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Wild Bill 633

Wild Bill's Hot Rod

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sjoemie himself

Very nice looking build so far and interesting work on the engine.

Also very goodlooking rack you got there :ychain:

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ebinmaine

This is super cool... 

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Wheelhorse#1

Good stuff.Thanks for sharing this .

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stevebo

Bill,

I won’t be asking you to race me on the senior this year!

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Wild Bill 633
36 minutes ago, stevebo said:

Bill,

I won’t be asking you to race me on the senior this year!

Initial design will not go real fast due to cast iron pulley maximum ft/min. To go faster safely, the pulleys would have to be machined from steel.

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19richie66
3 hours ago, ebinmaine said:

This is super cool... 

I second that!

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Oldskool
10 hours ago, Wild Bill 633 said:

Initial design will not go real fast due to cast iron pulley maximum ft/min. To go faster safely, the pulleys would have to be machined from steel.

If/when you swap to steel pulleys would you change out the brake drum as well?

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Wild Bill 633
1 hour ago, Oldskool said:

If/when you swap to steel pulleys would you change out the brake drum as well?

The old drum brake just would not cut it in this design. The brake system is coming up next.

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Chris G

Looks Awesome so far and great job!!! Excited to see more

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Wild Bill 633

Sneak peek of the brakes.

122222 Brk Rotor.jpg

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ebinmaine
13 minutes ago, Wild Bill 633 said:

Sneak peek of the brakes.

 

 

Will the setup you are using still work if an axle breaks or the belt breaks?

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Handy Don
17 minutes ago, ebinmaine said:

Will the setup you are using still work if an axle breaks or the belt breaks?

It looks like a disk instead of a drum but on the same shaft, right? So same effects as a drum but with stronger stopping power.

 

32 minutes ago, Wild Bill 633 said:

Sneak peek of the brakes

This is a very cool idea!

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Snoopy11

Hey Bill,

 

Very nice work so far.

 

My only thought as I look at your workmanship so far... is the clearance between the frame and the axle. I don't see a lot of clearance in this picture... I'm just thinking that maybe it would be beneficial to lock the front axle up so it doesn't have any play. It would probably make it stiffer as well... :eusa-think:

 

071022 Frt Axle in Frame.jpg

 

Just an observation... I have utmost respect for what you are putting together here, and I won't take up more of your thread.

 

Don

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Oldskool

What do you figure top speed will be?

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Wild Bill 633
1 hour ago, Snoopy11 said:

is the clearance between the frame and the axle. I don't see a lot of clearance in this picture

The OEM WH 633 tractor has 8 degrees of axle rotation each direction from level for a total 16 degrees. The flanges on the frame rails between the axle mounting plates will be machined up to allow for the same axle rotation. 

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Wild Bill 633
50 minutes ago, Oldskool said:

What do you figure top speed will be?

This build has an 8-speed transaxle. The initial design top speed calculated with no losses is 19 MPH. The limiting factor is the cast iron v-belt pulley max. speed, which is 6500 ft/min. In order to go faster, the v-belt pulleys would have to be machined from steel.

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WHX??

Dan @Achto you see this build? Glad I don't have your skills Bill I would be dead long ago in a high speed tractor incident.

Better than our under the apple tree hammer mechanic builds. 'Bout time we got some class around here! :handgestures-thumbupright:

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Achto

Holy crap Bill !! You've come a long ways on this build. And quite an insane build at that. This tractor is looking killer so far. Hope to see it completed at Portage next year.

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Wild Bill 633
47 minutes ago, Achto said:

Holy crap Bill !! You've come a long ways on this build. And quite an insane build at that. This tractor is looking killer so far. Hope to see it completed at Portage next year.

Thank you for the complements Dan. You can consider yourself the root cause of this build. Without meeting you, this build would not have happened.

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ebinmaine
58 minutes ago, Wild Bill 633 said:

Thank you for the complements Dan. You can consider yourself the root cause of this build. Without meeting you, this build would not have happened.

Sooooo... Dan's fault.  Got it.  

😃

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Oldskool
19 hours ago, Wild Bill 633 said:

This build has an 8-speed transaxle. The initial design top speed calculated with no losses is 19 MPH. 

I can't lie. I've been wanting to build a "race horse" for some time now.

Just how well do these transaxles shift at speeds above stock? 

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Wild Bill 633
16 minutes ago, Oldskool said:

Just how well do these transaxles shift at speeds above stock?

With hydraulic brakes, I had to divorce the clutch from the original clutch/brake pedal. So I am using a CVT torque converter similar to the@Pullstartsnowmotractor. Except the CVT driver will be mounted on the crankshaft of the engine, the CVT driven will be mounted to a jackshaft along with the v-belt driver pulley and the v-belt driven pulley mounted to the transaxle. No shifting involved. Just put it in desired gear and stomp on the gas pedal. I am waiting to get the engine assembled and running to determine the idle RPM in order to determine the CVT kick in RPM.

Edited by Wild Bill 633
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ebinmaine
19 minutes ago, Oldskool said:

how well do these transaxles shift at speeds above stock? 

Having personally witnessed a fast Horse being moved between gears while at 12 to 15 mph I can assure you it would only be a matter of time that one of the gears became shaped more like a dowel. 

No teeth. 

 

5 minutes ago, Wild Bill 633 said:

No shifting involved

 

Excellent. 

This is the way....

 

 

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Snoopy11

My fast horse pulls 40 MPH top speed.

 

That said... I have never... nor will I ever... change gears while it is moving. Period. Case closed. I want the transmission to last as long as possible.

 

At startup, I simply feather the clutch a bit more than a normal Wheel Horse, and it gets up to speed without issue. You have to get a feel for the machine and the engine, see where its powerband is so you can drop the clutch without stalling (or pulling a wheelie).

 

No issue with belt wear on my machine... (I've had the same belt on the tractor since I built it).

 

I can completely drop the clutch in first and second gear at about 2,500 RPM without the engine changing pitch very much. I do feather the clutch just a smidge just so it doesn't pull a wheelie.

 

Third gear has to be feathered just a bit more to get speed, but I can completely drop the clutch at 2,500 RPM... and mash the throttle all the way up to speed.

 

All that said... @Oldskool it can be done without a torque converter... but it's a completely different animal than a stock WH. It's more like a stick shift car.

 

Don

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