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Index > MobiFlight General > Convert a standard 30 degree rotary switch to 45 degree indexing.
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Message #18861
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Caspajack
Posts: 40
This project came about from a suggestion by Pizman82, after someone asked if a standard switch could be converted.

I had a need for some 45degree indexing switches to match the markings on my 737 MIP and overhead panels. I had plenty of the standard switches so I didn't want to buy a load of new ones. The design is quite simple and may even be easier to make if someone has a better idea,
It was practically all made on my laser, except for the new shaft that is simply a length of 6mm aluminium rod. This was filed on one side to form the D shape needed for the knobs.
I counter sunk the top 5mm panel so two of the 3mm screws held the unit together and the other two were used to mount the unit onto the MIP. It can be made from any colour acrylic, I simply used a few offcuts to prove the concept.

I have included an image and a CAD drawing to show what it looks like.
Getting the gear spacing correct is the only real need for any precision, and it works perfectly.
John


2020-05-29 03:05
Message #18864
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StephanHo
Moderator
From: EDDG, Germany
Posts: 1867
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Great ! :thumbup:
Grüße,
Stephan (Time: UTC+2)
2020-05-29 11:36
Message #19656
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DeltaBravo
From: Schneeberg, Germany
Posts: 90
After years of searching for cheap 45° switches I found a type in china shops. Search for SR16 rotary switches and you'll find this one.

https://ae01.alicdn.com/kf/H8cdae3a003c84cd8afb06571cccd505dU.jpg_640x640Q90.jpg_.webp


Maybe you have to enlarge the axle, if you have thick panels, but it's easy by glue and a piece of plastic.

Stephan
[Last edited by pizman82, 2020-08-21 15:49]
PMDG based 747 Homecockpit, 3 Beamer
P3Dv4.3 QOTSII FSUIPC 5full 6xArduinoMega CDU cpFlight 747MCP
2020-08-21 12:54
Message #19735
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DocMoebiuz
Moderator
From: EDSH, Germany
Posts: 1516
iconCaspajack:


I have included an image and a CAD drawing to show what it looks like.
Getting the gear spacing correct is the only real need for any precision, and it works perfectly.
John




Awesome idea, Great work and Thanks for sharing!!!
Have a great day!
Sebastian

MobiFlight - Simply build your own home cockpit for your favorite flight sim - MSFS2020, FSX, Prepar3D (FSUIPC), X-Plane (XPUIPC)
2020-08-30 08:24
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Index > MobiFlight General > Convert a standard 30 degree rotary switch to 45 degree indexing.