Technical, Techniques, Hints, and Tips > DC Motors (Brushed) and Speed Controllers
MOTORS
dazz:
HELLO OUT THERE,I HAVE AN OLD AEROKITS SOLENT LIFEBOAT,CAN ANYONE SUDGEST WHAT MOTORS I SHOULD USE PLEASE??MANY THANKS IN ADVANCE ::) ;) ;)
Shipmate60:
How big is she and what size and type of props are fitted?
What is your prefered voltage?
Bob
dazz:
HI,SHE IS 48 INCHES LONG AND ABOUT 12 INCHES OR SO WIDE,MADE OF PLY WOOD ON FRAMES,I WISH TO USE 12 VOLTS,THE PROPS(TWIN) ARE APPROX 30MM DIAM,CHEERS,,PLEASE FIND A PIC OF THE TYPE OF MODEL,DAZ
OMK:
Dazz, I guess you were on tenterhooks waiting for a follow-up reply, eh?
When someone enquires what the size of the model is, or what voltage/props you have, I guess it's a human instinct to assume that more info. will be forthcoming.
I was in a similar situation as you at one time. You don't wanna hear the grizzly details, but in short, the questions I asked were never answered.
So rather than pester my peers with questions that had "newbie" written all over them, I took the bull by the horns and went about some experiments of my own. I dabbled with anything I could get my paws on. Auto windscreen wiper motors... auto heater motors... cordless drill motors... Speed 400... 600... etc, etc.
Same with the props. I simply dabbled with various sizes and pitch, swapping the motors, swapping the props, etc. until good results were found. Lots of disappointment along the way, but the fun and knowledge gained from experimenting is part and parcel of the hobbby.
It helps if you can experiment alone. That way you have no fear of the experts having a good chuckle at the expense of your failures.
From the knowledge that I gained, I've not used a store-bought motor since. They're waaaaay overpriced anyhow.
Stay with it.
And good luck.
Shipmate60:
Nice one PMK,
Unfortunately some of us do have to earn a crust and have been at sea till now.
I would power her with 2 x 550's on a 2.3:1 g/box from Model Slipwey on 12 volts.
Bob
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