Lagoon 420 Owners & Fans - Page 72

Jeannius · 30-07-2009, 18:51

You, of course, are the winner Geoff. Wind generators and solar panels - unless you cover every square inch of the boat surface - will never be able to provide the motive power for a 420.

by the way... I seem to see Annie's Toy virtually everyday here in the BVI so I must have seen you.

ess105 · 30-07-2009, 19:27

We have a fair bit of Solar but no wind power. Simple math settles this one. To motor we run anywhere between 30W and 75W per motor at 72V. That's one hell of a lot of wind power to go a short distance. In practice the renewables (in my humble oppinion) serve best to top up the house bank. We find we always consume more than we produce so we tend to top up the house from the drive bank each day for an hour or two. In silence. At anchor, we run the genset to power the washing machine once or twice per week and for the hour it runs we top up house and drive banks.

Cruising we don't move often so we live blissfully apart from the generator except for when the washing machine runs and that is much better than going to the laundry. We end up sometimes having to turn the generator on to motor out because we've lowered the drive bank charge but that's not a big deal.

motion30 · 30-07-2009, 21:33

how much differance is there between the running surface between the sail vs the power cat?

30-07-2009, 18:51	#1066
Jeannius Registered User Join Date: Dec 2005 Location: Grenada and Worcester U.K. Boat: Privilege 435 Posts: 284	You, of course, are the winner Geoff. Wind generators and solar panels - unless you cover every square inch of the boat surface - will never be able to provide the motive power for a 420. by the way... I seem to see Annie's Toy virtually everyday here in the BVI so I must have seen you. __________________ Mike http://www.sailbvi.net/Jeannius http://sailingjeannius.blogspot.com

30-07-2009, 19:27	#1067
ess105 Registered User Join Date: Sep 2006 Location: Caribbean - cruising Boat: Lagoon 420 (Dignity) Posts: 554	We have a fair bit of Solar but no wind power. Simple math settles this one. To motor we run anywhere between 30W and 75W per motor at 72V. That's one hell of a lot of wind power to go a short distance. In practice the renewables (in my humble oppinion) serve best to top up the house bank. We find we always consume more than we produce so we tend to top up the house from the drive bank each day for an hour or two. In silence. At anchor, we run the genset to power the washing machine once or twice per week and for the hour it runs we top up house and drive banks. Cruising we don't move often so we live blissfully apart from the generator except for when the washing machine runs and that is much better than going to the laundry. We end up sometimes having to turn the generator on to motor out because we've lowered the drive bank charge but that's not a big deal. __________________ Dignity on the web

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30-07-2009, 21:33	#1068
motion30 Registered User Join Date: Feb 2009 Posts: 227	how much differance is there between the running surface between the sail vs the power cat?