Itʹs always a good idea to install blind nuts before the part
is glued in place and you canʹt get at it. Seems I forgot that
little piece of advice with the firewall. The firewall takes 5,
4‐40 blind nuts for cowl retention, and motor mounting.
Luckily, there is a big hole in the front of the firewall that I
could still squeeze a C‐Clamp through, and together with
some scrap ply pads to protect the firewall, I was able to
press the blind nuts into place.
Iʹve started on the included dummy motor cylinders. The
crankcase has already been described earlier in this
Copyright© 2007‐11 M.K. Bengtson All Rights Reserved Rev 07/11
thread. The cylinders are made up of a piece of 1/8ʺ sq
balsa, and some other laser cut balsa disks. The disks are
glued to the square piece, and then the supplied pre‐
printed card stock is wrapped around that assembly and
glued in place. Then the cylinder is glued to the crankcase.
Iʹm going to do as the plan suggests and use the twin
carpet thread technique to simulate cylinder fins. Once
painted and highlighted, they will look great.
I have often heard of the mysterious ʺLost Thread
Methodʺ of simulating cylinder fins, but was never really
sure how to do it. The plans suggested this method, so I
Fokker Dr.1 46.7" 1/6 Scale Page 7