Fluid
07-15-2012, 08:27 PM
I received what was apparently a pre-production hull with hardware only. It was neither painted nor decaled, it just had the stock hardware. Unfortunately the tunnel floor was too thin and instead of being a nice flat, straight line from bow to stuffing tube it was deeply bowed. This would not work, so I cut out the inner hull tub, clamped the tunnel floor to a 1x4 wooden board and put down some carbon/Kevlar. This brought the bottom back to the designed shape.
I tore off the stock hardware and installed the SpeedMaster stuff from my MeanMachine, replaced the stock cable with 3/16” material in a ΒΌ” OD brass stuffing tube, and glassed in some short G-10 stringers for the motor mount. When I tested the MC prototype I had great luck with the factory 1800 Kv motor, so it remained as did a spare AquaCraft 60 amp ESC (with monster cap).
I blueprinted the sponson bottoms and plugged the unused transom holes with epoxy. The cat runs great with an m445 prop, hitting high 40s easily and finishing a 6-lap heat in 100*F weather with nothing over 130*F. This is a fun boat which I'll race in the P-LOS class the club runs. It is much faster than my OSE-lay-up MeanMachine was with the identical parts.
80894
The boat with the inner hull cut out.
That is all the floatation I found inside.
80893
Overall layout after carbon/Kevlar.
80892
Front of the hull showing motor mount.
80890
Another view of front showing motor and ESC.
80889
Detail of aft end of hull showing servo mount
and carbon rod/silicone tubing used for pushrod seal.
The boat runs completely dry inside with the setup shown.
.
I tore off the stock hardware and installed the SpeedMaster stuff from my MeanMachine, replaced the stock cable with 3/16” material in a ΒΌ” OD brass stuffing tube, and glassed in some short G-10 stringers for the motor mount. When I tested the MC prototype I had great luck with the factory 1800 Kv motor, so it remained as did a spare AquaCraft 60 amp ESC (with monster cap).
I blueprinted the sponson bottoms and plugged the unused transom holes with epoxy. The cat runs great with an m445 prop, hitting high 40s easily and finishing a 6-lap heat in 100*F weather with nothing over 130*F. This is a fun boat which I'll race in the P-LOS class the club runs. It is much faster than my OSE-lay-up MeanMachine was with the identical parts.
80894
The boat with the inner hull cut out.
That is all the floatation I found inside.
80893
Overall layout after carbon/Kevlar.
80892
Front of the hull showing motor mount.
80890
Another view of front showing motor and ESC.
80889
Detail of aft end of hull showing servo mount
and carbon rod/silicone tubing used for pushrod seal.
The boat runs completely dry inside with the setup shown.
.