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understandable, ill just do my own measurements
Godspeed. Do post your findings though, despite how're they taken it's good to have lots of different sources of info out there. Eventually if enough people do that we'll have some sort of average/consensus to go by.
I'm sorry the original intent of this thread got Shanghai-ed into such a direct. Was really look forward to more pics of truck, especially with the forged vs cast revelation.
Wish the mods would sticky some of the threads with a very clean and maintained page 1 stating all the specs with pics.
It happens, nature of forums, I'm not salty about it. I might still get something together, but I'd definitely want to build some sort of jig where the trucks can be positioned/adjusted to get the most accurate measurement without having to resort to expensive machinists tools. I'm sure I can figure out something with scrap wood and levels, it'll just have to wait until spring in my neck of the woods.
Sorry if my attitude contributed to your burn out. I'm working on it..
I agree that there's some variables that make ultra precision difficult. More the bushings than the deck tho. But using jig would def make taking measurements easier, I hadn't thought of that. Could use a straight work bench, wood board, steel or aluminum strip/plate. Got a metal place by you that sells new and "used" metal?
Layout would be easy, center punch, a regular square and/or scribing compass would help. A good straight edge..
Sharpie is the poor man's dykem. And why would you wanna use it other than layout? Gonna plum bob and mark the plate?
Could drill holes the same size as the base plates and use larger diameter bolts. I'd want a smooth shank that fits snug for the least amount of slop. Could even hammer in short dowels if you can find the right size.
The slop I'd be worried about would be in the bushings.
Pivot cup wear could let the axles move down towards the deck and out towards the nose/tail, increasing wb slightly.
I've measured some new aftermarket bushings and most aren't the same height all the way around, varying by ~1mm. Just setting the bushings in differently should change the geo and axle position slightly. slightly..
Could do metal pucks? Stacked washers? Do we need to worry about the concentricity with the kingpin?
Maybe try to measure multiple new trucks of the same brand/size, then compare those results. Wouldn't have to do it for every brand.
If you've got a friendly local shop I think it'd be best if one person did as many of the measurements as possible.