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  #1  
Old 10-22-2017, 09:07 AM
Kalibr Kalibr is offline
 
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Default Lightest, least expensive EIS?

What would be the lightest least expensive option (with or without integration with an existing EFIS) for getting RPM, OP, OT, CHT and EGT (plus possibly fuel pressure) on a 4 cyl Lycoming? Is it GRT EIS?
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  #2  
Old 10-22-2017, 09:16 AM
Kyle Boatright Kyle Boatright is online now
 
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Quote:
Originally Posted by Kalibr View Post
What would be the lightest least expensive option (with or without integration with an existing EFIS) for getting RPM, OP, OT, CHT and EGT (plus possibly fuel pressure) on a 4 cyl Lycoming? Is it GRT EIS?
I think so. That's why I purchased one a few years back. MGL's Extreme EFIS might be a contender too.
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  #3  
Old 10-22-2017, 10:37 AM
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Snowflake Snowflake is offline
 
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Does it have to be in one box? If not, check out MGL's discrete instruments as well. They are available with various combinations of capabilities. I have a 3" one for CHT/EGT (all four cylinders), and two 2" ones for fuel flow/levels and oil press/temp.
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  #4  
Old 10-22-2017, 11:00 AM
gasman gasman is offline
 
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Quote:
Originally Posted by Kyle Boatright View Post
I think so. That's why I purchased one a few years back. MGL's Extreme EFIS might be a contender too.
Go to each website and add up all that's needed.

Then consider the installation. You will have at least 20 wires going from the engine to the EMS. On the MGL, all of these wires connect to a small unit mounted by the motor and only three wires pass through the firewall to the screen.

Later on when you want to add a feature, you just connect it to the engine side unit..... no diving under the panel to add a few wires to the already big bundle under there.

I just added an oil temp probe to my XTreme to replace Van's probe and gauge...... Total time 15 minutes. And I never stepped into the airplane or reached under the panel.

When I fired up the unit,, I noticed that all 4 egt's and all 4 cht's read exactly the same. The OAT and the oil temp were one degree higher.

Do read all of the features, it is very impressive as an EMS or an EFIS..... http://www.mglavionics.com/html/xtreme_ems.html
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  #5  
Old 10-22-2017, 01:30 PM
Kalibr Kalibr is offline
 
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Thank you! I will check out the MGL offerings.
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  #6  
Old 10-22-2017, 05:58 PM
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catmandu catmandu is online now
 
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Don't commit too early in your build. These guys, I hear, are working on an engine monitor. Price point TBD, but look at the relative price point to their other offerings.
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  #7  
Old 10-22-2017, 06:54 PM
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RVbySDI RVbySDI is offline
 
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If you are really interested in the lightest weight instruments you might consider these:
http://www.beliteaircraft.com/electronics/
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