1/2 Scale 72" Mono - Page 6 - RC Groups
Thread Tools
Jun 03, 2012, 02:45 PM
Registered User
Next step is to order the motor so I know where the motor mount needs to go, as well as the speed controller.

I am going to go with the turnigy 4074-B-2000kv on (2) 3-cell 4000 to 5000mah. With the turnigy 180amp speed controller.
Sign up now
to remove ads between posts
Jun 03, 2012, 05:20 PM
Redneck Injuneer
bill34207's Avatar
If you're planning to run those 3s packs in series for 6s you may want to rethink that kv figure. That's more of a 4s motor. Something in the 1500-1700kv range is much better suited for 6s.
Latest blog entry: Freewing A-4E/F Skyhawk 80 mm
Jun 04, 2012, 02:27 PM
Registered User
I just looked again and your right it is a 4s motor. Thanks I would of smoked it and not known why.
Jun 04, 2012, 06:15 PM
Redneck Injuneer
bill34207's Avatar
If you were running the 3s packs in parallel to double up the MA and leaving voltage the same it would be fine. (maybe even a little low for 3s) But if running them in series for 6s you would need a lower kv. Anything from 1500 to 1700 shouldl be good for 6s depending on how much prop you plan to run..
With a bigger boat like that you will be better off with the higher voltage and lower kv motors.
Latest blog entry: Freewing A-4E/F Skyhawk 80 mm
Jun 04, 2012, 08:50 PM
Registered User
4082 or 4092?
Jun 04, 2012, 09:06 PM
Redneck Injuneer
bill34207's Avatar
A lot will depend on what you want it to do and keep in mind I have no real experience with Leopards. With a small prop (642-645) the 4082 1600 would be my choice for 6s. For more prop (452-455) The 4092 1390kv would be a better option. Try to stay with the Y winds since they run cooler.
Last edited by bill34207; Jun 08, 2012 at 05:25 AM.
Jun 05, 2012, 12:33 PM
Registered User
Bill what motors do you use?
Jun 05, 2012, 12:39 PM
Redneck Injuneer
bill34207's Avatar
Mostly Neu's and Castle's. Trying a pair of the HET 700-68 edf motors in my current Cheetah build. I've used the HET's in edf's many times with good results so decided to make a pair water cooled and see how it goes.
Latest blog entry: Freewing A-4E/F Skyhawk 80 mm
Jun 07, 2012, 08:18 AM
Registered User
is the turnigy 180 an ok speed controller to run the leopard motor on 6s? I'd like to run 4s and 6s eventually. Or should I not waste the $80 on it and put out the extra for the castle 240 ice which I think is $250.00.
Jun 07, 2012, 09:55 AM
Redneck Injuneer
bill34207's Avatar
The T180 is an excellent budget esc. I have a few of them in use myself. One that ran a Castle 1717 on 6s in my Sprintcat until I replaced the motor with a Neu 1527 to get better run times. (same esc still in use).
There's one in my 54" Arapaho driving a Leopard 5692 1000 kv (my only Lep motor) on 6s. Two more in the Cheetah I'm building.
There was a couple in the DF Explorer when I sold it. There was a couple in my old Expresscraft Thunderbolt when I sold it.
Good esc. Go for it.
Latest blog entry: Freewing A-4E/F Skyhawk 80 mm
Jun 07, 2012, 09:11 PM
Registered User
ok so it sounds like I will be just fine with that esc. Alright bill i've made up my mind i'm going with a leopard. I will look into which 40mm can I should get. If i remember correctly you told me to stay away from the D wind.
Jun 08, 2012, 02:21 PM
Registered User
ok after days of looking at specs and comments from everyone and videos of motor/esc setups, I have come to a conclusion. I will run a leopard 4082/2Y 1600KV motor with a turnigy 180amp esc on 4s first and work my way up to 6s. I am going to stay in the range of octura props x445 and x447 2 blade.

Sound good Bill?
Jun 08, 2012, 05:46 PM
Redneck Injuneer
bill34207's Avatar
That should work out OK. The 447 will most likely be your prop of choice.
Latest blog entry: Freewing A-4E/F Skyhawk 80 mm
Jun 09, 2012, 11:26 AM
Thermite + ice = Big boom.
boaterguy's Avatar
Have you bought the ESC yet? fightercat is selling off their 6S 300A esc's for 65$ or so, you could buy two for the price of the castle, they work well just keep the timing low.
Jun 12, 2012, 02:55 AM
Registered User
I haven't yet what's the url?


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Build Log 72" Mono Wood Frame TGKconnectors Dock Talk 9 Oct 03, 2011 11:16 PM
For Sale reduced again RTF 1:2.5 scale CNC-modellbautechnik Ka-1 MTT Aircraft - Sailplanes (FS/W) 0 Sep 11, 2011 03:49 PM
For Sale 1/72 scale desron48 Boats (FS/W) 0 May 15, 2011 01:07 PM
Discussion 1/72 Scale 2.4Ghz Full Proportional Throttle and Steering Control Conversion EQMOD Micro Cars 9 Apr 25, 2011 12:07 AM
Sold (2) 1/72 scale Custom Made Spitfires Butters Aircraft - Electric - Micro & Indoor Airplanes (FS/W) 4 Jan 30, 2010 04:15 PM