:40 AM  4 years agoPost 1
PaulBowen

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Victoria, Australia.

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Hello,

Has anyone used a JR REG-015 regulator in a 700-800 size heli?

It is a 5.0 volt system rated at 15A continuous, 20A for 20sec and 25A for 8sec. It plugs into a 2s LiPo.

All opinions welcome

Futaba T18SZ, JR Propo XG14, Hirobo fanatic!

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01-03-2014 05:25 AM  4 years agoPost 2
PaulBowen

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Victoria, Australia.

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Sorry I forgot to mention that it supplies 5.0v and has a failsafe switch. Lower voltage I know equals lower servo power and speed but to me should give higher reliability?

Futaba T18SZ, JR Propo XG14, Hirobo fanatic!

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01-03-2014 04:36 PM  4 years agoPost 3
BobOD

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New York- USA

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Indeed, this is a good reason to do it. It's a trade between lower stress on all the parts of the system versus lower parts count.
Can you tell more about it.
How did it fail. Does the REG015 no longer produce an output?
Can you describe more about the heli?

I haven't used a REG015 but I have used similarly rated in 700 class and is completely reliable...to answer your question best as possible right now.

Team POP Secret

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01-03-2014 10:12 PM  4 years agoPost 4
PaulBowen

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Victoria, Australia.

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Hi BobOD.

The helicopter is a JR GSSR260Z FBL Sport with 810mm mains and 115mm tail blades. Radio gear and servos are JR TAGS01, 3x JR MPH83SWV, 1x JR MPH83GWV and a JR DS8355.

The JR REG015 I have is brand new. It is rated at 15A continuos, 20A for 20sec and 25A for 8sec all at 5.0v. It appears to work well on the bench with a lot of stick wiggling.

The regulator that failed was another more complicated brand using a TP 3s2250 LiPo with dual busses (5.2v/7.4v). I don't want to mention the type as it has been sent off to be tested and the manufacturer is being very helpful. It is a very popular unit. It failed on about the tenth 20 minute flight. It just switched off on final approach to land at about 15ft after a gentle sport flight. I don't fly 3d. It is designed to fail on. It wasn't hot afterwards and just switched back on as though nothing had happened. I could not get it to even blink an eye on the bench.

I have two options:

Direct 2s4400Mah LiPo at 8.4v with a single servo regulator on the throttle, or

JR REG-015 regulator running at 5.0 volts for everything.

Futaba T18SZ, JR Propo XG14, Hirobo fanatic!

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01-03-2014 11:24 PM  4 years agoPost 5
BobOD

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New York- USA

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Looks like you have high end stuff there. Shame for something like this to happen.

How much MAH did you use per minute?
Any logging and/or telemetry data?

Team POP Secret

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01-03-2014 11:49 PM  4 years agoPost 6
PaulBowen

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Victoria, Australia.

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I believe the 3s LiPo was using about 400-500mA in a 20 minute flight.

Futaba T18SZ, JR Propo XG14, Hirobo fanatic!

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01-04-2014 05:03 PM  4 years agoPost 7
BobOD

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New York- USA

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OK, so the average draw on the pack was 1.5A which is about 17 watts. That's a pretty light load. We don't know the peaks but I highly doubt they are excessive. You should probably supply this information to the manufacturer of that regulator if they haven't already asked for it.

Team POP Secret

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01-04-2014 10:59 PM  4 years agoPost 8
PaulBowen

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Victoria, Australia.

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Thanks BobOD.

Yes I passed the info on.

I am going to do some hovering on the 5.0v system and see how it goes. I assume it would be pretty hard to to exceed 15-20A on a 5.0v system doing sport flying. It should have plenty of headroom.

Futaba T18SZ, JR Propo XG14, Hirobo fanatic!

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01-07-2014 10:44 PM  4 years agoPost 9
PaulBowen

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Victoria, Australia.

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I have flown the helicopter now using the regulator.

15 minutes flying with about 10-15 minutes running on the ground. I charged the battery and put 450mA back in (2s4400).

Voltage range recorded on telemetry was low 5.1v, high 5.2v.

Futaba T18SZ, JR Propo XG14, Hirobo fanatic!

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01-24-2014 12:26 PM  4 years agoPost 10
Four Stroker

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Atlanta

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Paul;

What radio/telemetry are you using ?

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01-24-2014 10:31 PM  4 years agoPost 11
PaulBowen

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Victoria, Australia.

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JR XG8.

Great radio!

Futaba T18SZ, JR Propo XG14, Hirobo fanatic!

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01-24-2014 10:34 PM  4 years agoPost 12
Four Stroker

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Atlanta

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I am using the 831 RX which samples very quickly. So your regulator seems to be working very well.

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01-24-2014 10:48 PM  4 years agoPost 13
PaulBowen

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Victoria, Australia.

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It's funny I downloaded the 2014 JR catalogue and they seem to have the REG-015 in there GSR260Z.

Futaba T18SZ, JR Propo XG14, Hirobo fanatic!

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HomeAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › JR REG-015 Regulator (800 size Gasser)
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