Thread Tools
Old Sep 12, 2003, 05:25 PM
lagcisco is offline
Find More Posts by lagcisco
Registered User

brushed power system for a 40sized profile

ive got like 5 6-cell packs of 1700nicads
how many cells would I need to power a 40sized profile with these nicads and a brushed power system?

what kind of prop, gearbox and ESC would I need aswell?
Sign up now
to remove ads between posts
Old Sep 12, 2003, 05:43 PM
larsy87 is offline
Find More Posts by larsy87
Lookin' Good. Real Good.
larsy87's Avatar
A big one.

I think burshles is what you need when your're wa up there in power needness.
Old Sep 13, 2003, 10:17 AM
henke is offline
Find More Posts by henke
310mph Kolibri T25 Swist
henke's Avatar

Are those 4/5 SC, or the full size Sub C cells?

you will only get 4min flights with good power from those 1700mAh cells

I would reccomend a Hacker B40 10L 4,4:1 14x7 on 12cells.

or split the cells and make 10cell packs, and run a B40 8L 4,4:1 13x6,5 or 14x7. I use that setup in my diablotin mini super.

it would pull a profile very well... use contest balsa, and buldt light, you will easily reach down to 3,5lb

Old Sep 13, 2003, 12:40 PM
lagcisco is offline
Find More Posts by lagcisco
Registered User
hmm i think they are Sub C cells, the same kind of cells used for RC car racing packs, mine are all matched packs
Old Sep 30, 2003, 04:07 PM
ericfly is offline
Find More Posts by ericfly
Registered User
ericfly's Avatar

Brushed motors

Try a twin-600 on a 3:1 gearbox, or twin 13-turn quad (or something close) on a 5:1 gearbox (twin means two motors in the same gearbox), and try 11x6 electric prop.
Old Sep 30, 2003, 05:19 PM
jrb is offline
Find More Posts by jrb
jrb's Avatar
Here’s a “What works list” for an economical way to fly a 40ish plane on 12 cells/ two RC Car “Six Packs” (about 33 amps, 6 minutes plus duration w/2000s):

Jeti 35 (350) ESC – 12 cells & BEC:

Propeller APC “E” 13x10:

Trinity Maxx Mild (not the Wild!):

When brushes are needed do this,
Brush upgrade to 5x5:

Spare armature:

Gearbox -- 3.5:1:

Master Airscrew Gearbox:

Great Planes Gearbox:
Pinion required – 13T 48 pitch



Always best to buy Sanyo you can see:

Something cheap like this might work; I flew an E-Maxx boxed set of 2000 packs that were supposed to be Sanyo, they flew like Duratrax Sanyos:

I’ve flown the red, white, and blue plane below with the above; Global’s 56” American Flyer a heavy .40 ARF. The other are my other 40 ARF conversions, see my gallery:
Last edited by jrb; Sep 30, 2003 at 05:48 PM.
Old Sep 30, 2003, 10:15 PM
shaneyee is offline
Find More Posts by shaneyee
Registered User
shaneyee's Avatar
How about the Dewalt 14.4V or 18V motors? They are cheap and powerful altough a bit heavy. An MEC Superbox or a ModelAirtech belt drive on the front....

Old Oct 01, 2003, 05:31 AM
lagcisco is offline
Find More Posts by lagcisco
Registered User
wow thanks for all the details jrb, youve really made this alot easier now!

Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Wanted Brushed power system for 100" glider nakman8 Aircraft - Electric - Power Systems (FS/W) 12 Apr 17, 2006 06:50 PM
Servos and power system for XL3200? jshelton Electric Sailplanes 23 Oct 13, 2002 08:43 AM
Best power system for the Hobby Lobby Champion? Jason M Parkflyers 6 Oct 05, 2001 03:11 PM
power system for akromaster gponder Control Line 3 May 22, 2001 09:10 AM
Suggestions for Power System for Robbe K-rat TThroop Electric Sailplanes 1 May 10, 2001 06:47 PM