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lister 15hp inboard help needed

Posted: Mon Jul 19, 2010 10:12 am
by ksl
hi
i have a 15hp lister inboard ,i get 5 knots top speed ,is this about right,
boat is 23ft oak weighing about 6 ton.anyone know how to speed it up if the above is correct.
many thanks
Ian

Posted: Mon Jul 19, 2010 11:30 am
by whitbydiver
:D hi ian if u phone lancing marine they will do a calculation for u and tell u wot prop size u need and wot top speed e will get out of ur vessel,remember its not always the size of the prop that matters but the pitch of the prop.
i hope this helps.
rolling swells.
whitby

Posted: Mon Jul 19, 2010 11:31 am
by rabbi2
It will be down to prop size and pitch and I am unsure just what the engine will take. A marine engineer would be better qualified to give you sound advice
Cheers
keith :D :D

Posted: Mon Jul 19, 2010 11:39 am
by whitbydiver
ian lancing marine based in sussex,tel 01273 410025 email data@lancingmarine.com.
they will need the engine size,boat type ie displacement hull or semi displacement hull,boat wieght and all dimesions ie length overall and beam and draft.
i hope this info is of use to you.
p.s do we ave an echo on ere keith lol.
whitby

Posted: Mon Jul 19, 2010 1:15 pm
by ksl
thank you for your advise will phone them .

Posted: Mon Jul 19, 2010 2:34 pm
by whitbydiver
:D no worries mate thats wot boat owners do they look out for each other
whitby

Posted: Mon Jul 19, 2010 2:51 pm
by whitbydiver
:D hi ian sorry to drag this on a bit but ive just been checking lansing marines website an u can request the info over the net that may well get u a quicker answer,and its cheaper than a fone call.
whitby.

Posted: Mon Jul 19, 2010 6:40 pm
by jacko69
they will also need to know the ratio of your gearbox but i would say the speed you are getting is about right for a soggy log

Dave

Posted: Mon Jul 19, 2010 6:45 pm
by rabbi2
Must have posted just after yours as I didn't see it lol :D :D

Mind you 2 great minds think alike! :D :D >:) >:) >:)
Cheers
keith :D :D