View Full Version : drop axle stearing question?
cosworth34677
06-30-2013, 06:53 PM
i want to put a drop axle on the scania, and i'm going back and forth in my head.
do i need to make it stear? if so then i got to find space but if not i can make up someting pretty easy and quick. this is the truck .
do ineed to make it strear? i rather not but i think it maybe kind of close to the front and will widen my turn area. any would be great.
http://i78.photobucket.com/albums/j86/cosworth34677/20130630_1846241_zps94fd9257.jpg (http://s78.photobucket.com/user/cosworth34677/media/20130630_1846241_zps94fd9257.jpg.html)
Espeefan
07-01-2013, 01:17 PM
Given the short wheelbase, I think you'll be better off making it a steer axle. Unless you plan to lift it for taking the sharper corners? I think most of these European trucks put the lift axles behind the drivers, and if they have two axles in front, they are twin steer axles, no lift.
cosworth34677
07-01-2013, 03:48 PM
well heres the problem now. o=laying around with it. the stearing servo's in the way and i can't move it to the front. the brushless crawler motor i got is really long and it just fits, with shift servo so i got to come up with a way to add the axle and keep the stear there two.
Stuff
07-01-2013, 06:55 PM
hmm yeah I'd say it has to steer or you will drag it or reduce your turning traction...
might have to search youtube to see what you can find for 4 axle euro trucks and see if there is any in depth videos?
SonoranWraith
07-01-2013, 11:50 PM
Could it be a dummy steer? Just allow friction to turn the wheels and have it spring centered? Maybe some caster angle to help it track as well?
doodlebug
07-02-2013, 08:36 AM
Click this link and look at the tandem steer picture's, http://www.simardsuspensions.com/en/suspensions.php and http://www.raydanmfg.com/uploads/374733854cc746d1a8c17.pdf
Cheer's, Neil.
Lmackattack
07-02-2013, 08:45 AM
I think you will want it to steer with that short of a wheel base. You might be able go attach a rod from your forward steer axels back to the pusher? You will have to find the correct angle so they don't fight each other when turning..
Radio Control Trucker
07-02-2013, 09:35 AM
Here's a link a great video of a drop-down for you. :)
http://www.youtube.com/watch?feature=player_detailpage&v=kGLd76seVyQ
Hope it helps. :cool:
- RCT
cosworth34677
07-02-2013, 06:10 PM
well the big thing so far if the room and placement of the servo. the stock place is kind of in the way. but i can't really move it no room up front
doodlebug
07-02-2013, 11:31 PM
Do it with a drag link instead of 2 servo's! look at the picture's in this link, http://www.smsuspension.ca/products.html
Cheer's, Neil.
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