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HomeAircraftHelicopterAlignOther › 2-in-1 + spektrum VR5203 regulator tail lock out
02-09-2008 11:29 PM  10 years agoPost 1
floop

rrVeteran

Southern, NJ

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Had a heli go down today. Out of control piro. After it hit the ground I noticed the tail slider was all the way to the right and no matter what I did it wouldn't center. Turned the 2-in-1 off then on and the tail centered up fine.

I'm wondering if the 2-in-1 output of 5.7 volts is close enough to the minimum input voltage of 5.5 on the Dual regulator from Spektrum that it could cause a lock out on the tail?

Does anyone know what will happen when you run below 5.5 volts into the VR5203? I'm guessing the result is not what you would expect.

600N - Radix
2-in-one - Green light still lit
Spektrum AR7000
Spektrum VT5203 dual voltage regulator
502 gyro with 9254 tail servo

IT's what I do.

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02-10-2008 05:29 AM  10 years agoPost 2
Juggy

rrApprentice

Pomona, CA-USA

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if there is a problem, i believe there is more chance to be the align 2 in 1 unit. cause i lost my Hirobo twice because the tail lock out, and so does a friend of my, my green light is very green, after charge the EVO pack, i only fly it 4 times before it happens. not sure, but chance are great.

Fly the way i want => IRON NUT

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02-10-2008 12:10 PM  10 years agoPost 3
inkspot1967

rrProfessor

Cranston Ri

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the 2 in 1 puts out 5.8v to the cyclics and throttle servos and you didnt need the spectrum dual voltage reg, you only needed to get a stepdown on the tail servo. so you maybe drawing to much using the dual voltage reg with the 2 in 1. take of the dual voltage reg and put a 5.1v stepdown only on the tail servo.

the spectrum reg is made for 8volt high voltage battery systems

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02-10-2008 03:59 PM  10 years agoPost 4
nappyroots2182

rrElite Veteran

Moline, il

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so what and where can i get this regulator. im upset that i had to by a regulator just to find out i had to buy another reulator for the tail. dont make sense. cant they make it easy anymore. i wish i could just havnt spend all the money on my lipo setup and go back to a nicad pack. i wannted to test fly my bird in the next day or two but now im to scared the tail isnt protected. i ahve the VR regulator i put in between reciever and gyro. is this not good enough?

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02-10-2008 04:32 PM  10 years agoPost 5
inkspot1967

rrProfessor

Cranston Ri

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you can just make a step down just get a diode from radio shack and a short servo exstension and put it inline on the red wire. just make sure the diode is in the right direction they only work one way

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02-10-2008 04:48 PM  10 years agoPost 6
lugnutz

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trenton,nj

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why would you run both regulators,the spectrum allows you to drop the voltage to both gyro and tail so you can run your cyclic servos at 8 volts.

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02-10-2008 04:51 PM  10 years agoPost 7
darksidedave

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niles,MI

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Maybee he dont have ds8717's

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02-10-2008 05:01 PM  10 years agoPost 8
lugnutz

rrApprentice

trenton,nj

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but then why run the spectrum reg. no need

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02-10-2008 06:24 PM  10 years agoPost 9
drdot

rrElite Veteran

So. California, Orange County.

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fwiw..

Still need the step down for most tr/ servos...401 works fine on 6V, but Futaba t/r servos don't like high voltage...5.1 step down is only 5 bucks or less, not really an issue...

John.

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02-10-2008 08:40 PM  10 years agoPost 10
nappyroots2182

rrElite Veteran

Moline, il

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8717 cyclic
JR 770 gyro and servo
2 in1 regulator
FP3300mah 2s2p
so do i need something on my tail for a stepdown? i have the VR 5203 in between receiver and gyro on rudder and gain channel. so that should make tail servo come down?

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02-10-2008 08:49 PM  10 years agoPost 11
inkspot1967

rrProfessor

Cranston Ri

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if you have a 8717 on the throttle also you can take out the 2in1 and run the cyclics and throttle on direct 8v and just the spectrum reg for the gyro

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02-10-2008 08:51 PM  10 years agoPost 12
inkspot1967

rrProfessor

Cranston Ri

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i dont suggest running the 2in1 with 8717's they draw alot of amps.

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02-10-2008 09:17 PM  10 years agoPost 13
nappyroots2182

rrElite Veteran

Moline, il

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so i just wasted money geting the 2 in 1. i dont fly hard like most people. im out of money and want to fly. now i have to start over.i didnt know it was going to be over complicated like this. now i need to down grade my servos or spend more on more regulators for the tail and lose money on the 2 in 1 i have? should i go back to a raptor then. soory but im very frustrated as everyday i here completely different ways of building my heli. so now i toss my regulator out and lose the ignitor i wanted it for? this sucks

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02-10-2008 09:19 PM  10 years agoPost 14
floop

rrVeteran

Southern, NJ

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heli has 8717's but it wasn't ready to run 8v yet. So the Dual regulator was put in place and the step down was removed.

I believe the dual voltage reg cuts out when it hits it min input of 5.5 volts. And with the 8717's on the 2-in-1 I bet it will dip that low.

This should serve as a warning to those of us that think the Dual reg from Spektrum is cool. It is if you are going to run 8v crack. It's not if you are running 6v and just need a tail step down.

IT's what I do.

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02-10-2008 09:22 PM  10 years agoPost 15
inkspot1967

rrProfessor

Cranston Ri

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i cant say for certain but i believe the 2in1 cant be run with the 8717's hard so sport flying maybe ok, just hard 3d banging may draw to much.

the spectrum dual voltage reg is for high voltage systems only.

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02-10-2008 09:28 PM  10 years agoPost 16
inkspot1967

rrProfessor

Cranston Ri

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also im not to sure if the jr770 gyro can handle 8volts or not ,if it can then you can still just run the 8717's on 8volts and use the spectrum reg for the gyro and a for the throttle servo.

what servo do you have for the throttle?

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02-10-2008 10:45 PM  10 years agoPost 17
nappyroots2182

rrElite Veteran

Moline, il

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im running hs-81 on throttle. but thats on my 2 in 1. i can go 8717 i guess and sell my 2 in 1

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02-10-2008 10:47 PM  10 years agoPost 18
nappyroots2182

rrElite Veteran

Moline, il

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also my manual said gyro can handle up to 6.0v only.

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02-10-2008 10:53 PM  10 years agoPost 19
inkspot1967

rrProfessor

Cranston Ri

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best thing to do is:

take off the 2in1 sell it and get a switchglow for glow igniter

plug the gyro rudder lead into the spectrum reg
gain lead from gyro plugs into the rx either gear or aux2
plug the throttle servo into the spectrum reg
the 8717's will run at 8volts
the gyro/throttle will run at 5.2v by the spectrum reg

make a power lead going up to the rx with dual heavy duty wire leads with a deans connector like this. plug one lead in battery port and the other in a open channel.

no switch is needed just plug in the battery to fly then unplug it when done flying

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02-10-2008 11:09 PM  10 years agoPost 20
nappyroots2182

rrElite Veteran

Moline, il

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why can the gain lead plug into high voltage? other wise i might try to rewire the heli how you said. but i would like to put a switch on it also. i really want to leave body on to start it.

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