[hpv-boats] human powered yacht?

[v garza]

Steve Roberts of Nomadic used a spinfin to power an early fairly large boat 
at one time:

http://microship.com/

Vic
----- Original Message ----- 
From: "Sam UK" <sam at bristolwireless.net>
To: <hpv-boats at bikelist.org>
Sent: Sunday, August 22, 2010 6:15 AM
Subject: [hpv-boats] human powered yacht?


> Hi All
>
> I have a 22 ft kingfisher yacht http://www.kyoa.org.uk/k20+technical.htm 
> I
> am interested in powering it partly through human power when I am on 
> inland
> canals etc.
>
> I will also have a conventional outboard for when I get tired!
>
> I plan to make a Yuloh http://simplicityboats.com/yulohpage2.html which I
> would hope to be able to use for about 2 hours a day. eg
> http://www.youtube.com/watch?v=u7MQsdLpWaM
>
> In addition seems to make sense to use your more powerful  leg muscles to
> power the thing. I realize that the boat will not move fast, and that it
> will be hard work.
>
> The boat has an outboard well inside the boat and I am hoping to be able 
> to
> make use of that to install a pedal system.
>
> 1) Has anyone ever fitted a mirage drive to a boat this big? With what
> results?
>
> 2) I am aware of the escargot
> http://www.mission-base.com/pedal-power/pp_escargot_photos.html are there
> any other large pedal powered boats out there?
>
> 3) I have had a browse on these archives, and have seen people making 
> props
> out of model aeroplane propellers, would the prop need to be longer for 
> such
> a heavy boat?
>
> 4) I am thinking of aiming for this kind of set up
> http://www.openwaterbike.com/components/drive-units/mark-drela-drive-system I
> thought I might start with this cheap gearbox
> http://www.maplin.co.uk/Module.aspx?ModuleNo=43541&C=Froogle&U=43541&T=Module
> and
> upgrade it later if the boat actually moves under pedal power.
>
> Any comments or suggestions?
>
> Thanks
>
> Sam
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