Control Stick is loose

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Re: Control Stick is loose

Postby Bryan Cotton » Mon Aug 07, 2017 2:55 pm

Bill Volcko had it after me. I think it was a reamer for the -3 taper pin though.
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Control Stick is loose

Postby drPete » Mon Aug 07, 2017 4:10 pm

XenosB plans call for B&S #1 taper pin for mixer and control horn to shaft with a pair of #2 taper for the control stick fittings.

Found a #1 taper reamer https://www.mscdirect.com/product/details/02401016 for under $20. Used the #1 reamer for both the #1 and #2 taper pins, though the reamer was well into the heal with the #2 pin.

The plans neglect the taper pin washers, but they are a key part of making the pin work as designed.


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Last edited by drPete on Sun Aug 13, 2017 4:11 pm, edited 1 time in total.
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Re: Control Stick is loose

Postby pgerhardt » Mon Aug 07, 2017 9:39 pm

The #3 pin says .196-.317"
The #2 pin says .141-.255"
the #4 pin says .-250-.355

The #3 reamer says .3099" to 0.4510".
The #2 reamer says .2474" to .3781"
The #4 reamer says .3474" to 0.5017"

pin numbers are from Aircraft Sprucehttps://www.aircraftspruce.com/ca ... perpin.php
I am reading C and D demensions.

Reamer specs from https://www.aircraft-tool.com/shop/search.aspx

I don't think I am understanding the demensions correctly
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Re: Control Stick is loose

Postby bvolcko38 » Tue Aug 08, 2017 8:37 am

I have the taper pin reamer and am done with it...waiting to pass it on. Just need an address
BV
Bill Volcko XNS0068
Xenos A N68WV 99% flush rivets
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Re: Control Stick is loose

Postby sonex892. » Tue Aug 08, 2017 8:54 am

pgerhardt wrote:The #3 pin says .196-.317"
The #2 pin says .141-.255"
the #4 pin says .-250-.355

The #3 reamer says .3099" to 0.4510".
The #2 reamer says .2474" to .3781"
The #4 reamer says .3474" to 0.5017"

pin numbers are from Aircraft Sprucehttps://www.aircraftspruce.com/ca ... perpin.php
I am reading C and D demensions.

Reamer specs from https://www.aircraft-tool.com/shop/search.aspx

I don't think I am understanding the demensions correctly


That table on the spruce site isn't very clear. A #2 pin 0.255" is the small end of the taper. Ignore the 0.141" it is just the undercut between the 10-32 thread and the 0.255" start of the taper. To choose the pin length use the second dash number x 1/8" for the grip length.
Eg. An AN3862-8 is a #2 with a 1" long taper.
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Re: Control Stick is loose

Postby pgerhardt » Tue Aug 08, 2017 11:46 am

bvolcko38 wrote:I have the taper pin reamer and am done with it...waiting to pass it on. Just need an address
BV

Bill is it a number three or number two?

Paul
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Re: Control Stick is loose

Postby DCASonex » Tue Aug 08, 2017 7:10 pm

WaiexN143NM wrote:Hi all,
The spring loaded link will allow for rod link length changes as the tailwheel rod flexes.

Cheers
WaiexN143NM
Michael
.
****************************
Simpler fix for that problem is to install both the rod end bearings under their brackets, bolts facing up. S bend of rod will then be in about same plane as the titanium tail spring eliminating most all tendency for rod steer the tail wheel as spring flexes.

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Re: Control Stick is loose

Postby bvolcko38 » Wed Aug 09, 2017 12:58 pm

pgerhardt wrote:
bvolcko38 wrote:I have the taper pin reamer and am done with it...waiting to pass it on. Just need an address
BV

Bill is it a number three or number two?

Paul

I'm out of town as of today. I'll check when I get back Saturday and let you know
Bill Volcko XNS0068
Xenos A N68WV 99% flush rivets
Aerovee and Prince P-Tip
MGL Discovery Lite w/ Sandia STX 165R
V6
First hole 4/1/16
First flight 8/24/18
Phase I complete...finally!!!
Also flying a Challenger II since 1999
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Re: Control Stick is loose

Postby pgerhardt » Fri Aug 25, 2017 9:12 pm

Put a #2 taper pin in place of the AN4 bolt. Thanks for all the input. Bought the pin from AS and the reamer from Aircraft tool in MI. Did not have to take too much metal out and the pin is tight. Had to cut off some of the non threaded end. Used a nylock nut and the taper pin washer to pull it snug..

Got Condition inspection signed off today. Back to pilot mode.
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Re: Control Stick is loose

Postby racaldwell » Wed Mar 28, 2018 4:38 pm

For a new installation on my mixer, I am going to use #1 taper pins. What length is needed?

I am not near the parts until the end of the week or I would measure them.

TIA,
Rick
Xenos 0057
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