Chief Delphi - pic: Simple Chain-in-Tube Concept

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Chief Delphi (http://www.chiefdelphi.com/forums/index.php)

- Extra Discussion (http://www.chiefdelphi.com/forums/forumdisplay.php?f=68)

- - pic: Simple Chain-in-Tube Concept (http://www.chiefdelphi.com/forums/showthread.php?t=137289)

billbo911

30-12-2015 12:22

Re: pic: Simple Chain-in-Tube Concept

Quote:

Originally Posted by Aren Siekmeier (Post 1515375)

The drive shaft on the middle wheel, along with the gear on that shaft, remains in the tube when the transmission is removed. The interface between the removable transmission and the frame consists of the mounting bolts and the gear interface.

Right, forgot about the third stage! That make perfect sense. OK, supper easy assembly and repair them, got it.

waialua359

30-12-2015 14:53

Re: pic: Simple Chain-in-Tube Concept

I cant believe I missed this thread earlier. We may look into this.
Even with the relatively small amount of space saved, makes a big difference on the footprint of the control system parts on the bellypan.
With a modulated frame that we are using, this is even easier to access our chain.

Ty Tremblay

30-12-2015 23:20

Re: pic: Simple Chain-in-Tube Concept

Realized I've been having a 7 month long brain fart.

If you increase the spacing of the output gear from the rail by .25", you can bolt on 1"x1"x.125" tubing and use that to mount your gearbox. VexPro sells .25" acetal spacers with a .5" hex broach.

Top-down view

RyanCahoon

31-12-2015 00:54

Re: pic: Simple Chain-in-Tube Concept

Quote:

Originally Posted by Ty Tremblay (Post 1515549)

you can bolt on 1"x1"x.125" tubing

Top-down view

How difficult will it be to install those gearbox mount bolts?

Aren Siekmeier

31-12-2015 02:27

Re: pic: Simple Chain-in-Tube Concept

Quote:

Originally Posted by Ty Tremblay (Post 1515549)

I thought your original version that started this thread was basically this with a 1"x0.75" tube for the gearbox mount...

Ty Tremblay

31-12-2015 05:51

Re: pic: Simple Chain-in-Tube Concept

Quote:

Originally Posted by Aren Siekmeier (Post 1515568)

I thought your original version that started this thread was basically this with a 1"x0.75" tube for the gearbox mount...

If you can easily find 1x.75 tubing, then that's a great way to go. It's not easily acquirable for our team, so we'll be milling down a piece of 1x1 and welding it on.

Ty Tremblay

31-12-2015 07:39

Re: pic: Simple Chain-in-Tube Concept

Quote:

Originally Posted by RyanCahoon (Post 1515563)

How difficult will it be to install those gearbox mount bolts?

The bolts holding the gearbox to the 1x1 tubing? Very easy.

If you're talking about the bolts/screws used to attach the tubing to the drive rail, it's just a matter of lining up the holes and getting a bit started on the other side. I'd suggest doing it before installing any wheels, bearings, or chain.

I'm about to hop on a plane, I'll get a couple more screen shots and the updated CAD as soon as I can.

Aren Siekmeier

31-12-2015 13:14

Re: pic: Simple Chain-in-Tube Concept

Quote:

Originally Posted by Ty Tremblay (Post 1515575)

If you can easily find 1x.75 tubing, then that's a great way to go. It's not easily acquirable for our team, so we'll be milling down a piece of 1x1 and welding it on.

Or .75x.75, or .75 x 1.5, or something... but ok.

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