|Jun 19, 2005, 06:43 PM|
Joined Jun 2005
RC model catamaran?
I want to build an RC catamaran, so I started cruising the internet this afternoon and wound up here. I haven't seen any cats in passing through about 30 websites. Are there any?
I want to test some hull ideas for a beach cat that would be 12 ft. long full scale. Am I on my own here?
|Jun 20, 2005, 02:48 AM|
Joined Nov 2004
VMP (Victor Model Products) makes a catamarand. Don't have the address handy, so do a search for "Victor Model Products", shouldn't be difficult to get to. I'm sure there are other manufacturors, I'm just not aware of them...
|Jun 25, 2005, 07:55 AM|
Joined Oct 2004
The rc sailing site has good info on some cats built all over the world; check out Andy Littles' Kwickie.(site appeared down yesterday)
Be wary of building a model cat as a test for a larger boat unless you build it as large as possible-say 6'. The reason is that as the multies scale down they lose pitch resistance which makes even 4 footers(mini 40/F48) hard to sail for beginners.Also a scale rig will generally be too much SA except for the lightest wind-multiple or reefing rigs are required in order to be able to sail as the wind picks up. In the model world so far tri's have proven a bit easier to sail both straightline and tacking.
If you do build a model to test the full size idea I would strongly suggest that you incorporate a movable ballast system(side to side and fore and aft) which, though expensive, will give you a more realitic assesment of performance.
Because of scale factors, again, you will have to watch your sail area and weight: I would suggest making the hulls exact scale with scale ballast(crew) and reducing sail area to less than scale.Always have access to a rescue boat when sailing any type of small multihull. You will have to make more compromises the smaller your test model..Good Luck!
|Aug 16, 2005, 11:46 AM|
Doug is right - Last year I built a 4 meter (14ft) Performance catamaran of my own design.
Im currently building a model of it this summer but hulls need to be much farther apart on a model cat or it
will flip too easily! Heres a link to an old post when I started it. Im about to dust off this project again since they are almost done re-building our local boat pond
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