PK-66 Ultimate

(1 customer review)

$109.95

The Pk-66 Ultimate is an old LOC standard. Sporting 7x 29mm motor mounts, 6 fins and a payload. This kit is made to handle your transition into the cluster realm. One of the Retro series it’s not for the faint of heart. Light weight and made to punch a hole in the clouds! A 30+ year old classic!  The 29mm motor mounts have been separated slightly to better accommodate today’s thrust ring motors.  Some minor  motor modifications may still be needed for 7 motor flights.
All LOC/PRECISION 4″ Advanced series kits include heavy duty airframe and motor mount tubes, high-grade precision-cut plywood fins, centering rings, rip-stop nylon parachute or streamer, nylon webbing shock cord with sewn loops, and mount, launch lug, polypropolene nose cones and instructions.

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Description

Description

Complexity: Intermediate-Advanced
Diameter: 4″
Height: 58.75
Weight: 3lbs.
Motor Mount: 7x 29mm cluster
Parachute Size: 42″ Ripstop Nylon
Shock Cord Type: NW-20 20′ 3/8″ Nylon with sewn loops
Shock Cord Mount: SCM-3 Eyebolt
Fin Thickness: 1/8″
Ring Thickness: 1/4″
Instructions: Yes
Vinyl Decal Included

PK-66 Ultimate Instruction Sheet

Additional information

Weight 6 lbs
Dimensions 8 × 8 × 36 in

1 review for PK-66 Ultimate

  1. ebrown555 (verified owner)

    The LOC Ultimate was a fun build. The concise, color instructions were easy to follow, and the components fit together nicely; no fancy jigs or advanced building skills are required to enjoy this kit. The six fin design is cool and the kit includes a high quality recovery system and decal sheet. The SEVEN motor cluster makes this the perfect kit to learn all about high powered clusters. You will never get bored of this rocket! I also added some 3/8 inch brass tubing along the giant motor mount to allow an air-start option. It was easy. I just drilled holes in the centering rings and used JB Weld to secure the brass tubing. It took five minutes. I did have to trim two fins to accommodate the brass tubing. I’m super excited to learn about clustering and airstarts; that will be the challenging part. Many advanced rocketeers say friction fitting the motors is perfectly fine, but a quick trip to the hardware store for some all-thread for motor retention and brass tubing for airstarts have made this my most rewarding build ever!

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