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Old 02-20-2018, 07:28 AM
BGordon's Avatar
BGordon BGordon is offline
 
Join Date: Feb 2009
Location: Burleson, TX
Posts: 89
Default Engine mount clearance

Good morning everyone,
I am hoping to have my engine mount (tail draggin 7) attached to my firewall within the next few days and was wondering. I have seen build websites in which part of the firewall was cut out/grinded down to allow clearance for the landing gear, but I canít seem to find any measurements. Does anyone know where these are, and if they arenít published, what would be an acceptable clearance...1/8, 1/4Ē?
Thanks in advance,
Brandon
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  #2  
Old 02-20-2018, 02:16 PM
n4322b n4322b is offline
 
Join Date: Jul 2014
Location: Scotland
Posts: 12
Default

The mount, just, goes on to the firewall without modifying the lower part.
Then if you put a flashlight/led light on top of the leg socket on the mount, the resultant illuminated area on the firewall below the socket is the part that needs cut away for the legs.

You can mark it, with a little difficulty, or simply grind the illuminated area. Others used a carbide burr for the job.

Cheers
Ian
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  #3  
Old 02-20-2018, 06:56 PM
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Bob Martin Bob Martin is offline
 
Join Date: Jan 2005
Location: Richmond, Virginia
Posts: 1,095
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Just remember, that whole area gets covered with a fairing.
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