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Model Forum / Radio Controlled / Water Models / May 2004Powering sail Servos
From experience, what size of battery, remembering the possible limited space available in most yachts, would you use to power the sail and rudder servos. Obviously, they cannot be too large nor can they have a limited in service life (amp hrs) What voltage 12V 9V or 6V? I have not decided on my sail areas yet but possibly Main 1680 sq cm (245 sq in); Jib 900 sq cm (140 sq in) as a guide - certainly not larger that these sizes. The overall length of the yacht is 91/92 cm (36 inches) Any information gained from your practical experience would be welcome ( no doubt useful to others as well) Thanks: Robin >From experience, what size of battery, remembering the possible limited >space available in most yachts, [quoted text clipped - 12 lines] > >Thanks: Robin Use 5 cell flight packs (6v). The receiver will be OK on this and you will be able to sail for hours on a 1000mAH pack. I agree with Henry, but I have some more tidbits. 2000mah NiMH batteries are only AA size and available for under $25, usually. They'll give you even MORE sailing time. On my Robbe Atlantis, where I have the need (and room in the bilge) I use a 4500 6v pack which is a square C-size pack. That powers 2 sailwinch servos, steering, and a couple other doodads. Also, depending on your sailwinch servo, you can direct-wire the battery leads, thereby bypassing the receiver, which will increase the voltage that the winch 'sees'. Alain's site (see replies in this group by A.T.) has wiring schematics. It's easy. Good luck :) > >From experience, what size of battery, remembering the possible limited > >space available in most yachts, [quoted text clipped - 15 lines] > Use 5 cell flight packs (6v). The receiver will be OK on this and you > will be able to sail for hours on a 1000mAH pack. |
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