Brief:
This is a motor mount t' accommodate a 29mm motor in a BT-60 body tube. Begad! It is 5 1/4" long.

Construction:
T' package consists o' simple instructions, 2 centerin' rings, a thrust rin' and a motor tube. Avast! Arrr! Construction o' the motor mount be simplicity itself.

T' motor tube be marked 1/4" from one end. Ya scallywag! Begad! T' two centerin' rings were then test fit around t' tube. Well, blow me down! One fit just fine and t' other needed a good bit o' sandin' t' fit around t' motor tube. Ya scallywag! Once they fit, me bucko, me bucko, I placed one even with t' 1/4" mark and t' other flush at t' end. Begad! T' rings were then epoxied in place with 5 minute epoxy. Begad! A thrust rin' was provided and epoxied into t' end with t' flush centerin' ring. Well, blow me down! When t' epoxy on one side was set, arrr, I turned it over and painted it on t' other, arrr, buildin' up a good fillet on t' aft rin' and sealin' together t' thrust ring, motor tube, matey, and centerin' rin' on t' forward end. Avast! After that, me bucko, it was just a matter o' waitin' for t' epoxy to cure.

Flight:
T' mount was tested on two different flights. Begad! Ya scallywag! It handled a Roadrunner F60 and an Aerotech G77. Blimey! I had planned t' use a Roadrunner G80 for t' second flight but could nay because it would nay fit. Ya scallywag! T' Roadrunners have a built in thrust rin' aft but, forward o' that, me bucko, matey, are o' uniform diameter. T' AT SU motors do nay have a thrust rin' aft. Blimey! Begad! They are also necked down t' a smaller diameter where t' ejection charge is stored. Ahoy! Well, blow me down! This allows t' "skinny" part t' slip through t' hole in t' motor mount's forward thrust ring.

As long as this fact is taken into consideration at design time, matey, I can heartily recommend t' mount.

Overall Rating: 4 out o' 5