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Alteration 08 Jabiru 3300
08.01 Bottom Mount 08.02 Top Mount 08.03 Firewall  
       
Page 08.02
Top Mount Reinforcement
NOTE: Any alteration will require it to be registered as Experimental-Amateur Built  E-AB
Parts
1 F-1202 Panel Base
     

This Alteration is to add a Jabiru 3300 

This Design is not tested or approved by anyone.

Reinforcement for the top engine mount.

Step: 01 Make the F-1202B Panel Base Doubler from a F-1202 Panel Base.
( order from Van's )

Cut out as shown in photo at the right.

01/26/13
Step: 02 Cleco the F1202B Panel Base Doubler under the F-1202 Panel Base and mark the fan holes as shown in the photo on the right.
Remove the clecos and mark the center of the two fan cutouts.

01/26/13
Step: 03 Use the appropriate size hole saws to cut out the fan holes then use the appropriate size drum sander to open the holes to the size required.

01/26/13
Step: 04 File the top front end of the right and left F-1255 Longerons to match the radius of the front of the new panel base doubler


01/27/13
Step: 05 Cleco the F-1202B Panel Base Doubler  to the bottom of the F-1202 Panel Base. Make a template to draw a radius on the doubler flange as shown

01/27/13
Step:06 Cut the doubler as shown then match-drill and cleco as you go

01/27/13
Step: 07 This doubler help the engine loads get to the longerons.

01/27/13
Step: 08 Radius the ends of the doubler as shown this will fit down in front of the F-1255 Longerons. The radius you filed in the top of the front end of the Longerons in Step:4 should match the bend radius of the flange bend in the new doubler.

01/27/13
Step: 09 Make a engine mount back-up reinforcement doubler out of 4130 steel.

03/24/14
Step: 10 Match drill all the holes into the doubler as shown.

03/24/14
Alteration 08.01 Jab 3300
08.01 08.02 08.03                
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