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Putt Putt Boats & Engines-Talk,Build,Tips & How To
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mogogear


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PostPosted: Fri May 13, 2011 2:59 pm    Post subject: Reply with quote

That was good info for sure Jean-Yves
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Daryl Canada


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PostPosted: Wed May 18, 2011 8:49 am    Post subject: Reply with quote

A couple of photos regarding some earlier comments.

First is about how to get the putt putt sound from a solid boiler or coil engine. In this case it is stereo sound with two diaphragms on "stalks". Moving the low temp soldered diaphragms away from the heat source means they will stay together while still having most of the advantages of a solid boiler. ie. more power.


This is photo of a boiler with heat tubes running through it. This was an early attempt and although it worked (sort of) it was not great. It is probably worth trying again with all the new knowledge. Originally it was vertical and I don't remember how it ended up this way. If you like building "real" boilers you could give it a try as it looks good and definitely will work.


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Swift Fox


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PostPosted: Wed May 18, 2011 11:18 am    Post subject: Reply with quote

Those both look great Daryl, i quite like the firetube engine and good to hear it works.
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Daryl Canada


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PostPosted: Sun May 22, 2011 8:10 am    Post subject: Reply with quote

This is the engine in the Peck Peck Putt Putt.

http://putputthinktank.blogspot.com/
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mogogear


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PostPosted: Fri May 27, 2011 4:59 pm    Post subject: Reply with quote

Daryl

Perhaps a post her to the link to your newest diaphragm engine video ??
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Daryl Canada


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PostPosted: Sat May 28, 2011 8:00 am    Post subject: Reply with quote

Easy Putt Putt Engine Build Link.

Thanks for the suggestion Mo and here it is:-

http://www.youtube.com/watch?v=NNkZACnaDSQ
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mogogear


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PostPosted: Mon Jun 06, 2011 11:31 pm    Post subject: Reply with quote

Daryl

Do you have any tubing benders or rollers that you use for your engine tubes....... Methods and techniques a plus if you can share...

those big tubes and long nice curves seems above me and perhaps others.


Thanks - I am off in paddle wheel world for the next few months ...or more
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Daryl Canada


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PostPosted: Tue Jun 07, 2011 8:13 am    Post subject: Reply with quote

Quote."Do you have any tubing benders or rollers that you use for your engine tubes....... Methods and techniques a plus if you can share... those big tubes and long nice curves seems above me and perhaps others. "

I did a bit on tube bending in the putt putt forum from last year at
http://modelsteam.myfreeforum.org/ftopic29385-0-asc-15.php
Page 2, May 28/2010

I can certainly add to it if anyone has specific questions and I expect there are others on this forum more expert than I.
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Daryl Canada


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PostPosted: Tue Jun 07, 2011 8:24 am    Post subject: Reply with quote

I have just uploaded to Youtube a follow up to the Fuel Pump Engine video.



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mogogear


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PostPosted: Tue Jun 07, 2011 3:26 pm    Post subject: Reply with quote

Ok--I get it and thanks for answering -- the video looks great too!

I see you are adding some thing to the Think Tank Blog as well...is Jean-Yves having any luck posting to it yet?
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Daryl Canada


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PostPosted: Thu Jun 09, 2011 7:40 am    Post subject: Nice engine from Italy Reply with quote

Found this on youtube. Nice build.


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Stoker


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PostPosted: Thu Jun 09, 2011 2:28 pm    Post subject: Reply with quote

Daryl, you seem to have hit on some method for easily building simple, clean, elegant and effective hulls without much in the way of bulkheads or any other structural member for that matter. Is there any chance you could share your secrets of hull construction with us?!?!?
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Daryl Canada


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PostPosted: Fri Jun 10, 2011 7:54 am    Post subject: Reply with quote

I started to make a video about a year ago on how to make these boats but ran in to problems photographing shiny metal. Scribed lines and even the bends did not show up well enough to be useful. It is still on my to do list. Maybe build one of cardboard with clear black marking while building an aluminum one at the same time. It is really quite simple to build and easy to understand if you have it in your hand. If you have any ideas re photography please let me know.
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Stoker


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PostPosted: Fri Jun 10, 2011 1:43 pm    Post subject: Reply with quote

Thanks for the consideration of doing such a demo. I'm in no great hurry for the info as my workbench is deeply buried and my backlog is formidable. I do think many here would love to learn the secrets of forming such clean elegant hulls, I know I sure would love that info!

As for photographing it, I can only suggest that very indirect lighting with dark colors in areas that might show as reflections on the metals surface might help. Or possibly use an anodized aluminum so that the surface isn't an intense silver color. Maybe use a wide felt tip marker pen to draw in the areas before you make your scribe marks, so that the silver "scratch" will be bordered by black marker ink.

Other than that, your idea of building a cardboard mockup side by side with a metal hull seems like a good way to go.

Again, thanks for considering sharing this info, and thanks yet again for all the wonderful info you already share with us regularly!!!
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Daryl Canada


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PostPosted: Wed Jun 15, 2011 8:35 am    Post subject: Reply with quote

This is a very clever putt putt design from my friend Michel Hare in France.Two engines with 3 pipes each. Thought you might enjoy seeing it. Must get him in next years competition.


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