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-   -   Some Q's on lst2 conversion (https://www.rc-monster.com/forum/showthread.php?t=24024)

jzemaxx 10.16.2009 11:36 AM
Quote:
Originally Posted by pinkpanda3310 (Post 327571)
Nice truck jzemaxx. Are you using the stock drive shafts from the gearbox? Is the gearbox from 3905? I like how it removes the spur and slipper from hanging over the side. It doesn't look like it would be to difficult to do either.
Good one :yes:
The tranny is from the E-revo. As for the shafts...they are stock.

jzemaxx 10.16.2009 11:40 AM
Quote:
Originally Posted by lincpimp (Post 327576)
My main issue with ditching the stock lst tranny for the 3905 unit is that you then introduce torque twist from the motor perpendicular to the tire axis. Maybe a minor concern but i like how the chassis does not lean under hard acceleration and braking. Plus i think the lst tranny is stronger than the emaxx. I do not like the long input shaft end that sticks out when using the tdr hub and spacer, so I plan to thread the shaft and find a larger thrust bearing so I can eliminate 1" or so of it. I also plan to modify the gear cover to fit back on as well. That is my only issue with the driveline on the lst, the rest is great!
No problem with torque twist so far with the setup. Ran its first race this past weekend, and TQ'ed and won the main. Went faster first time out then my Revo did all year. The Revo won many races this year and I still love it, but this thing flat out outhandles, out turns and out jumps the revo. As for the E-revo trans, I have yet to see one break. I have ran alot more power through these tranmissions then I currently am running now.


The Revo.... http://www.rc-monster.com/forum/showthread.php?t=19479

lincpimp 10.16.2009 11:49 AM
Glad you are having good racing success with the LST. Those big shocks sure do smooth out rough areas. I have been much more impressed with the lst handling than the revo, which is surprising to me as the revo is lighter and has "super extra gangster" suspension design. I guess the big shocks and losi geometry just works better, huh!

jzemaxx 10.16.2009 11:54 AM
Quote:
Originally Posted by lincpimp (Post 327585)
Glad you are having good racing success with the LST. Those big shocks sure do smooth out rough areas. I have been much more impressed with the lst handling than the revo, which is surprising to me as the revo is lighter and has "super extra gangster" suspension design. I guess the big shocks and losi geometry just works better, huh!
My LST2 is .2lbs lighter then my Revo. If you look closely, my LST2 is not using stock shocks. They are 8T 2.0 shocks, Carbon Fiber 8T shock towers and swapping to the E-revo tranny saved ALOT of weight. Also I have droop screws on mine which makes a HUGE difference in handling as I can alter droop for different tracks. Essentially this truck is nothing more then a MT truggy...lol

Bondonutz 10.16.2009 11:59 AM
Nice mods to the LST, glad it's working well.
I have a Carbon fiber chassised LST as well thinking of incorperating a CD in with RCM motor mount. One of my many "next" builds.

jzemaxx 10.16.2009 12:06 PM
Quote:
Originally Posted by Bondonutz (Post 327591)
Nice mods to the LST, glad it's working well.
I have a Carbon fiber chassised LST as well thinking of incorperating a CD in with RCM motor mount. One of my many "next" builds.
This truck is set on the XXL wheelbase. The guy I bought the truck from did a extensive build on it. The entire truck is Carbon Fiber.

suicideneil 10.16.2009 12:13 PM
Droop screws?

jzemaxx 10.16.2009 12:16 PM
Quote:
Originally Posted by suicideneil (Post 327595)
Droop screws?
Yes it lets you limit suspension travel downward for tuning turn in, rough sections of the track and rotation of the truck. All your pro truggy's and buggys's have them. No MT that I know of has them.

suicideneil 10.16.2009 12:59 PM
I had to look that up- interesting for sure.

Bondonutz 10.16.2009 01:23 PM
Quote:
Originally Posted by jzemaxx (Post 327594)
This truck is set on the XXL wheelbase. The guy I bought the truck from did a extensive build on it. The entire truck is Carbon Fiber.
Probably one of, if not the first CF XXl then ? Cool.:great:

jzemaxx 10.16.2009 01:28 PM
Quote:
Originally Posted by Bondonutz (Post 327608)
Probably one of, if not the first CF XXl then ? Cool.:great:

Yeah pretty much. Its stupid fast and handles unreal. I always thought my Revo would be hard to beat, but this sucker takes the cake.

The diffs are 40K front, and 7K rear. Really makes it turn on a dime.

Bondonutz 10.16.2009 01:37 PM
Here's my CF LST2, not the race machine your is.

http://i88.photobucket.com/albums/k1...z/P6250011.jpg

http://i88.photobucket.com/albums/k1...P6250013-1.jpg

pinkpanda3310 10.16.2009 07:21 PM
Quote:
Originally Posted by Bondonutz (Post 327591)
Nice mods to the LST, glad it's working well.
I have a Carbon fiber chassised LST as well thinking of incorperating a CD in with RCM motor mount. One of my many "next" builds.
That sounds like a good idea. Less weight than a tranny and you could use the slipperential. I haven't looked at the truck to see if it would work but instead of mounting the motor over the diff could you cut a hole in the top chassis plate and mount the motor beside the diff?

I had a quick look at Brian's calc. The pinion would need to be much smaller, 11-12t.

Bondonutz 10.16.2009 07:44 PM
I was thinking the center diff and motor might fit more in between the top and lower chassis plates, the diff could moved off center just like the 8ightT ?????

pinkpanda3310 10.16.2009 07:48 PM
Quote:
Originally Posted by Bondonutz (Post 327687)
I was thinking the center diff and motor might fit more in between the top and lower chassis plates, the diff could moved off center just like the 8ightT ?????
Yeah, that's what I meant. As I said you would need to open up the top chassis for the motor to fit.


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