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More EFIS Thoughts

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MJKTuck(at)cs.com
Guest

Posted: Wed Apr 18, 2007 5:18 pm Post subject: More EFIS Thoughts

Hi Folks,

 

 Many thanks to those who sent me photos of their EFIS panels, the Grand Rapids Sport seems to be very popular.

 

 Of course Dynon has just announced new firmware which really smartens up their display. I'm still a ways off deciding which one to go for.

 

 In redesigning the panel I promised myself a better way of hooking up those connections such that the panel can easily be removed. I have something like 5 connectors which all have to be connected blind while balancing the panel on the center tunnel when putting the panel back.

 

 What have others done to take wiring from one side of the firewall to the other?

 

 I would like to use something like one of those 25 pin electrical connectors that all the wires run to. This way I just have connect one big connector and I would position it such that connecting will be easier. The highest rated wire is the negative from the battery through to the panel, its 10 swg. Would a 25 pin connector be able to support the load?

 

 Any comments on what others have done would be appreciated. I would be particularly interested in the magneto wires and shielding.

 

 Regards,

 Martin Tuck

 N152MT

 Wichita, Kansas     [quote][b]

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DuaneFamly(at)aol.com
Guest

Posted: Wed Apr 18, 2007 6:30 pm Post subject: More EFIS Thoughts

Martin,

  

 Just got back to my home computer. Here is a pix of my Dynon setup.   

 Mike Duane  A207A

Redding, California

XS Conventional Gear

Jabiru 3300  

Sensenich R64Z N

Ground Adjustable  Prop





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nwcmc(at)tiscali.co.uk
Guest

Posted: Wed Apr 18, 2007 6:56 pm Post subject: More EFIS Thoughts

 	  Quote: 	
		  In redesigning the panel I promised myself a better way of hooking up those connections such that the panel can easily be removed. I have something like 5 connectors which all have to be connected blind while balancing the panel on the center tunnel when putting the panel back.

 
	


 What have others done to take wiring from one side of the firewall to the other?<  

   

   

All my flying instruments are mounted on a subpanel. When this is removed its electrical items are easily unplugged and quick disconnects are used for the pitot-statics. This then provides a large whole in the panel to work through. I have 3 main firewall connectors which are mounted behind the shorter flight instruments. One for high power including earth connection, one for engine mounted wiring and one for airframe mounted wiring. By keeping the engine wiring separate the socket and the complete loom can be removed with the engine when the engine needs removal. I also have a pair of plug/socket connectors mounted parallel to the firewall which are also easily reached for all airframe connections aft of the firewall. My whole panel can be removed or refitted in 20 minutes.

 

 >I would like to use something like one of those 25 pin electrical connectors that all the wires run to. This way I just have connect one big connector and I would position it such that connecting will be easier. The highest rated wire is the negative from the battery through to the panel, its 10 swg. Would a 25 pin connector be able to support the load?<  

   

I would suggest you use a separate higher power multipin socket like I did. As mine was a 3 pin I used the extra pin to provide a separate backup feed through another fuse so that essential services can select an alternate routeing of power should the main panel fuse blow.

 

 >Any comments on what others have done would be appreciated. I would be particularly interested in the magneto wires and shielding.<  

   

I just used a/c quality coaxial cable for these. The shields were connected to earth at the panel end keeping the live inner cores shielded until they are grounded for engine stopping.  

   

Nigel Charles  [quote] [b]

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DuaneFamly(at)aol.com
Guest

Posted: Thu Apr 19, 2007 1:09 pm Post subject: More EFIS Thoughts

One other item I forgot to mention.....for power connection through the  firewall I have installed a unit that has two plates with about ten positions  for spade/quick connect fittings to attach to, one for each side of the firewall  and has a large bolt going through the firewall connecting them together to  which you attach the cable coming from the battery after going through the 30  amp fuse block. I have another one used for the ground side that doesn't have a  inline fuse.

  

 This is available from Electric Bob at  AeroElectric.com. But  I've attached the .pdf picture of it.   

 Mike Duane  A207A

Redding, California

XS Conventional Gear

Jabiru 3300  

Sensenich R64Z N

Ground Adjustable  Prop





See what's free at AOL.com.

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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hurstkr(at)redzone.com.au
Guest

Posted: Thu Apr 19, 2007 3:34 pm Post subject: More EFIS Thoughts

Mike,

  

 Do you have or intend to have a cover for  your 'live' Forest of Tabs ?  Just thinking this is quite a large area to  be 'live' if not protected.

  

 Cheers

 Kingsley in Oz.

 [quote]   

   One other item I forgot to mention.....for power connection through the    firewall I have installed a unit that has two plates with about ten positions    for spade/quick connect fittings to attach to, one for each side of the    firewall and has a large bolt going through the firewall connecting them    together to which you attach the cable coming from the battery after going    through the 30 amp fuse block. I have another one used for the ground side    that doesn't have a inline fuse.

    

   This is available from Electric Bob at  AeroElectric.com. But    I've attached the .pdf picture of it.     

   Mike Duane    A207A

Redding, California

XS Conventional Gear

Jabiru 3300    

Sensenich R64Z N

Ground Adjustable  Prop



[b]

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DuaneFamly(at)aol.com
Guest

Posted: Thu Apr 19, 2007 11:13 pm Post subject: More EFIS Thoughts

It just so happens to be the right size to fit under a plastic box lid that  I have. It's open on the sides for wire access.

  

 Do Not Archive

  

 Mike Duane  A207A

Redding, California

XS Conventional Gear

Jabiru 3300  

Sensenich R64Z N

Ground Adjustable Prop



See what's free at AOL.com. 

  [quote][b]

- The Matronics Europa-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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