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  #1  
Old 05-01-2022, 03:29 PM
claycookiemonster's Avatar
claycookiemonster claycookiemonster is offline
 
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Default If you have a START Button, where is the key?

I think it's primarily a cosmetic thing, but I'm going to have a START button for engine starting. However, I still want a modicum of security, so I'd like to have a turn key that must be inserted and turned before the aircraft can be started.

Those of you with a START Button, how'd you handle this?
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  #2  
Old 05-01-2022, 03:38 PM
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Ironflight Ironflight is offline
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Default

You can get a key switch with is simply in series with your starter, or your master, or whatever. In my Subsonex, the key switch is essentially the master switch, and without the master on, you can’t do a thing, so it is a reasonable security (or safety) deterrent.
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  #3  
Old 05-01-2022, 03:43 PM
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rv8ch rv8ch is offline
 
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Default

Probably blasphemy, but the boat guys have some good key switches.

https://www.iboats.com/shop/electric...-switches.html
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  #4  
Old 05-01-2022, 03:44 PM
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Default My solution

I did my RV7a just like the Grumman Tiger as shown on this picture.

Click image for larger version

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  #5  
Old 05-01-2022, 04:03 PM
brad walton brad walton is offline
 
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Location: Cypress, TX
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Default No key , but....

I put a hidden switch on the master circuit which I located in the RV 8 forward baggage area. This is in addition to the master switch on the instrument panel. The forward baggage is locked. So theoretically a thief could hand prop it but would not have a starter, EFIS, or any electrical system.
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  #6  
Old 05-01-2022, 04:42 PM
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claycookiemonster claycookiemonster is offline
 
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So, Paul; either the Key becomes the Master/Battery-on, or the key is wired in series with the above and it must be turned ON as well as Master-On to get the show on the road?
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  #7  
Old 05-01-2022, 05:25 PM
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I used a simple key switch wired in series with a push button.

Key switch is labeled as "Starter Enable"

Push button is engraved "Start"

Both from Steinair.
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  #8  
Old 05-01-2022, 06:20 PM
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No key but I have a lock that goes on the throttle. I use a Master hardened digital combination lock. I think I purchased the throttle lock from Sporty’s 25-years ago and sourced the pad lock at a local store.



Aircraft Spruce sells them now.
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Last edited by RV6_flyer : 05-02-2022 at 03:42 PM. Reason: add photo and link
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  #9  
Old 05-01-2022, 06:54 PM
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Quote:
Originally Posted by claycookiemonster View Post
So, Paul; either the Key becomes the Master/Battery-on, or the key is wired in series with the above and it must be turned ON as well as Master-On to get the show on the road?
Correct - you can do it any way you wish. In the jet, the key energizes the master relay, so it actually IS the master switch.
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RV-8 - N188PD - "Valkyrie"
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  #10  
Old 05-01-2022, 07:23 PM
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Blain Blain is offline
 
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Quote:
Originally Posted by Mike S View Post
I used a simple key switch wired in series with a push button.

Key switch is labeled as "Starter Enable"

Push button is engraved "Start"

Both from Steinair.
Ditto. I think I copied Mike.
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