RCCrawler Forums

thelmuffinman32 · 07-13-2008, 03:36 PM

I'm probably the only one to have screwed this up, but after I did it when I went "forward" on my radio, the truck would go backwards. I reversed the throttle via the transmitter and now it goes faster in reverse and I have to tap twice to get it to go forward, what the heck did I do wrong?

Harvo · 07-13-2008, 04:28 PM

Can you take a pic? It sounds like you flipped the motor backwards with the tranny. A buddy of mine did that after I tried to explain the mirror flip on the phone. He actually ended up with the motor on the opposite side but turned around too. (Not a mirror flip). If you want to leave it, I guess you could reverse your wires and put your radio back to normal. Then the only thing going backwards is your motor... and it doesn't really care.

If that is not what happened.. then Idunno....

thelmuffinman32 · 07-14-2008, 09:39 AM

Got you guys some pics to help me out:

Thanks alot for all your guys's help!
P.s. Excuse the wiring, it's only temporarily messy.

cpd438 · 07-14-2008, 10:11 AM

Shoot! Just move your steering gear to the other axle and you're set! (Always thinking outside the box!)

Or you can go the convential way and just rotate ur tranny 180*. You did the mirror correctly, you just got the tranny in backwards.

Robbob · 07-14-2008, 10:18 AM

Quote:

Originally Posted by thelmuffinman32

I'm probably the only one to have screwed this up, but after I did it when I went "forward" on my radio, the truck would go backwards. I reversed the throttle via the transmitter and now it goes faster in reverse and I have to tap twice to get it to go forward, what the heck did I do wrong?

You need to reverse the WIRES on your motor, not your radio settings.

OR

flip your belly tray around and mount the tranny with the spur to the BACK and leave your motor wired normally.

crappy picture but should give the idea. with it this way the motor is wired normally ( red + black - )

[IMG]

[/IMG]

thelmuffinman32 · 07-14-2008, 10:31 AM

I'll just flip the tray/tranny mount thing around 180*, thanks alot guys!

thelmuffinman32 · 07-14-2008, 11:12 AM

WOW, it drives MUCH better! Not trying to thread jack, but do you guys have any other tips for lowering the cog on this thing?

helhedded · 07-18-2008, 11:38 AM

I must add that this mod is awesome! I was only able to drive it for a few minutes due to messed up yolks (long story), but I could tell that the weight transfer was alot smoother, maybe even non-existent.

thanks a bunch EeePee!!

mulepic · 07-26-2008, 08:06 PM

I just did this mod and it helped a lot with torque twist. Thanks!

EeePee · 07-27-2008, 08:31 AM

Well that's good to hear guys, glad it's working out for yas.

I'm building me another AX10 and took a couple shots of the mirrored tranny mounted on a TCS skid, with the CDW 6mm outputs, and with the baddest motor out there.

Harvo · 07-27-2008, 09:24 AM

What's the plan for this one? I figured after you built your cheater truck, you wouldn't mess with these anymore...

EeePee · 07-27-2008, 02:32 PM

Well you're right, as far as comps go, and being serious, it's all about the cheaters. But as far as having fun goes, shafts are the shit. I'll show and tell later when I'm further along.

Joiner · 07-27-2008, 03:25 PM

You may hate me for this but..
Building my first crawler ARTR Ax-10, seasoned Rc'er who can't leave anything stock. Already torn the truck apart and fabbing 4 link plates/battery holder w/ servo mount. While I have the tranny out I was thinking of doing this mod. I hope I understand the torque twist tries to lift the passenger tire up in driving? So putting the motor up front helps the weight and makes the rotating work in favor of keepin that side down?
When doing the mod just have to be sure motor rotates the right direction. One last question.... I'm running the Rooster(crawler) 55t novak motor will these accept this direction change?

EeePee · 07-27-2008, 04:09 PM

Quote:

Originally Posted by Joiner

I hope I understand the torque twist tries to lift the passenger tire up in driving? So putting the motor up front helps the weight and makes the rotating work in favor of keepin that side down?

Right. More about the weight I'd say than rotating though. The driveshaft/pinion gear is still trying to climb the ring gear.

Quote:

Originally Posted by Joiner

I'm running the Rooster(crawler) 55t novak motor will these accept this direction change?

There is no direction change. The motor is still rotating the spur gear the same direction, but from the other side, not the driver's side, but the passenger's side.

Joiner · 07-27-2008, 05:01 PM

Just did this mod. In a matter of days this will become standard on all rigs. Thanks for your help and pateince. Sticky this now!!

EeePee · 07-27-2008, 08:39 PM

Quote:

Originally Posted by Joiner

In a matter of days this will become standard on all rigs.

I started the thread in March.

Jeepernick · 07-27-2008, 09:24 PM

I love how a noob can bring a half year old thread back to life all by himself

R2D tranny OWNS

EeePee · 07-28-2008, 04:37 AM

Quote:

Originally Posted by Jeepernick

R2D tranny OWNS

Try, Bergs own.

Jeepernick · 07-28-2008, 08:45 AM

Quote:

Originally Posted by EeePee

Try, Bergs own.

