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Last fall at the Busco ride, I swore that I would upgrade my Attex Wild Wolf to 1 1/4 axles before I built another machine. 3 machines later, I'm finally getting around to it... on a different machine. Last month I started accumulating parts to upgrade the Wolf and the Tank Trainer to Argo axles. The Wolf was still at McCoys house, so the tank trainer got pulled into the shop.
I am lucky to have an awesome Argo dealer locally, who donated all the axles that I will need. They are used axles from machines that he is updating to the new HDI bearing setup.
Next I located a 6 spline hub to fit the axles at Surplus Center - W1-1/4SP6 1-1/4" 6 SPLINE BORE HUB and ordered enough to do every sprocket in both machines (failed to factor in the rotors, so I will need 4 more down the road)
using the lathe, I machined off the weld and knocked the old sprockets off their tubes (luckily all my sprockets are in good shape)
next I opened up the center hole in the sprocket until it was a press fit onto the hub
here is one sprocket and one rotor pressed in place.
I am resisting the temptation to weld them this weekend with the MIG in favor of taking them to work monday and using the TIG machine. I'm afraid with the MIG I may get too much heat and distort the splines.
The front and rear axles in the Tank Trainer will work great, but all 4 center axles will require that the spline be lengthened about an inch.
Next I need to build a jig to drill the frame and body for the Argo flanges, and get the fronts done.
The nice thing about this mod is that I can do one axle at a time and the machine will still be useable between. I hope to knock out the front and rear axles in the next week, then start studying on my best option for lengthening the splines.
once the 2 attex's are done, the Hustler will get the same mod. No chance of Argo axles working in that one though. I will have Whipper build axles for that machine whenever it's time comes
I am lucky to have an awesome Argo dealer locally, who donated all the axles that I will need. They are used axles from machines that he is updating to the new HDI bearing setup.
Next I located a 6 spline hub to fit the axles at Surplus Center - W1-1/4SP6 1-1/4" 6 SPLINE BORE HUB and ordered enough to do every sprocket in both machines (failed to factor in the rotors, so I will need 4 more down the road)
using the lathe, I machined off the weld and knocked the old sprockets off their tubes (luckily all my sprockets are in good shape)
next I opened up the center hole in the sprocket until it was a press fit onto the hub
here is one sprocket and one rotor pressed in place.
I am resisting the temptation to weld them this weekend with the MIG in favor of taking them to work monday and using the TIG machine. I'm afraid with the MIG I may get too much heat and distort the splines.
The front and rear axles in the Tank Trainer will work great, but all 4 center axles will require that the spline be lengthened about an inch.
Next I need to build a jig to drill the frame and body for the Argo flanges, and get the fronts done.
The nice thing about this mod is that I can do one axle at a time and the machine will still be useable between. I hope to knock out the front and rear axles in the next week, then start studying on my best option for lengthening the splines.
once the 2 attex's are done, the Hustler will get the same mod. No chance of Argo axles working in that one though. I will have Whipper build axles for that machine whenever it's time comes
. I'll go online and get the p/n's from Argo part man's for various machines and see how those compare. For the spline "extension" operation ( Whipper would probably enjoy chocking us both right now
You know that you can do that in 6 cuts with a Parallel spline single milling cutter. You would want P/N F6-125B for the right minor dia. & key. This cutter cuts a 1.060 minor. Call Ash Gear & Supply in Novi, MI 248-374-6155. Make sure the axles run true. 
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