Question for experienced Cat drivers
#25
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iTrader: (1)
I also think when you get off the throttles the props stop lift the back of the boat as that is what the cleaver props are doing lift the stern so that also make it worse together whit dave s explanation about the mass in the back want to pass the bow you get a disaster .
#26
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I like the idea of the spoiler/canard in the front! Most of the really fast tunnel hull jet boats run one!
#27
its really pretty simple airplanes rotate on takeoff but do not flip do to aerodynamic controls a big flap on the nose that could deploy is a split second would stop the upward rotation of the nose or bow we do have the knowledge and technology to stop cats from blowing over period
#28
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iTrader: (3)
unsolveable equation there.....
Sure you can make a 200 mph boat more stable, but then you will put more hp in it untill it again becomes unstable
because of the psychological factor. People like us like to be on the edge, if you move the edge farther away, we just go farther to find the edge. A few years ago 200 mph was the edge, Qatar is now knocking on 250. A few years ago a cat going over at 180 was unsurvivable, today they survived. canopies/safety cells have improved but that was 179 not 244.
Sure you can make a 200 mph boat more stable, but then you will put more hp in it untill it again becomes unstable
because of the psychological factor. People like us like to be on the edge, if you move the edge farther away, we just go farther to find the edge. A few years ago 200 mph was the edge, Qatar is now knocking on 250. A few years ago a cat going over at 180 was unsurvivable, today they survived. canopies/safety cells have improved but that was 179 not 244.
#29
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That all depends on the setup and props. Some props provide stern lift while others provide bow lift.
#30
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I can't imagine they had much if any stick left to add additional power to force the bow back down. Looking at the video, it does appear it was trimmed up pretty high, being a Monday morning QB, probably too high. I'm sure it takes a lot of high speed cat experience to learn the feel of what's semi-safe and what's too much. Sadly at those speeds most never get a second chance to learn what 'too much' feels like. This is where having someone with vast amounts of high speed cat experience (like JT) in the boat is priceless.
Sadly all it takes today to get into a 180+ mph cat is a big wallet. Those speeds should be approached very slowly and with a lot of respect for the danger involved. Hopefully Mike makes a full recovery, but I'm sure he'll be a little less aggressive with the trim the next time those speeds are approached in a cat.
Sadly all it takes today to get into a 180+ mph cat is a big wallet. Those speeds should be approached very slowly and with a lot of respect for the danger involved. Hopefully Mike makes a full recovery, but I'm sure he'll be a little less aggressive with the trim the next time those speeds are approached in a cat.