RCCrawler Forums

dezrik · 01-09-2011, 08:01 PM

Starting a new 1/5th Twin force axled base rig. I want go get the right electronics the first time around. open to suggestions, Ive been out of the game for at least 2 years and the entire hobby has changed

.

My goal specs:
Twin/Mad Force Axles stock width (14"ish?)
Rok Lok 4.0 on 40 series bl's (Narrowed)
Wheelbase: 20-24"
Overall width 10"
Overall Length 30"
Overall Height 8.6"
Tuber Frame.

on the Trans I want to be able to crawl and by the flip of a switch haul ass

. Dig would be sweet with this large of a truck.
Axial Trans with a dig setup
RC4WD R2 2-Speed Dig Transmission (Not sure if it will hold up to brushless power)
RC4WD Planetary -> T2 Disruptor
Emaxx Transmission

In the motor department I haven't decided if I wanna go brushed or brushless, Ive been looking at HH 7t puller.

Soya · 01-10-2011, 01:37 PM

Axial will break for sure. I suggest Emaxx, I use one in my big Twin Force. Just make sure you pick up some steel idlers as well. As far as crawling goes I would really recommend rear steer with a truck this big. If you wanted to keep the two speed you could mix the front and rear steering.

sweli · 01-10-2011, 02:15 PM

Emaxx or Summit trans for sure if you want shifting for speed or crawl. Not sure which is stronger.
Emaxx boxes have been around longer, and they make a LOT of brushless ready parts for it.

What nitro boxes can spin backwards without having to shift?
What did this guy do? Looks like he kept the nitro box and has a purchased adapter? Or is that an emaxx box?
http://www.rc-monster.com/forum/showthread.php?t=11168

Not sure how they like speed, but robot parts are prob better torque rated.
Check out some of the boxes available at Banebots. They have a MONSTER twin box.
http://banebots.com/c/PLANETARY

Almighty Malach · 01-10-2011, 03:14 PM

Summit trans, sensored brushless system on 4s minimum and rear steer. The summit tranny should hold up to anything you throw at it, and revo driveshafts bolt right up. An 18.5 brushless motor and mamba max pro would give you good wheelspeed and low end with the 2 speed trans

dezrik · 01-10-2011, 08:53 PM

Summit Trans sounds nice, I Just looked at em real good. There pretty inexpensive. How about a Servo that can turn the beast without having to go to 1/4 scale servos :o

sweli · 01-13-2011, 06:47 PM

Sorry, cannot reccommend standard sized high torque servos. There are quite a few by JR, Hitec and Futaba that are near or over 400oz of torque. But they will cost you $120+ new.
Quite a few in the classifieds in the $60-90 range.

My 1.9s I run Hitec MG645, but 120oz won't help you.

On my 1:9 JK I run a Hobbico CS-80 (Tower TS-80). It is quarter scale, but delivers 343oz for $32.
I bought two NIB with dust from sitting for a few years off RCuniverse classifieds for $40. I run them at 6.2v, so prob getting over 350oz for $20.

Soya · 01-14-2011, 01:01 AM

I use a CS-80 for the front on my twin force but use a massive GWS 777 for the rear. Want a 777 for the front too but just haven't gotten around to it.

dezrik · 01-15-2011, 10:17 AM

this is what I had in mind HiTec HS-7980TH

dezrik · 03-08-2011, 09:46 PM

Im going to run a CC MMP 1-Cell and a CC BEC wired directly to the hs7980, but just thought about how im going to power the reciever??? Can I jumper off the the bec wires going to the servo? or will that burn out my rx with amps being pulled by the servo?

trev0006 · 03-09-2011, 10:17 AM

Summit Trans are great, using it for a year with no issues.

