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> Considering a run of shifter knobs, I've not done one in years
TMM914
post Feb 6 2024, 08:05 PM
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Count me in for pair!
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barnfind9141972
post Feb 7 2024, 10:29 AM
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Count me in as well, for one at the very least! I’ve been waiting for you to make a run, can’t wait!
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SLKWrx
post Feb 13 2024, 09:41 AM
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I'd be down for a pair of them.
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VaccaRabite
post Feb 13 2024, 11:00 AM
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Got sidetracked by a trip to Texas and working on the Rabbit. I'm hopeful to make time to cut these out soon.

Zach
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BillJ
post Mar 27 2024, 03:39 PM
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Hey there! Checking in
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VaccaRabite
post Mar 28 2024, 06:44 AM
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I'm currently spring cleaning. At the moment the table saw is still being used as a shelf for all the VW Bus parts. Totally lame! Wood stock is still in the box leaning against the saw.

Zach
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BillJ
post Mar 28 2024, 08:56 AM
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These knobs arent going to make themselves. (IMG:style_emoticons/default/evilgrin.gif)
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jhynesrockmtn
post Mar 28 2024, 10:44 AM
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I would be down for two
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DRPHIL914
post Mar 28 2024, 10:46 AM
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QUOTE(BillJ @ Mar 28 2024, 10:56 AM) *

These knobs arent going to make themselves. (IMG:style_emoticons/default/evilgrin.gif)

(IMG:style_emoticons/default/lol-2.gif) (IMG:style_emoticons/default/agree.gif)
im in for one too.. time to (IMG:style_emoticons/default/sawzall-smiley.gif) (IMG:style_emoticons/default/smash.gif)
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technicalninja
post Mar 28 2024, 01:24 PM
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I'm still in for two hopefully!
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oldschool
post Mar 29 2024, 08:39 PM
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Hey Buddy I still have the one I got for my old 914......Can I use for the boxster 2000
or do I need a different set-up?
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VaccaRabite
post Mar 31 2024, 07:15 AM
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QUOTE(oldschool @ Mar 29 2024, 10:39 PM) *

Hey Buddy I still have the one I got for my old 914......Can I use for the boxster 2000
or do I need a different set-up?


No idea. If it uses a 15mm shift lever you should be fine. If its threaded.... I don't know anything about the Boxster shifters. I want to say that I made one back in the dat for a Boxster, but I don't recall the details.

Zach
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VaccaRabite
post Apr 18 2024, 11:47 AM
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The past month has been ROUGH.
Overcommitted calendar as always while I try and balance kids and family and me.
And then we added cancer, death and a funeral to someone I consider a parent and mentor (often referred to as my outlaw dad). We got him in the ground earlier this week, and I've been looking for a project to take my mind off.

These knobs fit the bill.

(IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-1435-1713462461.1.jpg)

I made up 2 blanks, machines a bunch of the delrin inserts, bought fresh epoxy and started making. The original knobs were glued on to the shift levers, but I don't thing that will work for most of us. While I'm trying to make these as close to the "real" thing as I can, I think I have to diverge a little here for the sake that these aren't "disposable" race cars.

I have a larger block that will make about 18 more knobs clamped up, but these two will be the prototypes.

I realized I needed to make a new friction fit attachment for the lathe, so I did that first today, and then mounted and turned the first knob.

(IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-1435-1713462462.2.jpg)

After turning a gave is a rudimentary sanding and put it on the 914.
(IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-1435-1713462462.3.jpg)

Off the bat I see a few things I want to change. I want to take about 5mm off the face and reshape it - right now its just slightly more oblong then I want. If the knob is 48mm wide, then I need to trim the height down to about 45mm to get the profile looking how I want it.

But, overall I'm happy with it. Bear in mind this has NO FINISH on it what so ever.

That's how the original ones were made. This is also the correct (I think - as correct as I could find and get imported in) baltic birch ply. I have no idea what the Porsche race shop would have used at the time, or if the wood even would have been graded in 1960s as it is now - probably what was on hand. I did splurge and get a furniture grade product. I went that way as builder grade ply often has breaks and voids that are not acceptable in finished goods.

This knob is also a few MM smaller in diameter then the ones I have made in the past, around 48mm instead of 50mm. I may take it down another MM when I turn the face down a little.

If I add some oil I expect it will darken up a little. The second knob will be a test of that. Unprotected wood will also darken naturally on its own pretty quickly as the oils from your hands work into the wood.

Assuming I make a run of these, an oil and wax finish will likely be an option - like my prior knobs - with a slight upcharge. My goal with these is to make them simple and sell them pretty cheaply - somewhere around $50 plus shipping I think but I've not done all the math on that yet. Putting a finish on adds about a week to production. And it gets away from the "because racecar" vibe that I'm aiming for. But I do understand that I'm kinda weird, and people tend to like nicer things.

So anyway. No fancy mahogany and maple. Its European plywood. No fancy time consuming finish. Lower price.

You guys are my market research. Am I off my rocker?

Zach
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DRPHIL914
post Apr 18 2024, 12:02 PM
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(IMG:style_emoticons/default/piratenanner.gif) no complaints here, i might have you make mine with no finish or stain, i could do that to my desired color and finish with oil or Varthane or what every - something with a UV protectant like marine varnish.

PHil
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BillJ
post Apr 18 2024, 12:16 PM
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Mines going on a race car so vibe is perfect. I have the rennshift though so how would i mount?
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technicalninja
post Apr 18 2024, 12:28 PM
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(IMG:style_emoticons/default/agree.gif)

Me too!
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VaccaRabite
post Apr 18 2024, 12:47 PM
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I did a quick reshape and am happier with the form.

I did not burnish at all this time so its a little blonder. But wanted to give folks an idea of how they compare with my past runs.

(IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-1435-1713466066.1.jpg)
new unfinished knob next to an example from my last run. Its smaller. The original "factory" knobs were small. I'm trying to recreate that.

(IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-1435-1713466066.2.jpg)
better shape. Also note the dark spot. Its plywood, there will be places where there is bark in the ply.

(IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-1435-1713466066.3.jpg)
The classic knob that I used to make.
Everyone and their brother makes some version of this knob now.

For those asking about how to mount on a Rennshift - the pics of the knob in my car are on a Rennshifter. You can use a threaded rod (like I have on the old style) or the regular crush ring/felt/paper friction fit. Using the friction fit makes the overall height of the Rennshifter about 1.5cm shorter then that threaded rod mount.

Zach
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mepstein
post Apr 18 2024, 01:14 PM
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I dropped a stainless steel metric bolt in mine ( upside down obviously) and used some JB weld to hold it in place. The bolt head spaces it perfectly from the edge and keeps it at 90 degrees. A stainless steel washer under the knob keeps the wood from damage.
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