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HomeScaleAircraftScale HeliScale Helicopter Main Discussion › 2s Lipo + Regulator
10-10-2011 05:12 PM  7 years agoPost 1
Jockobadger

rrApprentice

Snoqualmie, Washington USA

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Hi All,

I'm just getting ready to start my first scale build. I intend to do build log, though I know you've all seen a bunch of them. It'll be good practice for when I do my 206 which is going to require a bunch of modding, etc. I'm even going to invest in a new camera so I can take pics/vid straight into my computer. Anyway, here's my question:

I have two Kontronik esc's I could use. 1 Jazz 55-10-32 and 1 Jive 80HV. I had intended to use the Jive b/c of bec, but now I'm thinking of using that for something else. If I use the Jazz, which doesn't have a BEC, I need to power the system (doh!) I've used the castle BEC'S in my smaller birds, but never in one this size. I'm thinking of going with a separate battery and will need a regulator. What do you guys do? What battery? What regulator? Any tips/tricks? Thanks very much.

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10-10-2011 05:27 PM  7 years agoPost 2
BarracudaHockey

rrMaster

Jacksonville FL

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If it were me, I'd use an A123 pack and step down the tail servo if its not 6v rated.

Andy
AMA 77227
http://www.jaxrc.com

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10-10-2011 05:37 PM  7 years agoPost 3
heliwreckr

rrApprentice

Battle Creek, Taxigan

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Fromeco.org i use their "Arizona Regulator" and "Wolverine" Switches

JR has a 2.4Ghz receiver with regulator for 2s lipo built in

It's not crashed 'til it hits the ground

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10-10-2011 06:04 PM  7 years agoPost 4
Mojave

rrElite Veteran

Palos Verdes, Ca. USA

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First you should tell us what servos you are using. If you're running the new DS610-650 series, then u can use 6V across the board. I am using Arizona and perfect regs in all but 1 heli. The voltage is adjustable up/down from 5-8 volts and they are both 2S lipo friendly. Both units also have an optional 5.1V step down for a tail servo built in if you need lower voltage. Also, it's a better practice to run a seperate power supply for the electronics. That way if you have an esc failure, you will still have control of the heli during an auto.
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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10-10-2011 06:32 PM  7 years agoPost 5
Jockobadger

rrApprentice

Snoqualmie, Washington USA

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Thanks for the replies, men.

I'm intending to run JR DS8717's for the cyclic and a DS8900g for the tail. I'm using these because they're what I had on hand. Would you guys recommend otherwise? I use a Spektrum DX8 - are all 2.4 rx's compatible? (probably a dumb question) Anyway, thanks for your help. Mojave - I like the idea of built-in system separation and redundancy where possible. It's a maxim in my business and it makes sense in expensive pieces of equipment (even fun equipment.) Badger

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10-10-2011 07:12 PM  7 years agoPost 6
BarracudaHockey

rrMaster

Jacksonville FL

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All JR/Spektrum receivers are compatable with your DX8 (DSM2 and DSMX) the AR6000 one isn't.

None of the Futaba or other brands are compatable unless you're going to look at a Hobby King 10 dollar clone but I personally wouldnt run one of them on anything but a foamy.

Andy
AMA 77227
http://www.jaxrc.com

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10-10-2011 07:27 PM  7 years agoPost 7
Mojave

rrElite Veteran

Palos Verdes, Ca. USA

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What size scale heli, how many blades? Throw us some more bread crumbs so we can put the puzzle together. The DS8717 and 8900G are both great servos, but the 8717's may be overkill for your application. I'm putting 8717's in my Schweizer 300 build, 3 blade head with 800mm blades.
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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10-11-2011 12:34 AM  7 years agoPost 8
Jockobadger

rrApprentice

Snoqualmie, Washington USA

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Hi Mojave, et al.,
Thanks again for all of your replies! This is a Century Bell 47G with Blades = 600mm scale blades from skyhunter. I may switch to FBL blades as I've heard they work better. 6s 5100mah (probably in parallel fpr longer run times and to help balance the bird.) As for the gear ratio, I'll using the stock stuff to begin with. I think the pinion gear is 26 - not sure about the rest of the train. I'll find out. My motor is Tango 45-07 (KV-720) and the speedo is either a Kont JAZZ 55-1-0-31 (opto) or a Jive 80+HV. I'm still toying with that..... Any advice? My plan is to try for HS of 1400 to 1500. I think I should be close, but can tinker with pinions if necessary. Any help/suggestions/editorializing/etc. is much appreciated.

Got a new camera today to memorialize the build. The Century kit should be here tomorrow. Ordered graphics from Callie. Can't wait.

Badger

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