return springs
someone mentioned it in another post to this thread, the idea of using gas struts (like used in late model cars to hold the hoods/ trunks open). They come in many different lengths. Just looking at your pics, I assume when you move the pedals, the shaft they are attached to rotates forward and back. If that is the case, two identical structs/ shocks could be used by placing a pivot on the shaft (ie: one eyelet above and one below the shaft, set at equal lengths for the hydro shafts center point) then the shocks could be mounted one on each side of the shaft or both ahead or behind the shaft making work against one another to move your hydro control back to center when your foot comes off the pedal. If I had a pen and paper it would be easier to draw this out, I think the shocks would be alot smoother operating than springs, just thought I'd toss in my 2 cents for what it's worth.
I have a 149 and pushing snow is a pita because running the lift and hydro leaves no hand left over for steering (kind of important too!), nice work on your foot controls!
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