Disney Nautilus RC Submarine

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tyourk
November 06, 2006

More math about the Nautilus than most would care to know. http://www.rcgroups.com/for... 7ft web page http://home.comcast.net/~by... Up until the last two times I've conducted speed tests I th...

More math about the Nautilus than most would care to know.

http://www.rcgroups.com/forums/member...

7ft web page

http://home.comcast.net/~byourk/7foot...

Up until the last two times I've conducted speed tests I thought the nose dive effect was possibly an artifact of the model not applicable or insignificant to the full size or large replica.

However, now, I am convinced that a larger model or full scale could not escape this effect. I've concluded that it's inherent in the shape of the hull. On the last test I was certain the sub would stay afloat. But contrary, down it went of its own accord. This indicates to me that the effect (nose dive) is related to speed. What I don't know is, if, on a larger sub the effect is relative to speed (increase to a greater speed proportional to size), or if the speeds I achieve with the model are absolute for the effect to take place. In other words once this speed (or slightly faster) is reached the sub (at any size) will nose dive. In the speed test video any scenes showing the sub submerging (beginning and end) are at 24 volts set up (greater speed). Otherwise it's rock steady and smooth at 12 volts (lesser speed).

In the first frames showing the sub submerging, setup at 24 volts, I cut the power as soon as it went under, you can see (possibly) that it levels out and then I sent it straight out at about 2-3 ft under water.

To see what the effect would be without releasing the forward controls I sent it out straight. This is seen in the last part of the video. It hit bottom in about 15-20 ft depth, about 150 ft from shore. I started the run again from this point (where it's seen submerging again), and it came up on the other end of the pond.

If it were not for the upward curve to the side rakers it would have leveled off and traveled straight across at some (unmeasured) depth without surfacing.

Category: Entertainment

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Disney Nautilus RC Submarine RCSub 20000 Leagues Under the Sea Jules Verne Dakkar Mysterious Island

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FalconKPD (4 months ago) Show Hide

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Cool.

eustonianboater (1 year ago) Show Hide

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please post a photo of the open hull showing all part layouts and may I suggest you send a copy to RC Boater for an article on it.
Quite impressive engineering

dioricees (1 year ago) Show Hide

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AWESOME! Great model!
I went to SCAD, and this looks like Lake Mayer! There was never a Nautilus there when I did my cardboard boat race!(I won mine BTW). But this is amazing! Must go see this one in person some time!

tyourk (1 year ago) Show Hide

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Whenever you can make it to Savannah let me know and we can plan for Lake Mayer. Tom Triplett Park is good too.

vinny4punt0 (1 year ago) Show Hide

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thats a gr8 idea XD

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vinny4punt0 (1 year ago) Show Hide

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i got it all together speed controllers and stuff batterys 12 v and 6 v ballast tank water pump driving shafts
all i nee to do next is put it all together

vinny4punt0 (1 year ago) Show Hide

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ok i have boght pars and stuff but wtf is a futaba conection system and j/r???

tyourk (1 year ago) Show Hide

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Only the radio electrics are water proof in a sealed pvc pipe. There is no propeller, the sub is entirely jet propelled. Bilge pumps commonly available at your local marina are in effect miniature turbines. They provide thrust to provide all direction to the submarine.

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Disney Nautilus RC Submarine

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