Does anyone here have any experience with karvin electric outboards
Nick b
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From: "Daniel Michaels nov32394@yahoo.com [electricboats]" <electricboats@yahoogroups.com>
Date: 2017-04-24 9:46 PM (GMT-05:00)
To: electricboats@yahoogroups.com
Subject: Re: [Electric Boats] Long shaft outboard for electric conversion - which one?
Scott 30" would be min. Be The batteries sit end to end in two rows with one battery sitting overlap in the third row. ==
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The motor sits on the other side of the lone battery. The cables will come from the lone battery across the two rows to the motor. Each row is 7".
[Attachment(s) from Scott Masterson smasterson2@gmail.com [electricboats] included below]Some additional information on using too large of a lower leg on electric outboard conversions.Elco is a long standing manufacturer of electric marine propulsion solutions. They have been in business for over 100 years. It is safe to say that these folks know what they are doing.They offer three electric outboards rated as follows:4,320W (5.8HP)6,240W (8.4HP)7,920W (10.6HP)For the 4,320W (5.8HP), they use a 5HP lower leg. (See "parsun 5 hp" pic attached and compare it to the "elco 4320 pic attached.)For the 6,240W (8.4HP), they use a 10HP lower leg. (See "parsun 10 hp" pic attached and compare it to the "elco 6240 pic attached.)For the 7,920W (10.6HP), they use a 10HP lower leg. (See "parsun 10 hp" pic attached and compare it to the "elco 7920 pic attached.)They do this because they match the lower leg to the rated power of the motor. If you use too large of a leg, you will be inefficient and will overheat before you make the rated power. I still agree to the benefits of low end torque that an electric motor provides. It is beneficial to low speed propulsion, but power needs RPM.I hope this clears things up.Scott
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Posted by: 63urban <63urban@gmail.com>
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