Manufacturer: | FlisKits |
Brief:
The FlisKits EMK4-24-80 motor mount kit allows you to cluster four 24mm size
motors in a BT-80 size body tube. The kit comes with four 4" long 24mm
motor tubes, four motor blocks, and two fiberboard centering rings. Also
included is a nice set of clearly illustrated, well written, and easy to follow
instructions.
Construction:
This kit goes together quite well. You first glue in the motor blocks,
positioning them depending if you are going to be using Estes D motors or the
longer Estes E and AeroTech F21. (I suggest positioning the motor blocks for
the longer size motors, as you can always use spacers when you fly with the
shorter length motors.) After marking the tubes for the centering rings, you
position them one at a time in the rings. Once everything is aligned and the
tubes even, you glue all the pieces together. You need to fill in the gap
between the four motor tubes with tissue and glue in order to prevent the
ejection gases from venting.
I was a little concerned at first as to the strength of the mount since it used fiberboard centering rings. (Cluster mounts I had built in the past used plywood centering rings.) However, once the mount was completed and the glue dry, it feels very sturdy. Plus, the holes for the motor tubes in the centering rings are cut to precise dimensions--I did not have to sand any of the openings, they simply have a great fit.
The only thing you might want to add with this kit would be engine hooks. Engine hooks would make inserting and removing the motors much easier, however, the hooks are not really needed and it's a personal preference for most people as to using engine hooks or not.
I plan to use this mount in an Estes Shadow that I have been waiting to build. When the rocket is complete and has its first launch, I will provide the details.
The EMK4-24-80 motor mount kit sells for a very reasonable $6.65. I recommend this kit if you are wanting to cluster four 24mm size motors.
Overall Rating: 5 out of 5
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G.E. (February 16, 2005)