Espritmodel.com Telemetry Radio
Reply
Thread Tools
This thread is privately moderated by flint723, who may elect to delete unwanted replies.
Old Feb 01, 2013, 02:18 PM
Registered User
United States, ND, Bismarck
Joined Mar 2012
296 Posts
Build Log
12s Protos 500

So I finally got my 12s Protos in the air today. I didn't go 12s for more power, just for efficiency and the ability to share packs with my 6s 450. And maybe just to do something a little different. Here's the setup:

Stretched plastic Protos w/ low fbl head
RJX 470mm mains
Savox 1250mg's and a ds650 on a LiFe unregulated
AR7200bx
Kontronik Kora 25-16 420kv (220g) with the MSH long motor shaft & 13t pinion
Ice2 HV 40a
(2) Nanotech 1300mah 35c 22.2v packs (217g each)

I run low head speed (2300) on this because it's plastic and for longer flight times. It has plenty of power for what I want it to do (not smack 3d). I had landed in the middle of the maiden flight just to check motor and esc temps. Both were just barely warm. Although the 28F ambient temp probably helped. As far as power, it seemed to have more than when on 6s, but not that much difference really. But I had the 3226-900kv before which is a beast. The log says there was less bogging than with 6s though, On 6s the gov maintained it within +/-200 rpm of requested rpm and on 12s it maintained it within +/-150 rpm. The flights were not extremely demanding but I did plenty of pitch pumps, loops, and tic-tocs, so I don't expect to see much higher amp peaks than what's on the graphs. It pulled 8a in a hover, 10a avg, and 26.6a peak. The first flight was 4.5 min (3.8v/cell) and I put 750mah back in, so I used about 60%. 2nd flight I did 5 min (3.78v/cell) and put back in (unknown yet).

So far I am happy with this mod and it wasn't even very expensive. Motor was $133 shipped directly from Kontronik and the esc was like $85 shipped from neumotors.com.

Maiden esc log:
http://i.imgur.com/cVMYDjH.jpg
2nd flight esc log:
http://i.imgur.com/AD93gwa.jpg
flint723 is offline Find More Posts by flint723
Reply With Quote
Sign up now
to remove ads between posts
Reply

Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Sold The Ultimate MSH Protos 500 (2 kits) Heli PACKAGE hoverover Aircraft - Electric - Helis (FS/W) 5 Jan 14, 2013 08:47 PM
Sold Stretched Carbon Fiber Protos 500 Airframe with CF Blades $210 shipped Bonestockz06 Aircraft - Electric - Helis (FS/W) 0 Jan 07, 2013 08:51 PM
Wanted Want to trade Stretch Carbon Protos 500 for Quad Bonestockz06 Aircraft - Electric - Multirotor (FS/W) 0 Jan 06, 2013 08:54 PM
For Sale Protos 500 parts joliecoeur13 Aircraft - Electric - Helis (FS/W) 3 Jan 06, 2013 02:08 AM
For Sale Stretched Carbon 500 Protos W/ Hyperion Motor and Xtras Angry Bird Aircraft - Electric - Helis (FS/W) 0 Jan 02, 2013 07:07 PM