RCU Forums - View Single Post - Build - New Version CARF P-51 Mustang
View Single Post
Old 12-02-2012 | 10:00 PM
  #24  
k_sonn's Avatar
k_sonn
Senior Member
My Feedback: (32)
 
Joined: Feb 2002
Posts: 2,587
Likes: 0
Received 0 Likes on 0 Posts
From: Pasadena, MD
Default RE: Build - New Version CARF P-51 Mustang

The standoffs I ordered from PSP arrived so it was time to install the motor. An electric motor can be installed closer to the spinner than a gas motor so the first thing needed was a new firewall. I used a contour guage to get the correct shape of the bottom of the fuse and cut out a couple formers from 1/8th inch aircraft ply and laminated them together with epoxy. I taped a couple of standoffs together to get a length of 3.25 inches and tack glued them to the original firewall. The new firewall was pushed against the standoffs and hysoled in place. This allowed the transfer of the right thrust and down thrust from the original firewall to the new firewall. The next day the firewalls were drilled and the top two standoffs were bolted in place. These standoffs anchor the top of the new firewall and prevent it from moving. Next, the motor was installed using 2 inch standoffs. I also received some 4-40 counter sunk flat head slotted machine screws from Micro Fasteners. I'll be using these to secure the cowl.

Kirk
Attached Thumbnails Click image for larger version

Name:	Us54385.jpg
Views:	374
Size:	288.1 KB
ID:	1826012   Click image for larger version

Name:	Id96529.jpg
Views:	380
Size:	308.4 KB
ID:	1826013   Click image for larger version

Name:	In26943.jpg
Views:	376
Size:	298.1 KB
ID:	1826014   Click image for larger version

Name:	Ha78848.jpg
Views:	350
Size:	258.5 KB
ID:	1826015   Click image for larger version

Name:	Xi62733.jpg
Views:	354
Size:	299.6 KB
ID:	1826016   Click image for larger version

Name:	Uk78082.jpg
Views:	420
Size:	254.1 KB
ID:	1826017