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REV 2.4 - Mon Oct 24 16:46:34 2011

Madcow
Hawk MIM-23B
24338 El Toro Rd #E-134
Laguna Woods, CA 92637
(949) 547-8847
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SPECS: 36.25" x 2.6" - 21 oz
ROCKSIM FILE: Right Click to Download
SpaceCAD FILE: MISSING - please submit here
REC'D MOTORS: F20-7, F50-6, G38-7, G40-7, G80-7, G77-7, F40-7, G33-7, G64-7

Rating
(Contributed - by Patrick Bissonnette - 05/25/08) Madcow Rocketry MIM23b

Brief:
The U.S. Army MIM-23B Hawk is another beautiful model from Madcow Rocketry. It can be purchased in either 29mm or 38mm motors options. My brother chose the 29mm because those motors would fit his budget better.

This review was followed by me as my brother built most of it.

Construction:
The kit includes:

  • 1 Plastic cone with eye bolt
  • 1 Balsa tail cone
  • 1 Pre-slotted 2.6in body tube
  • 1 29mm motor tube
  • 1 Centering Ring
  • 4 Laser cut fins
  • 1 Kevlar® shock cord section
  • 1 Nylon shock cord section
  • 1 Nomex® heat shield
  • 1 24in chute
  • 2 1/4in launch lugs
  • 1 Set of vinyl decals
  • 1 1/8in spruce tip stock
Madcow Rocketry MIM23b

The components in this kit are all top notch. The Nomex® heat shield and Kevlar® cord are nice additions.

My brother built 90% of the kit. I followed along as he built it so I could help out and get this review written. Although this was his first MPR kit to build there was no trouble. I can't say the instructions are all that great. It could use some extra illustrations for the beginner, but we really didn't use them anyway.

Elmer's Wood Glue, 5min epoxy, and a little JB Weld was used throughout the rocket.

Madcow Rocketry MIM23b Everything was pretty much built stock. The only big thing we added was motor retention. Madcow expects you to friction fit the motors. That's fine for SU motors, but I'm not going to risk reload casings that way. I added 2 T-nuts to the bottom of the tail cone. I plan on using small washers to hold the motor in.

Finishing:
My brother decided to deviate from the scale paint job and attempt something a bit more challenging. Rather than masking the rocket, he painted the body tube before the fins were on. This was a bad idea because I had to sand away some of the paint before attaching the fins and it messed the paint job up a bit. Paints used were Testors Jade Green Metal Flake, Testors Chrome, and Model Masters Metallic Black.

Construction Rating: 3 out of 5

Madcow Rocketry MIM23b

Flight and Recovery:
We finally flew it. We were planning on getting 2 flights, but only got 1. The first flight was on an F40-7 (recommended motor) The boost was great. Unfortunately the delay was way too long and the deployment zippered it about 7in. It is repairable and we plan one flying it on a G next.

Flight Rating: 4 out of 5

Summary:
It is sturdy and should be able to take up through a mid H motor. I would recommend this rocket to anyone looking for a new mid power rocket. The instructions could use some work for a beginner and I think adding motor retention would be a nice touch too.

Overall Rating: 4 out of 5

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GUEST's OPINION:
04/10 - "Nice review! I purchased the Hawk after reading this review. A great kit overall and it always draws comments at the range. A great flier too! I cut a channel in the tail cone along the motor mount and used JB Weld to mount about 6" of 3/16" diameter threaded rod for motor retention. I found the included nylon shock cord to be a little short for my weighted nose cone. (My first flight resulted in some fin damage when the nose hit one of the fins at ejection.) While it was down for the fin repair I converted it to a zipperless + baffle design and added a longer harness. " (V.P.I.)

[Enter Rocket Specific Tip]

SPECIFIC ROCKET TIP:
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[Enter Flight Log]
Date Name Motor Ejection/
Altitude
Wind Notes
03-09-2008 Peter Davidson AT EconoJet F42-4 Apogee - NC Down Calm Event: Dandenong Wetlands (AUSTRALIA)
Cold War Killer - Maiden flight. Truly beautiful arrow-straight flight to an easy 700ft, couldn't have asked for better. Flawless textbook recovery nearby (narrowly missing a tree), no damage upon retrieval.
03-30-2008 Peter Davidson AT EconoJet F20-4 Apogee - Perfect 5-10 mph winds Event: Dandenong Wetlands (AUSTRALIA)
Cold War Killer - Perfect straight flight, very impressive to watch. Rocket drifted a long way during recovery, retrieved undamaged from a low tree.
04-10-2010 Vince Iazzetta AT RMS G76-7 Apogee - Perfect 10+ mph winds Event: Swan Falls, ID
Hawk-X - Nice boost to about 1,000 feet. Arched over into the steady breeze after burnout. Ejected just as it became horizontal.

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