Hi Guys.
Just for the experience of it, I installed the Pro Boat Dual rudder conversion onto one of my Impulse 31's this past weekend, setup for P-Mono with a Losi Xcelorin 2100KV 1/8th Scale buggy motor.
Installation was straight-forward. It's basically just another stock rudder and bracket, mounted 180-degrees opposite, with some additional linkages to connect the two.
After spending some time getting them aligned, it was ready to go.
The additional drag will obviously slow the boat some, but with a keel-line that is only about 29" long, the boat is over-powered with these true P-Mono power systems anyhow, and the extra drag aided well in the stability.
Running an X447/3, the boat was still fast, and handled VERY predictably. I raced it in two heats of P-Mono and had a struggle to keep the boat on the water in those first two heats. I had tested in the morning and had it WAY too pinned down, so I had loosened it up a turn or so on the tabs, and that was a mistake.
For the 3rd heat, I raised the strut WAY up... It's a good 3/8" or maybe a little more from the bottom of the strut to the keel. I also turned the tabs down one full turn.
This time out, the boat handling was MUCH improved, and I was rocking along fine, but had a wire unsolder from the motor. This is a buggy motor with the "car-guy" style tabs on it and it appears that I had a cold solder joint to start with. Temps were in the mid-120s...
I'll test this some more and try to get some video too.
Working on seeing what I can do to make something like this survive a heat of real P-Mono style racing. The boat is really happy with P-Ltd power, but gets pretty squirrely when you really start laying the power down.
The dual rudders really seemed to help with that...
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