Hi Mike,

I've made a lot of these for helicopters and some for planes. The sleeves are a very good idea.

The short reason is that the ends will splay out under an impact or stress that bows the rod. The aluminum sleeve epoxied on the end will keep that from happening. Cut the aluminum piece the same length as the insert end of the threaded piece.

You can always either anodize or paint the sleeves.

I use a tubing cutter, and only debur one end. Slip the debured end over the tube after the threaded piece is glued in place. This makes a real nice "one piece" look.

Another way to support the end is to wrap thread around the end forming a sleeve then using CyA on the thread. While not quite as strong as the aluminum sleeve it will work.

Make sure you rough up the inside of the CF tube then clean it out with alcohol to get a good glue joint.

HTH,

Scott H.