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914World.com _ 914World Garage _ Hand Throttle Friction Ring
Posted by: DennisV Sep 26 2023, 04:31 PM
Can anyone share a photos and dimensions for the hand throttle friction ring for 914-6 (914-424-219-00)? Ours is missing as astutely pointed out by @http://www.914world.com/bbs2/index.php?showuser=1319 . This part is NLA and I've never actually seen one.
What is it made of? If plastic, I will replicate on 3D printer.
Posted by: bdstone914 Sep 27 2023, 09:16 PM
Can anyone share a photos and dimensions for the hand throttle friction ring for 914-6 (914-424-219-00)? Ours is missing as astutely pointed out by @http://www.914world.com/bbs2/index.php?showuser=1319 . This part is NLA and I've never actually seen one.
What is it made of? If plastic, I will replicate on 3D printer.
It is plastic. You may find an off the shelf bushing. I made a few sets of these and sourced a bushing from Master Carr. You can search by size and see what materials are available. I think the rod is 5.mm. Measure the hole in the bracket for the guide bushing.
Posted by: rgalla9146 Sep 28 2023, 06:02 AM
Denis I was lucky to find a plastic cap that was a friction fit into the support bracket
I then drilled a hole for the push rod. Sorry, can't provide a source.
At the bottom of the page
http://www.914world.com/bbs2/index.php?showtopic=310032&st=220
Posted by: SixerJ Oct 1 2023, 02:06 AM
I think, I have a NOS one in the stash. Need to go and hunt for it
Posted by: 930cabman Oct 1 2023, 11:12 AM
I would bet Mc Master Carr has something, Teflon or Delrin
Posted by: gms Oct 2 2023, 08:32 PM
Mark http://www.914world.com/bbs2/index.php?showuser=4707 is going to make some this week, put your order in
Posted by: gms Oct 2 2023, 08:43 PM
http://www.914world.com/bbs2/index.php?s=&showtopic=335629&view=findpost&p=2818520
Posted by: DennisV Oct 4 2023, 03:14 PM
I think, I have a NOS one in the stash. Need to go and hunt for it
A couple photos of an original and dimensions would be a great help. If it's for sale, please let me know.
http://www.914world.com/bbs2/index.php?s=&showtopic=335629&view=findpost&p=2818520
Thanks for sharing this Glenn.
Posted by: SixerJ Oct 5 2023, 12:31 AM
I think, I have a NOS one in the stash. Need to go and hunt for it
A couple photos of an original and dimensions would be a great help. If it's for sale, please let me know.
http://www.914world.com/bbs2/index.php?s=&showtopic=335629&view=findpost&p=2818520
Thanks for sharing this Glenn.
Hi sorry have been travelling and back at the weekend, as per pics it’s a pretty simple part
Will snap some pics and dims of it out of the bracket
Posted by: DennisV Dec 3 2023, 06:21 PM
To install a new friction ring, you have to remove the plastic cap on the end of the throttle rod. Ours crumbled to pieces. 914-424-225-00 "sleeve" from the diagram. NLA.
I took the opportunity to make one on my 3D printer, based on dimensions from the broken pieces and photos. Printed in in red ABS for my own amusement. You can find it, and my other marginally useful designs, https://www.thingiverse.com/denvogel/designs.
P.S. Glenn's friction ring design is pretty clever.
Posted by: Mikey914 Dec 3 2023, 07:24 PM
Just an FYI, for those that have bought our kits, the friction is adjustable in the hand portion of the assembly. Tension is set by pressure on the nut and the large flange plate interacting with the HDPE washer is more than adequate to set and hold.
Adding this part will add friction, but isn’t required for our setup. Feel free to PM me if you need more info.
Mark
Posted by: 930cabman Dec 4 2023, 08:26 AM
Just an FYI, for those that have bought our kits, the friction is adjustable in the hand portion of the assembly. Tension is set by pressure on the nut and the large flange plate interacting with the HDPE washer is more than adequate to set and hold.
Adding this part will add friction, but isn’t required for our setup. Feel free to PM me if you need more info.
Mark
I recently installed this kit on a 2056 project with twin Webers, works great. Not sure of the purpose of a "friction bushing"?
Is it possible it was not necessary?
Posted by: Mikey914 Dec 5 2023, 09:19 AM
We built the friction adjustment into the hand assembly. When we assemble we oreliad the friction. These can be adjusted to apply more or less friction by tightening or liisening the nut.
That is why I was pointing out you wouldnt require exter friction devices.
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