How to make this car move?
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Hello all,
I'm super new to Sketchyphysics and the SketchUp program itself, but I already started to get the feel of it.
But I need help. I have this R32 from the warehouse I'm trying to make it move so I can just drive it around and have fun. Unfortunately, when I try to attach the motors, joints, and servos to the wheels, it is oversized. Also, if anyone could teach me how to, how do I make a four wheel suspension?
Thanks in advance, Mav
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I actually got the servo box on, motors on, connected them to the body, but the body won't move but the wheels could. I'll see if I can give you guys the world because I'm not very good at explaining things.
Here it is:
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The car that you downloaded was not originally designed for use with SketchyPhysics. You correctly isolated the wheels from the chassis, letting the wheels be attached to motors, but the motors are themselves static objects, I think. If you place a motor in a SketchUp model, then join it to a wheel, the motor will stay in one place while making the wheel turn in the air.
I think you may have some progress if you first edit the car chassis group, then place motors inside the group, then close the group. This will make the motors static within the chassis group itself, but not static within the model. Then, join the wheels to their motors. The motors will turn the wheels, which will propel the rest of the car.
Um, there are extra details for the servos that let you steer the car, but I am too lazy to describe them here. I do recommend that you actually use only one motor, as is normal for a car. The motor can be placed in the midpoint between two driving wheels (the rear wheels, perhaps?). Then, when you join the motor to the two rear wheels, they will both turn in synchronization. They will not, however, behave like car wheels with a differential gear. Still, it will be good enough to play with. The front wheels can be joined to the steering assembly using passive hinges. If you use two servos to control the turning of the front wheels, they can be linked to a single named controller, so they will both turn in synchronization. This will reduce the number of controllers to two: one to control the motor speed and one to control both servos.
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Thanks DanYHKim!
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I was looking thru the forum and I ran across this request. I like you, am also fairly new to sketchy physics. It has a fairly hard learning curve but with a lot of help from tutorial all over the internet I am finally catching on but still have a lot to learn.This is definately not the only way to do this but it works.
The main problem with your model is the wheels were not defined as spheres, the body of the car has to be set to no collision. I left all the joints in place so you can learn from them. You can choose the joints then right click and hide. I only used one drive wheel but can use two or all four, I just prefer using one, you just have to make sure their all turning the same direction.
I just had to answer this since I have had a hard time learning it. Hope this helps you out!artfread
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I forgot to tell you that you steer and drive with the arrow keys.
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