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PostPosted: Mon Aug 10, 2009 3:03 pm 
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Ditch Crawler wrote:
Aledal wrote:
I really dont know what to think anymore. Or even how to express it. I do know one thing-thanks guys. Im so lucky to have you as friends.

Honey, just give it a go - if it seems quicker, then it probably is quicker - so long as you're having fun, who cares?[/quote
Its a scientific question Ditch. With a yes or no answer.
And Im thinking you can propel the drive faster forward over a moving wave.

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PostPosted: Mon Aug 10, 2009 3:11 pm 
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The drive comes into its own when "surfing". It gives you the acceleration needed to catch a wave.

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PostPosted: Mon Aug 10, 2009 3:16 pm 
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So you`re on an escalater in a department store. You`re going up but you step up also. Would that be an analogy?

So you would propell yourself forward over moving ground that is stationary relative to the boat but also moving forward.

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PostPosted: Mon Aug 10, 2009 3:27 pm 
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Aledal wrote:
So you`re on an escalater in a department store. You`re going up but you step up also. Would that be an analogy?

So you would propell yourself forward over moving ground that is stationary relative to the boat but also moving forward.

If you wanted to go faster you would.

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PostPosted: Mon Aug 10, 2009 4:23 pm 
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Aledal wrote:
So you`re on an escalater in a department store. You`re going up but you step up also. Would that be an analogy?

So you would propell yourself forward over moving ground that is stationary relative to the boat but also moving forward.


Tricky or what?


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PostPosted: Mon Aug 10, 2009 4:31 pm 
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:wink:

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PostPosted: Mon Aug 10, 2009 6:37 pm 
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Location: Central Florida
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I would contend that it would be a rare racing course where an AI with the drive in and being used would not thrash an AI with the drive out. In good wind, the driveless boat might have the edge on a downwind through to beam reach leg, but that would not compensate for the drive's contribution on the other points of sail or when the wind drops. Have you ever tried such a race, Bob?

I rarely remove the drive except for landing, but have in very light wind pulled it and installed the plug for up to a 1mph speed increase. That was after we proved the value of a cheap Barber hauler and added it to each AI (I need some edge! :) )

When friendly racing, we keep an eye on each other as the trailing AI always seems to "accidentally" forget not to peddle to catch up. :)

So, I guess in a round-about way, yes

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PostPosted: Tue Aug 11, 2009 11:49 am 
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So the overall answer to my question is no. The drive doesnt make the boat go faster if the wind is pushing the boat faster than 6 mph. The drive may kick a little but you arent really moving faster. Whatever. At least it generated some thought.


Like whether or not Ditch will actually buy one :D

Thanks guys :D

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PostPosted: Tue Aug 11, 2009 12:04 pm 
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Ditch doesn't have one yet! :o

It is the best purchase I've made in years, probably ever. If you've got the wind (8-20mpg), have the time to sail and the $ to spend, go for it! What are you waiting for? :)

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PostPosted: Tue Aug 11, 2009 12:45 pm 
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Its those terrible taxes they have in our mother country Bob. Which is why we broke away a long time ago...in 1776.
That`s why Phil Collins lives with the Swiss. :D

And Ditch is actually a Lady.
but what a lady...
So Ditch-As Bill O`Reilly would say...I have to give you the last word.

Two Islands are traveling North where winds are from the East/South East...
Island #1 is 500ft ahead of Island#2
Island one has the cassette in place- drive removed.
Island #2 is pumping the drive hard.

Does Island 2 overtake Island 1?

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PostPosted: Tue Aug 11, 2009 3:28 pm 
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Well that explains the "Honey" comment! I was worried about you :D

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PostPosted: Tue Aug 11, 2009 4:06 pm 
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Thanks man-she could probably kill me.
and I`d probably surrender myself to her.

but as we Americans say...
If they dont have an A.I.
They ain`t crap.

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Last edited by Aledal on Sat Aug 15, 2009 2:13 am, edited 1 time in total.

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PostPosted: Tue Aug 11, 2009 8:21 pm 
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Location: Bairnsdale, Victoria Australia
Aledal wrote:
Thanks man-she could probably kill me.
and I`d probably surrender myself to her.

but as we Americans say...
If they dont have an A.I.
They ain`t crap.

:shock: :? .......mmmmmmmm. Back on the beetle nuts again I'd say...Pirate :wink:

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PostPosted: Wed Aug 12, 2009 10:52 am 
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Aledal wrote:
Two Islands are traveling North where winds are from the East/South East...
Island #1 is 500ft ahead of Island#2
Island one has the cassette in place- drive removed.
Island #2 is pumping the drive hard.

Does Island 2 overtake Island 1?


I'm guessing most of this you know, so if anyone knows any better, please jump in, I'm as keen to learn as anyone...
Peddle-power is presumably predictable - it is up to the peddler how hard he/she feels like working. But wind-power is fickle, so the percentage difference peddling will make will depend on the wind conditions.
In your example, you would be almost on a beam reach - your forward motion will put some 'apparent north' in the wind, which might lessen the South in your South-East. If you had a steady force 4 over a flattish sea, then you would probably be creaming along at hullspeed max, having the time of your life - no peddling needed.
In a gusty force 5, over a lumpy sea, your sailtrim might be all over the place, so peddling might be essential in order to keep things steady. In lighter airs, peddling would almost certainly increase your speed.


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PostPosted: Wed Aug 12, 2009 11:08 am 
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reconlon wrote:
Ditch doesn't have one yet! :o


For myself, a revo mirage drive would be very acceptable indeed, but what I need most is a boat which I can throw in the back of the car along with my grandkids, and take them to a place where we can all be getting wet within minutes!

A soft boat with no moving parts, but which would be treated with respect by other boaters.

I have bought an inflatable sitontop kayak which uses the same dropstitch construction as the Hobie inflatables. Like the Hobie, it is not widely available in the UK, but I found a dealer who had imported some remaindered stock, so the price was less than a third of the Hobie inflatable price. So far I have had it on the water once, and it is awesome - next week I have three days at the coast....

Mostly, I would like to be able to instal a mirage drive into a plywood dinghy of my own construction


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