Model Boat Mayhem

Mess Deck: General Section => Model Boating => Topic started by: Caravanman64 on October 13, 2016, 12:24:02 pm

Title: Height of the mast on a marble head vintage yacht 5ft
Post by: Caravanman64 on October 13, 2016, 12:24:02 pm
Please can someone help i need to know the height of the mast on a marble head, for a vintage yacht. 5ft...
Title: Re: Height of the mast on a marble head vintage yacht 5ft
Post by: Kipper on October 13, 2016, 09:51:39 pm
Have a read of these, they have all the rules you need to work it out ....
http://www.abvrc.com.br/pdfs/Rules_Marblehead.pdf (http://www.abvrc.com.br/pdfs/Rules_Marblehead.pdf)

Not being a math genius myself it's too complicated for me, so as a rough guide, my old marblehead had a mast that was approx 7' 6" from deck to tip, this was for the 'A' rig, the mast I have on it now is a 'B' rig & is about 6' 6" tall. (I'm 5' 6")  :-))
Title: Re: Height of the mast on a marble head vintage yacht 5ft
Post by: malcolmfrary on October 14, 2016, 09:23:45 am
A lot depends on just how vintage the yacht is.  The original Marbleheads had a shallow fin and a corresponding length of mast.  Sometime (probably mid '50's) the long fin with a bulb ballast appeared and mast lengths increased dramatically to allow higher aspect ratio rigs.
Have a look in http://www.vmyg.org.uk/
Probably the only things that have stayed constant over the years are the hull length and maximum sail area, and even that has been subject to changes in measurement methods.
Title: Re: Height of the mast on a marble head vintage yacht 5ft
Post by: Caravanman64 on October 16, 2016, 05:15:17 pm
Thanks alot.. great help.
Title: Re: Height of the mast on a marble head vintage yacht 5ft
Post by: Caravanman64 on October 16, 2016, 05:18:10 pm
Have you any idea the cost of the sales and where cpuld i get them from? As i am new to this thanks.
Title: Re: Height of the mast on a marble head vintage yacht 5ft
Post by: rnli12 on October 16, 2016, 06:04:16 pm
Hi,
 
Nylet or PJ Sails but there are more sources out there.
 
Rich