drgrasso@gbcrs.org Posted April 18, 2019 Report Share Posted April 18, 2019 The round knob was lost during the overhead panel upholstering. Mooney does not make any more. I am looking for an original, even though could replace with a Radio Shack item. Francesco Grasso text 410 302-2021 drgrasso@gbcrs.org Quote Link to comment Share on other sites More sharing options...
steingar Posted April 18, 2019 Report Share Posted April 18, 2019 You might wind up going to a radio shop to get one of their knobs. I think that's where Mooney got them in the first place. Fun story, I had one of my ceiling knobs fall in my lap on landing a while back. I asked the shop to put it back on, as it was going in for something else and I was too lazy (in truth I also didn't have the right screwdriver in the hangar). When I next flew the airplane the knob wasn't on the ceiling, nor was it in the airplane or my hangar. Mechanics claimed it was no where in their shop. Lost to the gods of the air. I went to get a replacement, and found dissimilar but serviceable one. I went to put my replacement in the other way, and lo and behold the original knob was back in its place. I guess my aircraft was visited by the hangar gnomes. Quote Link to comment Share on other sites More sharing options...
carusoam Posted April 19, 2019 Report Share Posted April 19, 2019 See if @acpartswhse or @Alan Fox has any ceiling knobs... Best regards, -a- Quote Link to comment Share on other sites More sharing options...
jwilcoxon78 Posted April 19, 2019 Report Share Posted April 19, 2019 I'd found some time ago when I was searching that it was also the same knob used on electric guitars. Ended up just using epoxy to repair mine though. It split in half. Quote Link to comment Share on other sites More sharing options...
steingar Posted April 19, 2019 Report Share Posted April 19, 2019 Hopefully someone will start 3D printing these things. Quote Link to comment Share on other sites More sharing options...
carusoam Posted April 19, 2019 Report Share Posted April 19, 2019 Take a look at aircraft spruce... they have a few to select from if you need one while you are still looking... https://www.aircraftspruce.com/catalog/elpages/rheostatknob.php the knob you need probably has a set screw to hold it in place on a flat side of the shaft... Best regards, -a- Quote Link to comment Share on other sites More sharing options...
Yetti Posted April 19, 2019 Report Share Posted April 19, 2019 17 minutes ago, steingar said: Hopefully someone will start 3D printing these things. cept mine is aluminum. It would take about 30 minutes to spin one out on the lathe. I would do knurled, Not sure how to create the straight line cuts. Then file a 337 in triplicate. :-) 1 Quote Link to comment Share on other sites More sharing options...
Hank Posted April 19, 2019 Report Share Posted April 19, 2019 1 hour ago, Yetti said: cept mine is aluminum. It would take about 30 minutes to spin one out on the lathe. I would do knurled, Not sure how to create the straight line cuts. Then file a 337 in triplicate. :-) Straight line cuts would be milled. Unless you're talking through the knurling [but not done by the knurling tool on the lathe], in which case a triangular file should suffice. Need an electric typewriter for the 337 triplicate form, though. Quote Link to comment Share on other sites More sharing options...
Nippernaper Posted April 25, 2019 Report Share Posted April 25, 2019 You can knurl with straight knurls as well.Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
John Mininger Posted May 2, 2019 Report Share Posted May 2, 2019 Mine has been getting looser and looser for quite some time. I just found a replacement at the local Ace Hardware that's better than the original. I think it's the Hillman Fastener part number 55403. I have another one, if anyone wants it. $5 plus shipping. Quote Link to comment Share on other sites More sharing options...
rbridges Posted May 2, 2019 Report Share Posted May 2, 2019 I have my old silver ones. It's the ones for the vent, and two for the lights. I'm not sure if they are the same ones. Do you have a pic of where you need it? Quote Link to comment Share on other sites More sharing options...
rbridges Posted May 2, 2019 Report Share Posted May 2, 2019 On 4/18/2019 at 3:29 PM, drgrasso@gbcrs.org said: The round knob was lost during the overhead panel upholstering. Mooney does not make any more. I am looking for an original, even though could replace with a Radio Shack item. Francesco Grasso text 410 302-2021 drgrasso@gbcrs.org I have my old silver ones. It's the ones for the vent, and two for the lights. I'm not sure if they are the same ones. Do you have a pic of where you need it? Quote Link to comment Share on other sites More sharing options...
SheryLoewen Posted May 7, 2019 Report Share Posted May 7, 2019 Look like this?? Paul ---LMS Quote Link to comment Share on other sites More sharing options...
carusoam Posted May 8, 2019 Report Share Posted May 8, 2019 @drgrasso@gbcrs.org Seeing if Francesco is checking in... Your knob request may have been answered... ^^^^ Best regards, -a- Quote Link to comment Share on other sites More sharing options...
rbridges Posted May 8, 2019 Report Share Posted May 8, 2019 That's the same knob I replaced. I have the old one still. Quote Link to comment Share on other sites More sharing options...
Ron_Dace Posted October 11, 2019 Report Share Posted October 11, 2019 > That's the same knob I replaced. I have the old one still. For sale? Quote Link to comment Share on other sites More sharing options...
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