[hpv-boats] Pedal Thruster

[v garza]

Cool, thanks for the video and pics, Rick. Where did you find a model air 
prop that was stiff enough, or did the standard fiberglass type work well 
enough?

Vic
----- Original Message ----- 
From: "Rick Willoughby" <rickwill at bigpond.net.au>
To: "HPV Boat" <hpv-boats at bikelist.org>
Cc: <georgeabbott at mitrpak.com>
Sent: Sunday, February 13, 2011 4:35 AM
Subject: [hpv-boats] Pedal Thruster


> We did some testing of the pedal thrusters I made for the sailing 
> catamaran today.
>
> Here is a video of one in operation:
> http://www.rickwill.bigpondhosting.com/pedal_power.wmv
> I was pedalling as well while videoing hence the camera movement.  We 
> were able to sustain 2kts into a mild headwind.  In calm conditions  we 
> got to 2.3kts at sustainable power.  Sprint speed was 3kts.  Not  very 
> impressive speed but the boat weighs 8 tonne.
>
> The thrusters fold up when not in use:
> http://www.rickwill.bigpondhosting.com/folded_pedal_thruster.jpg
> Each unit has two Mitrpak gearboxes.  The top box with the cranks has  a 
> 1:2 ratio.  The bottom box is 1:1.  Prop is 30X20 model aircraft.   Each 
> unit weighs 11kg.
>
> Rick Willoughby
>
>
> --
> This message comes to you via the hpv-boats at bikelist.org mailing list, 
> sponsored by http://www,HuPI.org/
> Visit http://bikelist.org/mailman/listinfo/hpv-boats to manage your 
> subscription.
> 


--
I am using the free version of SPAMfighter.
We are a community of 7 million users fighting spam.
SPAMfighter has removed 1166 of my spam emails to date.
Get the free SPAMfighter here: http://www.spamfighter.com/len

The Professional version does not have this message