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#1
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Peddle Boats
I thought only brokers peddled boats.
;-P Steve "been pedalling bikes for years...." |
#2
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Peddle Boats
I just tore the pedals and rod out of a discarded kid's toy with the idea of some day installing foot operated paddles on one of my one sheet boats. Prelimary thoughts are - 1. to be able to drift into shallow water only two paddles per side at 180 deg. so they can be held horizonal entirely clear of the water. set up a shock cord to hold the peddals in place with the paddles horizontal out of the water. 2. to avoid as much as possible pushing down on the water, use a bent paddle shaft. 3. to mimic arm paddling have the blades on both sides enter teh water at the same time - paddle, glide, paddle, glide - instead of constant churning of the water. 4. to allow a combination of foot peddaling and double blade arm paddling have the option of the foot paddles on each side 90 deg from each other instead of parallel. imagine the power with both feet pedalling and arm paddling at the same time - tandem paddle solo power kayak. -- ------------------------------------------------------------------------------ William R Watt National Capital FreeNet Ottawa's free community network homepage: www.ncf.ca/~ag384/top.htm warning: non-freenet email must have "notspam" in subject or it's returned |
#3
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Peddle Boats
I remember someone a while ago adapted a peddle drive to one of Gavin
Atkin's mouseboats and was quite happy with it. He used a "surfbike" drive. Try this link if it works for you - http://groups.yahoo.com/group/mouseboats/message/1906 -- Andrew Butchart http://www.abutchartconsulting.com/sailing/ - The Floating Bear "Bob La Londe" wrote in message ... I have wondered about the efficiency of peddle power. Glen-L has a nice design for a peddle powered boat, and there are numerous peddle powere ABS plastic boats available for sale at moderate prices both on-line and in the local big box stores. They all have one thing in common. They use a paddle wheel for propulsion. I can see the obvious simplicity in design. A chain from the pedals to the drive axle and its ready to go. In almost all other craft though a propeller desing seems to be more efficient. From big ships to small pleasure craft the propellor seems to be the rule. For a small peddle powered craft would a prop design make the best use of the available power as well? How in the world woudl you go abotu figuring out the optimum size and pitch prop for an application like that? -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 80,000 Newsgroups - 16 Different Servers! =----- |
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