Wiper motor torque

Hello everyone my friend and i started to build a race seat 2DOF sim and i was wondering if anyone knows how much torque can we expect to get from a VW wiper motors or atleat an aproximation?
the rig isn't that heavy and if we center the weight correctly it wouldn't be a problem. the problem is that the sim is made for more than one person so the seat is adjustable forward and backward. so if a small person sits in it the seat is pulled forward and the weigt is in the middle and typically smaller people wheigh less and vice versa
we were thinking of a hydraulic approach but the servo valves are expensive as hell.

thank you!

Probably look at larger motors then like the ebay crabpot 12v 200 watt 25:1 or 50:1 gearbox motors. They are faster and stronger than wipers
Ive built seat movers from motors at shoulders, to motors near knees, to motors under the back of the seat.
Shoulder mount will handle different weights. Mine is balanced for me at 85 kg, and my friend of 140 kg can play on it no problem, he still gets tossed around.
Desk racer, balanced for me at 85 kg, and due to design, ive had a 115kg friend play on it, again no problem with motion.
Full frame design, where everything moves can be tricky, but I found my "foot motor mount " sim, http://www.xsimulator.net/community...placement-sim-updated-photos-19-11-2013.3822/
because motors were so far from pivot, it handled heavier people very well. I tested it with 130kg person and it moved him no problem.
What frame design did you have in mind?

our frame is not finished and we built the thing on-site from our heads. this is our first sim so we expect it not working proeprly here is a picture of the frame building in progress

this is what we built in 5 hours with no plans just from our heads... we have the base built and we will use an axis from a jeep for the pivot.. next thing we want to find out where the center is so most of the weight is centered... ok so i need to search ebay for new motors... i don't know what design this is but can you help me with where i need to weld the motor rods to? shoulder height or bottom?

we wanted to use a racing seat but could't get any. usually people sell them with certificates expired for 100€ or so but we weren't that lucky so we used a BWM seat that has height,back and forward reverse control

well done on the build. It should move well as full frame.
I will lay money that seat you got weighs near 20 kg or more.
Wipers will work and help you get going, they may just wear out and or break depending on the actual load on it.
With the seat on rails, thats fine, but you still need to balance it for the most common person using it. If you can get a heavier person to get a balance point marked, that will help. Pivot mount placement might be near the same.
http://www.xsimulator.net/community/threads/diy-2dof-seat-mover-with-big-motors.4683/ this is what I did for shoulder mount seat mover, but all you need to do is build a "T" bar or something like I did at the back of the seat and extend the motors back at least 15 deg angle back and to the sides. Thats the overall best leverage point.
Hope that helps a bit.

Thank you for the help... from this picture you cant see the back but we did build a frame... we used a tube from a motorcycle stand and it looks like something from a gokart if you look at the picture you can see a bit of the tube on the side of the seat... we didn't weigh the frame but two people can carry it with one hand no problem yes i agree we have to find out the center with an heavier person. we will try with a few of our friends so we can see how the balance point changes
the pedal mount is also pivoted so we can adjust the angle of the pedals. in short the rig is fully adjustable except the steering stand. But we used measurements from our old fixed sim that was built two years ago, but that one was unmovable (it was built just for the feel of a cockpit, BMW seat and BMW dash )
i will try it with wiper motors and if they break they break, we didn't pay for them because my friend has a lot of car junk form the auto repair shop
but i really would like to try it with hydraulics if i could get my hands on two servo valves
When it is finished i will write the project on the forum

this is the back side of the sim ... i thougt i can make the motor rods fixed on top of the vertical rods ....

yes, however, higher would be better, but start with what you have though

Attached a file from Valeo. You can find specifics about their wiper motors for example on page 53.
Their strongest 12V motor on this page has a nominal torque of 5 Nm @ 4 A and a maximum torque of 50 Nm.
This implies a maximum power consumption of 20 A and a maximum power of about 60 A.
Maybe you can find your specific VW motor in this catalog as well.

thank you for your time for searching for these datasheets. i will look for the serial number and try to find data of my motors maybe if i try to power the 12V motors with 24 i could boost the torque output. no doubt the motors will be destroyed faster and maybe break a sprocket but hey no try no foul right