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Author Topic: Front paddock stands  (Read 3588 times)
Speeddog
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« Reply #15 on: April 11, 2020, 01:50:04 PM »
IME anything less than 3/4" pin will bend on an under-triple stand
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ducpainter
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DILLIGAF
« Reply #16 on: April 11, 2020, 01:52:53 PM »
Quote from: Speeddog on April 11, 2020, 01:50:04 PM
IME anything less than 3/4" pin will bend on an under-triple stand
You may very well be correct, but T-rex sells a 12 mm pin.
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Pinion
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« Reply #17 on: April 11, 2020, 03:02:03 PM »
12mm is close to 1/2”
8mm is less then 3/8”
It will not be strong by any means,
Not sure how much the pin is used for,lift as is stability
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Speeddog
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« Reply #18 on: April 11, 2020, 05:13:08 PM »
I made a pin from a 12mm or 1/2" bolt, cant remember which.
It bent.
Not a 12.9 or grade 8 bolt, but not crapola.
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ducpainter
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DILLIGAF
« Reply #19 on: April 11, 2020, 05:16:16 PM »
OK...so why not bore out the stem?
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Pinion
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« Reply #20 on: April 12, 2020, 02:17:48 AM »
That, I think I would very away from. Things are made a way for a reason.
Hmmmmm......... paddock stand I want vs life, that is a hard one
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ducpainter
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« Reply #21 on: April 12, 2020, 02:29:18 AM »
Quote from: Pinion on April 12, 2020, 02:17:48 AM
That, I think I would very away from. Things are made a way for a reason.
Hmmmmm......... paddock stand I want vs life, that is a hard one

That's pretty dramatic. Roll Eyes

The Ducati stem has a big honking hole, and it's perfectly safe.

Some things are the way they are for no good reason at all.
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koko64
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« Reply #22 on: April 12, 2020, 02:43:55 AM »
Is the fancy stem thick alloy Vs a hollow steel tube?
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rdtompk
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« Reply #23 on: April 12, 2020, 03:03:16 AM »
Get a pin turned out of cold rolled steel and post photos of results!

I had to do the same thing for my previous S2R (don't have a new triple tree stand yet).  Worked out well!  Granted, I was going bigger instead of smaller....drew it up in Fusion 360 and had a friend of my father in law fab it.
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Pinion
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« Reply #24 on: April 12, 2020, 03:33:02 AM »
I was actually thinking titanium
I think anything that’s not cast might work
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Howie
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« Reply #25 on: April 12, 2020, 03:47:14 AM »
Keep in mind the stress on the pin is on the way up and down.  Speeddog's 12mm. bent and 8mm. is a lot smaller.
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Pinion
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« Reply #26 on: April 12, 2020, 03:56:14 AM »
Quote from: howie on April 12, 2020, 03:47:14 AM
Keep in mind the stress on the pin is on the way up and down.  Speeddog's 12mm. bent and 8mm. is a lot smaller.

Yes
Also consider cast is much weaker then rolled, titanium has higher stress values
Honestly if you consider using a valve, nipping it off and drill out a receiver
I have used a valve out of a 350 to adjust coil over compression on off road truck on the trail
« Last Edit: April 12, 2020, 03:59:34 AM by Pinion » Logged
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rdtompk
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« Reply #27 on: April 14, 2020, 02:26:17 AM »
I think we need to send this to This Old Tony and see a pin made.
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DuciD03
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« Reply #28 on: April 18, 2020, 01:43:26 PM »

Here's my 2 cents since I use the last front lift in your original post; the pin question aside, I've used the lower section with a 1/2" dia. x 2' piece of solid mild steel rod through the front wheel spindle and same way on the rear SSS also for more stability; is doesn't allow for wheel work like that; but is more stable than the pin.

With the pin its less stable, and note; the stand can rotate if you not watching it all the time; as it did on me once, while I was working on the front breaks; I caught it as she went over on top of me; but had momentum and weight as it went down gently on top of me got a little pinned and squished and wrenched my back trying to stop it. I believe they recommend using a back stand to help stabilize and I have used the same rod with jack stands on the rear and front triple pinned. Also its nice that with the pin you can remove the front wheel.
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caperix
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« Reply #29 on: April 25, 2020, 10:33:55 AM »
I think the under triple stands for the bikes with adjustable steering stems hooks the lower triple.
https://www.pit-bull.com/motorcycle-stands/front-stands/hybrid-ducati-headlift-front-stand-f0100-500
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