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Apr 10, 2016, 08:02 AM
I don't want to "Switch Now"
pmackenzie's Avatar
I don't know about the SM22, but I have several DS285 on 1S and no problems.
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Apr 10, 2016, 10:00 AM
a.k.a. Matt Nelson
MattN's Avatar
I've used SM22 on 1S. They work fine.
Apr 10, 2016, 11:02 AM
Aurora Builder
Flying a SM22 now on 1S, works fine. Servo is slower but you don't notice it. I have mine on the rudder. DS285 is a bit better, I.e faster. Only downside is the whole Taranis telem issue, so I'm moving to Airtronics 94800 on pull spring for elevator and either the same on rudder or a JR 185 or SM22
Apr 10, 2016, 12:06 PM
a.k.a Frank Campbell
Quote:
Originally Posted by samc99us View Post
Flying a SM22 now on 1S, works fine. Servo is slower but you don't notice it. I have mine on the rudder. DS285 is a bit better, I.e faster. Only downside is the whole Taranis telem issue, so I'm moving to Airtronics 94800 on pull spring for elevator and either the same on rudder or a JR 185 or SM22
What Taranis telem issue?
Apr 10, 2016, 12:43 PM
I don't want to "Switch Now"
pmackenzie's Avatar
Quote:
Originally Posted by VintageFan View Post
What Taranis telem issue?
Taranis telemetry causes buzzing and high current consumption with just about every JR digital servo I have tested.


I posted some numbers here, but not for the 285. Probably did not have any spare ones on hand that day.

https://www.rcgroups.com/forums/show...postcount=1847
Apr 10, 2016, 02:35 PM
a.k.a Frank Campbell
Thanks, now you mention it I recall seeing something about that. I thought you might have meant a problem with telemetry on 1S
Apr 10, 2016, 08:56 PM
Will fly for food
davidjensen's Avatar
Quote:
Originally Posted by jazz8388 View Post
My usual setup is to use a JR DS285 on the elevator
and an SM22 on the rudder. Can anyone share their
experience running them on 1S? I could not find a
minimum voltage spec listed.
My other components, Hyperion DS09 and
Spektrum 6255 both call out a minimum of 3.5v.

Thanks,
Steve
I have the same setup but use 2 D285's for the tail and AT 94802's for the ailerons. Works great on a 750 mah single.

For those who are concerned on how low a voltage your equipment is capable of its a moot point. Your single cell lipo should never get below 3.7v.
Apr 10, 2016, 09:50 PM
Launch high. Fly low.
http://www.ebay.de/itm/like/19181832...&ul_noapp=true

Really interested with this one.
Apr 11, 2016, 12:46 AM
Detail Freak
target's Avatar
Isn't that pretty big and heavy, even compared to a 1200 Turnigy round cell?

18650 = 18mm diameter x 65 mm long.
I would think you would want to keep things down to the 14500 size or smaller?
Greetings, Jun.

R,
Target
Apr 11, 2016, 12:56 AM
hass-alfed and bass-ackwards
carlsoti's Avatar
18650s are pretty big batteries. As far as that size goes, there are a lot better quality batteries available than the trustfire, ultrafire, etc. One benefit is that these are regularly used with personal vaporizer devices, so just about every shop that advertises "vape" products will have raw 18650s for sale. More about 18650s can be read here https://batterybro.com/collections/18650-battery
Apr 11, 2016, 01:11 AM
Registered User
Yeah, I would be a little skeptical about a 4200 mAh 18650 cell without seeing a discharge curve from a reputable source. I think the highest I've seen is around 3500.

I've been using a Sanyo 800 mAh 14500 cell. So far so good. Haven't checked recently to see if any higher capacity 14500 cells are out there now.

Tom
Apr 11, 2016, 01:53 AM
Registered User
glydrz's Avatar
I haven't gotten all scientific on the bench but I have been flying for over a year on 650 mAh 1s round cells with 285's on rudder 290's on elevator and 09's in the wings on my taranis with altimeter and low voltage warning set to squak @ 3.7 V and I get about 1.5 hrs flight time. It takes about another 20 mins to drop to 3.6 at which point the X4 rx and servos are still working but I have not run the battery further to see when things actually quit. I also have 188's in one of my Zens and it will go another 20 to 30 mins. before amber yells at me.


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