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View Full Version : This boat goes 50mph?I doubt


Mel279
05-04-2009, 06:56 PM
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=140318548306
Mel279
05-04-2009, 06:59 PM
ops sory wrong place...how can I move it to Fast Electric Rc Boating Questions and Answer Forum?
brad65
05-04-2009, 08:11 PM
with 6s its possible
JimClark
05-04-2009, 08:14 PM
It also is a 4400KV motor on 6s I believe it
RCprince
05-04-2009, 10:53 PM
6s = 22.2 x 4400kv = 97680 x .80% = 78144kv spinning a x42mm prop...extremely unlikely.
Fluid
05-05-2009, 10:48 PM
I see no reason why it could not go 50 mph. It is a flat bottomed boat, and while the motor never got to 80,000 rpm it could have gone 50 easily for a single SAW pass. An x442 (or was it an x642?) only has to spin around 32,000 rpm to hit 50 mph. The setup is all wrong, too high a Kv for 6S, but it could have done it. The rigging looks pretty solid. The guy has sold a lot of boats and has 100% pos feedback. I vote yes for 50 mph.



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Steven Vaccaro
05-06-2009, 04:20 AM
I see no reason why it could not go 50 mph. It is a flat bottomed boat, and while the motor never got to 80,000 rpm it could have gone 50 easily for a single SAW pass. An x442 (or was it an x642?) only has to spin around 32,000 rpm to hit 50 mph. The setup is all wrong, too high a Kv for 6S, but it could have done it. The rigging looks pretty solid. The guy has sold a lot of boats and has 100% pos feedback. I vote yes for 50 mph.



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I agree. But have to wonder how long the lipo's or esc will last at a motor running at only 40% efficiency?
Tony
05-07-2009, 09:26 AM
Heck. Just come back to OSE and buy a new motor should that one breaks.:beerchug:
Ocean Racer
05-09-2009, 02:37 AM
Whoever picks this up needs to get a little higher amp ESC he said he is running a 120amp Brushless with a 130amp ESC. It always better to have a little more le way than that.
Blackjack-sven
05-09-2009, 09:57 AM
Whoever picks this up needs to get a little higher amp ESC he said he is running a 120amp Brushless with a 130amp ESC. It always better to have a little more le way than that.

:iagree: When I go out and buy stuff for my planes, cars, heli's, or boats, I make sure that the max amp draw of the motor can be handled easily by making sure the esc and batts are rated at 50% more at least. So in that case I'd get a minimum of a 180amp ESC or greater. Just ny two cents :beerchug: