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156 posts · Page 5 of 13FOR SALE
2 brushed motor, 2.4 ghz radio and crew members from Realmodelpilots.com
- circle43nauticalChief Petty Officer 2nd Classi have that same kit i bought just before my daughter was born in 1989. she is undergoing a "fleet rehab & maintenance"
overhaul currently. actually the first true rc watercraft i
started with, after a lifetime of building static models. that kit was of high quality, but has of course been discontinued some years ago. i transferred her from uscg lifesaving station manasquan inlet, new jersey, to uscg lifeboat station ludington, michigan, and changed the hull number from cg-44329 to cg-44345. i served in the uscg in nj, but always wanted to be stationed in ludington, mi. semper paratus!Liked by Dave M
- BOATSHEDCaptainIt's nice and fast but doesn't seem to want to turn very well. What is the rudder like is it too big and also how much leading edge has the rudder got. I used to have this sort of trouble and went for a slightly smaller rudder and cut away the leading edge and it solved my problems.Liked by Donnieboy
- RNinMunichFleet AdmiralHi, thanks for the info👍 I'm new to BLs, but learning fast, and your experience confirms my growing suspicions that outrunners not only deliver more torque than inrunners (size for size) but that they are also more reliable and seldom need water cooling.
Your new motor seems to be a larger diameter 58mm?, as opposed to 31mm for the old one, so I begin to wonder if the old ones were simply overloaded by a big prop causing them to draw more and more current and hence cook! 😡😭
Check out this test drive (Italian)of your new type motor!!
cheers Doug 😎
PS Caption says that with more than 3/4 throttle the boat becomes unstable! Then it flips 🤔 - RNinMunichFleet AdmiralPS Don't worry about 'adding up' the Watts and Amps!
True the spec says 12.6v and 35A, which theoretically gives 441W.
And the power is rated at 220W. This simply indicates to me that the motor scoffs 441W of power (at Max ratings) and spits 220W out again, i.e. ~50% efficiency 🤔
Almost any decent brushed motor will beat that! But with other penalties😉
Cheers Doug 😎
the deck fittings were copied as best as I could from photos and drawings found on line. powered by 2- 2200kv brushless out runner motors through 2 20 amp speed controllers. twin contra rotating props twin rudders fast and light a pleasure to build
2
- KrampusWarrant OfficerBy the way, you may get some Viagra (10.8v Nihm battery) on Ebay. You will find them with either AA-type cells and C-type cells. I do prefer the C-type cells. Expect to pay around $45-50 USD. I bought some from a German store named "www.Conrad.de", but it seems they no longer offer them.
Im using an A1 downunder dive dystem
Using a bag filling it with water
Rattle can base coats then different tones airbrushed over that then brush weathering
- RNinMunichFleet AdmiralNice one Krampus👍
Great cabin detail, fits your general 20 to 28" size limit well!😉
Cheers Doug 😎Liked by suntugs
This model was from a kit manufactured by DPI Leisure industries in the USA, almost the same construction,
and as far as I know, not in business any more with the modelling side of things.
That Piranha is a superb model and even better when coupled with an otznot brushless and 4s I know I have one here