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03-12-2010 03:03 PM  8 years agoPost 1
brettman

rrApprentice

SOUTH DAYTONA FL.. u.s.a.

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Hi, iv'e been running all my planks on 6-volt for over 6 years now with both jr. and futuba standard servo's with no ill affects at all,maybe a little fast not jittery for the first 30 seconds that's it.but I'm a little sceptical with mini servo's whats your experiences with this? I pulled the blue cap off of the u-bec and put it on the other two pins theres three pins and the cap has two female bridge connectors,and didn't really notice any difference.I have 3-hs65 's and a jr 290g on the tail of my king 3.does it affect the flight time's? etc....I did a serch and ppl with 2-3 flights were commenting no problems give me a break one guy said he only had one flight,so there seems to be no real info on the web.

thanx BRETT

ps that was 5 cell no regulator for 6-years no problems

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03-12-2010 05:34 PM  8 years agoPost 2
Gregor99

rrElite Veteran

Western Wa

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All my heli's run 6v to the Rx, and cyclic servos. 3 of them require a step down device for the rudder servos because they are only rated for 4.8v. On the 4th, the rudder servo is rated for 6v.

The 4.8v rating is based on unregulated batteries. So actual peak voltage is a little higher. There are many that run thier rudder servos at 6.0v even when the mfg only rates them for 4.8v. However I prefer to stick to the mfg rating.

On my HBK2, due to space limitations, I use a diode soldered inline on the servo wire. On the other's I use a step down like this one, which is a diode on a board with servo connectors.

http://www.helidirect.com/western-r...tage-p-4665.hdx

Revolectrix Beta Team

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03-12-2010 05:54 PM  8 years agoPost 3
brettman

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SOUTH DAYTONA FL.. u.s.a.

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thanks for the come back cregor 99.I'm running a jr-290 with a 401b gyro so i should be alright running 6-volt back there too right?without any step back.hs65's on swash.

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03-12-2010 06:08 PM  8 years agoPost 4
Heli_KV

rrKey Veteran

Ottawa, Canada

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I run all on 6v, except some tail servos.

HS 65, Inolab 202.

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03-12-2010 06:17 PM  8 years agoPost 5
Gregor99

rrElite Veteran

Western Wa

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The JR DS290 and HS65 are both rated for 6v so you are good to run all electronics at 6v. No step down needed. Easy-peasy.

Revolectrix Beta Team

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03-12-2010 06:29 PM  8 years agoPost 6
tryan02

rrProfessor

Canton, Missouri

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I run 5.9V.

No Really I am the club President!!!

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03-12-2010 08:46 PM  8 years agoPost 7
brettman

rrApprentice

SOUTH DAYTONA FL.. u.s.a.

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thanks heli kv where's the easiest place to check voltage without possible short . the u-bec it looks like you just change blue jumper location

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03-13-2010 12:27 AM  8 years agoPost 8
Heli_KV

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Ottawa, Canada

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Just follow manufacturer instructions and it will be OK. I never checked voltage.

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03-13-2010 01:36 AM  8 years agoPost 9
Gregor99

rrElite Veteran

Western Wa

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I use an old servo wire. Cut the servo off it leaving the servo connector. Then attach the multimeter to the bare wires. I cut the positive and negative at different lengths so the aligator clips on the multimeter leads won't touch.

Checking voltage is only required if you don't trust the mfg, or manually setting the output voltage of the BEC as with some of the Align ESCs.

Revolectrix Beta Team

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03-13-2010 06:51 AM  8 years agoPost 10
brettman

rrApprentice

SOUTH DAYTONA FL.. u.s.a.

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that sounds like a great way safe and all thanx.Its not a matter of trust i just don't know ,and it dosn't tell you in the directions what to do ,change jumper position,pull it off completely etc etc this way ill know for sure.I cant beleive there not in the directions but it isn't

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03-13-2010 03:50 PM  8 years agoPost 11
fenderstrat

rrProfessor

Aston,Pa

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LOL the 4.8V unregulated vs 6v regulated debate is squarely in the spectrum/futaba,elec/nitro,ford/chevy,ginger/maryann area,it will go on forever with people on both sides chiming in and no real winner
does it affect the flight time's?
I think with micro servo we are talking about very small ammounts of current so i dont know if you would be able to tell,even if you flew 2 identical flights timed to the exact second,but THEORETICALLY you should get MORE flight time as a higher V will draw LESS current,and if you are drawing less current for the electronics,it SHOULD be more for the flight,but as said we are talking MILLI amps here over a few min of time,but running at 6v will get you more torque and speed

Compass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD

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03-13-2010 04:50 PM  8 years agoPost 12
Gregor99

rrElite Veteran

Western Wa

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LOL the 4.8V unregulated vs 6v regulated debate is squarely in the spectrum/futaba,elec/nitro,ford/chevy,ginger/maryann area,
The big difference is that manufactures have stated a supported voltage for a servo. Many modlers try the higher voltage and if it doesn't burn out the servo on the first flight, they will claim success. With the other pointless debates, there's no manufacture's guidance being ignored.

The other dangerous variant of this is the users claim moving to 6v solved some issue with thier tail (blow out, bounce, wag etc). The truth is that if moving the servo to 6v solved the issue, the servo was already close to its usage specs (speed/torque). Moving to 6v if the servo is not seeing alot of load is safer than needing to move to 6v to accommodate the load. The right thing to do is move to a better servo.

PS: Maryann!

Revolectrix Beta Team

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03-13-2010 06:20 PM  8 years agoPost 13
!2Old2Fly

rrKey Veteran

North Bend, WA

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Maryann

Yet Anohter IT Worker

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03-13-2010 08:04 PM  8 years agoPost 14
fenderstrat

rrProfessor

Aston,Pa

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The big difference is that manufactures have stated a supported voltage for a servo
yes but manufacturers often(actually I have never seen any) do not say whether their specs are regulated or not as in what are the LIMITS,this is where most of the confusion comes in.as a "4.8v" servo can be run on a pack that is as much as 5.7-5.8V fresh off the charger, at that point is another .2V going to be the end of the servo.add to this that a BEC's 6V output may be 5.8-6V and you get into a "whats the difference" area

Compass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD

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