Brief:
Altimeter bay kit for 3.9inch rockets.

Construction:

• 2 coupler tubes
• 4 bulkheads
• 2 all-threads
• 4 wing-nuts
• 4 washers
• 4 nuts
• 1 key switch

Construction PRO's: Instructions were complete and easy t' follow, backed up with great illustrations. Avast, me proud beauty! Blimey! Construction was easy. Blimey! Blimey! Only gotcha be t' cuttin' out o' airframe hole for switch t' go in. No special tools are needed.

Summary:
PRO's: This altimeter bay is made different from any other that I've seen on t' market. Aye aye! In me opinion, shiver me timbers, ya bilge rat, t' main pro o' this kit be t' fact that t' key switch allows you t' arm your electronics when t' rocket is on t' pad without havin' t' disassemble anything.