Model Boat Mayhem
The Shipyard ( Dry Dock ): Builds & Questions => Yachts and Sail => Topic started by: meatbomber on November 13, 2010, 11:06:59 am
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Hallo Shipmates,
Mark Steele a Collumnist for Duckworks e-zine and marine model international, has issued a challenge to seek the smallest RC Schooner on the planet. I like schooners and small RC models so i couldn`t pass on to this one ;) The model of choice for me was teh Schooner Yacht America of 1851. A relatively simpel rig and very very nice lines make this undoubtedly one of the best looking yachts ever to be built in my oppinion!
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/DSC_0114.jpg)
As the scale i selected 1/85 so she will fit to my small St. Helena packet. That made for a relatively "large" 36cm length on deck but the displacement is only about 250g which is borderline to whats possible, to handle the 7,1dmē of sail area.. at least for me :o
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/DSC_0115.jpg)
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/P1020041.jpg)
All sails sheets run of a single servo. There is a 200mAh 2S Lipo for power and a BEC to run the servo and RX. space below decks is at a preminum... The sail servo is a relatively strong HS82MG that i hope will provide sufficient torque to sheet the sails.
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/P1020057.jpg)
Sails are made from ripstop material, a first for me, working with a hot knife and textile glue. The results are pretty satisfactory in my eyes ;) there is still some detailing to be done tho... the Gaff halyards are bowsie adjustable so i could later one with teh addition of reeflines make fore and mainsail reefable.
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/IMAG0130.jpg)
With a plexiglas keel of 25cm length and about 100g of ballast i went for the first sea trials :) unfortunately absolutely ZERO wind... it was howling storm the whole day, and wind warnings for the night but exactly at teh hour i have had time to go to teh lake a total calm.
But at least i saw that she has no leaks, the rudder provides sculling power and the trim is correct... i hope to have a proper sail report soon !
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/IMG_0200.jpg)
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/IMG_0196.jpg)
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Nice one Phillip ---You do churn them don't you.. I wish I could work 1/4 of that fast
Jimmy
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well the above post is a condensation of 6 months of procrastination ;) i would say there is about 20 hours work in it in total...
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Had the REAL maiden today :) this time wind from SW by W 5kts gusts 10kts.
Put her in teh water and she took of, straight as an arrow close hauled. Ballance is near perfect. so perfect in fact that she won`t tack... i could wear anytime and in any direction (even towards the main boom in gusts) so it can`t be the rudder being too small. Else she is running great, weatherly, fast and looking great on the water :)
so now i need some advice as to how change the configuration to enable tacking. maybe the keel a bit forward ?
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/DSC_0213.jpg)(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/DSC_0210.jpg)
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/DSC_0206.jpg)(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/DSC_0217.jpg)
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/DSC_0205.jpg)
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I set the keel further forward by a total of about 2,5cm. Tacking now works much better! I had Zephers only but America at only 250g reacts to the lightest stir :)
I hope for another sail with a bit more wind but i doubt this year.. now its -10° so i fear after tonigth the ponds will be frozen...
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/CSC_0302.jpg)(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/CSC_0301.jpg)
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/CSC_0305.jpg)(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/CSC_0304.jpg)
(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/CSC_0298.jpg)(http://i876.photobucket.com/albums/ab324/meatbomber/America%20Schooner%201851/CSC_0305.jpg)
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She looks a picture Phillip... I Was down at our lake on sunday and it was half frozen ...This is the earliest it has ever frozen Normally its in Jan or Feb and then only for a few days... The W/x has gone mad
Jimmy
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nice looking model well done ! not the only one who puts a sail boat into the lake and the wind dissapears !