Nah I like giving Bergs the shaft still..................... not taking it

I have only seen one berg in real life and it was sitting on a glass top and never seen one on the rocks.... so I dont really know what they can do

Ive seen the videos and im sure they are all like Hollywooded out, cut and edit bigger rocks in and such

plus berg axles are $$$$

raceplus · 08-04-2008, 04:40 PM

Since torque twist is such a big issue, why would the maufacturers build the tranny that way? Why not build it mirrored and market it as a better crawling setup??

07-27-2008, 03:25 PM	#53
Joiner Newbie Join Date: Jul 2008 Location: Mission B.C. Posts: 7	mirror tranny You may hate me for this but.. Building my first crawler ARTR Ax-10, seasoned Rc'er who can't leave anything stock. Already torn the truck apart and fabbing 4 link plates/battery holder w/ servo mount. While I have the tranny out I was thinking of doing this mod. I hope I understand the torque twist tries to lift the passenger tire up in driving? So putting the motor up front helps the weight and makes the rotating work in favor of keepin that side down? When doing the mod just have to be sure motor rotates the right direction. One last question.... I'm running the Rooster(crawler) 55t novak motor will these accept this direction change?

07-27-2008, 05:01 PM	#55
Joiner Newbie Join Date: Jul 2008 Location: Mission B.C. Posts: 7	Tranny rev Just did this mod. In a matter of days this will become standard on all rigs. Thanks for your help and pateince. Sticky this now!!

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07-13-2008, 03:36 PM	#41
thelmuffinman32 Newbie Join Date: Jun 2006 Location: A town in Posts: 8	I'm probably the only one to have screwed this up, but after I did it when I went "forward" on my radio, the truck would go backwards. I reversed the throttle via the transmitter and now it goes faster in reverse and I have to tap twice to get it to go forward, what the heck did I do wrong?

07-13-2008, 04:28 PM	#42
Harvo I wanna be Dave Join Date: Mar 2008 Location: In the Dark Edges of your Mind Posts: 6,386	Can you take a pic? It sounds like you flipped the motor backwards with the tranny. A buddy of mine did that after I tried to explain the mirror flip on the phone. He actually ended up with the motor on the opposite side but turned around too. (Not a mirror flip). If you want to leave it, I guess you could reverse your wires and put your radio back to normal. Then the only thing going backwards is your motor... and it doesn't really care. If that is not what happened.. then Idunno....

07-14-2008, 09:39 AM	#43
thelmuffinman32 Newbie Join Date: Jun 2006 Location: A town in Posts: 8	Got you guys some pics to help me out: Thanks alot for all your guys's help! P.s. Excuse the wiring, it's only temporarily messy.

07-14-2008, 10:11 AM	#44
cpd438 Pebble Pounder Join Date: Jun 2008 Location: Gilbert Posts: 125	Shoot! Just move your steering gear to the other axle and you're set! (Always thinking outside the box!) Or you can go the convential way and just rotate ur tranny 180*. You did the mirror correctly, you just got the tranny in backwards.

07-14-2008, 10:31 AM	#46
thelmuffinman32 Newbie Join Date: Jun 2006 Location: A town in Posts: 8	I'll just flip the tray/tranny mount thing around 180*, thanks alot guys!

07-14-2008, 11:12 AM	#47
thelmuffinman32 Newbie Join Date: Jun 2006 Location: A town in Posts: 8	WOW, it drives MUCH better! Not trying to thread jack, but do you guys have any other tips for lowering the cog on this thing?

07-18-2008, 11:38 AM	#48
helhedded I wanna be Dave Join Date: Nov 2007 Location: Memphis Posts: 4,786	I must add that this mod is awesome! I was only able to drive it for a few minutes due to messed up yolks (long story), but I could tell that the weight transfer was alot smoother, maybe even non-existent. thanks a bunch EeePee!!

07-26-2008, 08:06 PM	#49
mulepic Quarry Creeper Join Date: Jun 2008 Location: phx Posts: 208	I just did this mod and it helped a lot with torque twist. Thanks!

07-27-2008, 08:31 AM	#50
EeePee MODERATOR™ Join Date: Jul 2004 Location: Ohio Posts: 18,928	Well that's good to hear guys, glad it's working out for yas. I'm building me another AX10 and took a couple shots of the mirrored tranny mounted on a TCS skid, with the CDW 6mm outputs, and with the baddest motor out there.

07-27-2008, 09:24 AM	#51
Harvo I wanna be Dave Join Date: Mar 2008 Location: In the Dark Edges of your Mind Posts: 6,386	What's the plan for this one? I figured after you built your cheater truck, you wouldn't mess with these anymore...

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07-27-2008, 02:32 PM	#52
EeePee MODERATOR™ Join Date: Jul 2004 Location: Ohio Posts: 18,928	Well you're right, as far as comps go, and being serious, it's all about the cheaters. But as far as having fun goes, shafts are the shit. I'll show and tell later when I'm further along.

07-27-2008, 09:24 PM	#57
Jeepernick RCC Addict Join Date: Oct 2005 Location: $t. Helen$, OR Posts: 1,082	I love how a noob can bring a half year old thread back to life all by himself R2D tranny OWNS

08-04-2008, 04:40 PM	#60
raceplus Pebble Pounder Join Date: Jul 2008 Location: Phoenix, AZ Posts: 130	Since torque twist is such a big issue, why would the maufacturers build the tranny that way? Why not build it mirrored and market it as a better crawling setup??

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Thread: Mirror Imaged Transmission