Dominion 2-HW ,a Self-Righting Foiling RC Keelboat/ One-off Design & Build Project - RC Groups
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Jun 11, 2015, 03:08 PM
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DLord's Avatar
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Dominion 2-HW ,a Self-Righting Foiling RC Keelboat/ One-off Design & Build Project


Many years ago I predicted that this was feasible and Hugh Welbourn and the Team at Quant boats has proved it beyond a shadow of a doubt with the new Quant 23. The boat is a foiling keelboat-the first such fullsize boat in history!
For an RC forum the significance of this is that a RC monohull keelboat foiler can be designed t hat will be self-righting! Talk about having your cake and eating it too......
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SEE POST 19 for the start of the design and build project

Here's a pdf on the Quant 23-be sure to check this out-lots of info- and some pictures-hope it inspires some designer/builders fertile imaginations:
Last edited by DLord; Jan 04, 2017 at 04:42 PM.
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Jun 12, 2015, 11:17 AM
Will fly for food
davidjensen's Avatar
I fell in love with scows many years ago sailing an M20. This looks very cool.
Jun 12, 2015, 12:35 PM
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Quick...someone make up a set of rules for this soon to be RC Sailboat class.
Jun 12, 2015, 10:05 PM
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Rule 1--- Put up hundreds of Internet posts with pictures of boats not designed or built by class members.

Rule 2--Create many catchy names for parts of non existent boat. Use caps often

Rule 3--Post many formulas to demonstrate superior boat performance, mention Dr. Bradfield.

Rule 4--More internet posts, discuss class rules, fight with other posters,

Rule 5--find old boat, repaint and rename as class prototype.

Rule 6--suck in at least one person who doesn't know better who tries to actually build something

Rule 7-Proclaim success and move on to next fictional project
Jun 12, 2015, 10:33 PM
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Dick L.'s Avatar
Company needs to invest in a good spell checking software. Might want to hire an English major for better grammar.

Just an opinion
Jun 13, 2015, 04:47 PM
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DLord's Avatar

Retro Vision


Rule 1---If it's a potential new class with features not found on one single current class diss it constantly,

Rule 2-- Make up catchy Rules ridiculing features not found on current classes ,

Rule 3--Denigrate potential performance and attempt to smear contributions by
pioneers in advanced sailing yacht design and development,

Rule 4--Post negative trash but do not contribute to any technical discussion(whats that?) ,

Rule 5--Disregard the potential of older boats using modern technology,

Rule 6--Suck in at least one person who is equally bereft of any technical knowledge of modern high speed yacht design,

Rule 7-Proclaim failure and move on to attack other proposals for advanced sailboat design and development. Create more rules aimed at stifling deviant high performance class development.
=================================
Super Scow designed and built 20 years ago: (more pix post 104)

Last edited by DLord; Mar 02, 2016 at 02:44 PM.
Jun 14, 2015, 08:41 PM
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DLord's Avatar

Foiling Keelboat


Nice article from Australia on the boat-may help to give insight into the idea behind the fullsize boat: http://www.mysailing.com.au/news/dyn...ing%20keelboat
Jun 15, 2015, 04:33 PM
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glouis's Avatar
LOL brilliant - I see the rules are already in motion then...

Quote:
Originally Posted by Tom Corbett
Rule 1--- Put up hundreds of Internet posts with pictures of boats not designed or built by class members.

Rule 2--Create many catchy names for parts of non existent boat. Use caps often

Rule 3--Post many formulas to demonstrate superior boat performance, mention Dr. Bradfield.

Rule 4--More internet posts, discuss class rules, fight with other posters,

Rule 5--find old boat, repaint and rename as class prototype.

Rule 6--suck in at least one person who doesn't know better who tries to actually build something

Rule 7-Proclaim success and move on to next fictional project
Jun 15, 2015, 04:34 PM
Registered User
glouis's Avatar
LOL
Quote:
Originally Posted by DLord
Rule 1---If it's a potential new class with features not found on one single current class diss it constantly,

Rule 2-- Make up catchy Rules ridiculing features not found on current classes ,

Rule 3--Denigrate potential performance and attempt to smear contributions by
pioneers in advanced sailing yacht design and development,

Rule 4--Post negative trash but do not contribute to any technical discussion(whats that?) ,

Rule 5--Disregard the potential of older boats using modern technology,

Rule 6--Suck in at least one person who is is equally bereft of any technical knowledge of modern high speed yacht design,

Rule 7-Proclaim failure and move on to attack other proposals for advanced sailboat design and development. Create more rules aimed at stifling deviant high performance class development.
Jun 15, 2015, 04:40 PM
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glouis's Avatar
seen their system of DSS I think it is a good system it seems and logical... one of those. hum why didn't I think of this earlier... new design ORMA 60 coming out for the Vendee globe already use similar foils adding to their already massive power... just a matter of weeks really before we see one of them foiling ... at this pace who's boat is still not foiling?

I might add these on my IOM restoration project and say nothing to nobody! who will notice as it will in the hull ashore and since pretty much everyone use fancy Tx with a zillion channels no one will notice me flipping one to deploy it to port or starboard...

they may look at it strangely when all the IOM will heel and mine will remain relatively flat... hum didn't think of that... Defo a BP and V9 beater...
Jun 19, 2015, 12:50 PM
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DLord's Avatar

Foiling Keelboat


Using Welbourns concept would allow foils that require no external altitude control and would be simple to make easily removable. Substantial extra righting moment, too.
Jun 24, 2015, 11:11 AM
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DLord's Avatar

Q23 fullsize


Here is some video of the fullsize boat foiling-the very first foiling keelboat in history:
Q23 video proof (3 min 23 sec)
Jul 15, 2015, 11:32 AM
Registered User
DLord's Avatar

Quant 23 Foiler Scow


Heres a shot of the boat doing 24 knots+. This would make an exciting RC model. Remember, the full size version is a self-righting keelboat and there is no question an RC model would work exceptionally well:

Last edited by DLord; Jul 15, 2016 at 02:55 PM.
Jul 15, 2015, 01:50 PM
wolfgang
tuppesw's Avatar



Testing the Q23 on Lake of Lucerne, Switzerland (1 min 51 sec)
Jul 15, 2015, 02:27 PM
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DLord's Avatar

Q23 fullsize and Q23 RC


Thanks ,Wolfgang! I think I'm going to build a one off model-this is a natural for an RC foiler model.
Tentative specs:
LOA 50"(1.2m)changed 11/24/15--LOA 52"-see post 105.
Beam about 13.5"(.34m)
Weight, including fixed and movable ballast: 7lb
Sail Area: 1400 sq.in(.9sq.m)-reefable
Foils: 2 @13"(330mm) X 2.25"(57mm) + rudder foil
Features:
a.100% self-righting
b. Trapeze Power Ballast System
c. target to foil in 5mph breeze
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Lots and lots of potential thanks to the work Hugh Welbourn has done!
Last edited by DLord; Nov 25, 2015 at 03:47 PM.


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