01-09-2011, 08:01 PM	#1
dezrik Rock Crawler Join Date: Aug 2006 Location: Pinedale, WY Posts: 873	Super Electronic & Drivetrain Starting a new 1/5th Twin force axled base rig. I want go get the right electronics the first time around. open to suggestions, Ive been out of the game for at least 2 years and the entire hobby has changed . My goal specs: Twin/Mad Force Axles stock width (14"ish?) Rok Lok 4.0 on 40 series bl's (Narrowed) Wheelbase: 20-24" Overall width 10" Overall Length 30" Overall Height 8.6" Tuber Frame. on the Trans I want to be able to crawl and by the flip of a switch haul ass. Dig would be sweet with this large of a truck. Axial Trans with a dig setup RC4WD R2 2-Speed Dig Transmission (Not sure if it will hold up to brushless power) RC4WD Planetary -> T2 Disruptor Emaxx Transmission In the motor department I haven't decided if I wanna go brushed or brushless, Ive been looking at HH 7t puller.

01-10-2011, 01:37 PM	#2
Soya Quarry Creeper Join Date: Oct 2004 Location: illinois Posts: 433	Axial will break for sure. I suggest Emaxx, I use one in my big Twin Force. Just make sure you pick up some steel idlers as well. As far as crawling goes I would really recommend rear steer with a truck this big. If you wanted to keep the two speed you could mix the front and rear steering. Last edited by Soya; 01-10-2011 at 01:46 PM.

01-10-2011, 02:15 PM	#3
sweli RCC Addict Join Date: Jan 2008 Location: Lake Michigan Posts: 1,898	Emaxx or Summit trans for sure if you want shifting for speed or crawl. Not sure which is stronger. Emaxx boxes have been around longer, and they make a LOT of brushless ready parts for it. What nitro boxes can spin backwards without having to shift? What did this guy do? Looks like he kept the nitro box and has a purchased adapter? Or is that an emaxx box? http://www.rc-monster.com/forum/showthread.php?t=11168 Not sure how they like speed, but robot parts are prob better torque rated. Check out some of the boxes available at Banebots. They have a MONSTER twin box. http://banebots.com/c/PLANETARY

01-10-2011, 03:14 PM	#4
Almighty Malach RCC Addict Join Date: Feb 2008 Location: Crawlerado Posts: 1,411	Summit trans, sensored brushless system on 4s minimum and rear steer. The summit tranny should hold up to anything you throw at it, and revo driveshafts bolt right up. An 18.5 brushless motor and mamba max pro would give you good wheelspeed and low end with the 2 speed trans

01-10-2011, 08:53 PM	#5
dezrik Rock Crawler Join Date: Aug 2006 Location: Pinedale, WY Posts: 873	Summit Trans sounds nice, I Just looked at em real good. There pretty inexpensive. How about a Servo that can turn the beast without having to go to 1/4 scale servos :o

01-13-2011, 06:47 PM	#6
sweli RCC Addict Join Date: Jan 2008 Location: Lake Michigan Posts: 1,898	Sorry, cannot reccommend standard sized high torque servos. There are quite a few by JR, Hitec and Futaba that are near or over 400oz of torque. But they will cost you $120+ new. Quite a few in the classifieds in the $60-90 range. My 1.9s I run Hitec MG645, but 120oz won't help you. On my 1:9 JK I run a Hobbico CS-80 (Tower TS-80). It is quarter scale, but delivers 343oz for $32. I bought two NIB with dust from sitting for a few years off RCuniverse classifieds for $40. I run them at 6.2v, so prob getting over 350oz for $20.

01-14-2011, 01:01 AM	#7
Soya Quarry Creeper Join Date: Oct 2004 Location: illinois Posts: 433	I use a CS-80 for the front on my twin force but use a massive GWS 777 for the rear. Want a 777 for the front too but just haven't gotten around to it.

01-15-2011, 10:17 AM	#8
dezrik Rock Crawler Join Date: Aug 2006 Location: Pinedale, WY Posts: 873	this is what I had in mind HiTec HS-7980TH

03-08-2011, 09:46 PM	#9
dezrik Rock Crawler Join Date: Aug 2006 Location: Pinedale, WY Posts: 873	Im going to run a CC MMP 1-Cell and a CC BEC wired directly to the hs7980, but just thought about how im going to power the reciever??? Can I jumper off the the bec wires going to the servo? or will that burn out my rx with amps being pulled by the servo?

03-09-2011, 10:17 AM	#10
trev0006 Newbie Join Date: Mar 2011 Location: burb, ca Posts: 7	Summit Trans are great, using it for a year with no issues.

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