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Author Topic: Marblehead and Half Marblehead.  (Read 964 times)

VANYA

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Marblehead and Half Marblehead.
« on: June 05, 2018, 12:51:56 PM »

Hello.


A question.


Is a half Marblehead a true model yacht class under International Classification?


Second question.


Is a Half Marblehead just that, a half sized marblehead of full size design built to half the dimensions in all respects, hull, sail and ballast?


I see that Cliff Grove at Grove Model yachts builds 1/2 M's so gather they are about but have not seen a dedicated 1/2M plan. Not sure if they exist, or have ever.


Can anyone help as I am keen to build a half size M as I have a few full sized Trad M's but would prefer something old.


Thanks.


Hayden



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tony52

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Re: Marblehead and Half Marblehead.
« Reply #1 on: June 05, 2018, 04:02:10 PM »

Hayden,

I can't answer your first question, but I posted a series of articles about the half Marbleheads, from old Model Maker magazines on the Model Boats site (see link). The yachts are in the Vic Smeed thread, #23 and the magazine description should help answer your question. Should you require higher resolution plans for the Smeed designed yachts, Water Baby and Sea Urchin, message your email. I think some of the Grove pond yachts are from these designs.

http://www.modelboats.co.uk/forums/postings.asp?th=83121&p=23
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tarmstro

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Re: Marblehead and Half Marblehead.
« Reply #2 on: June 05, 2018, 05:40:02 PM »

No, "Half Marblehead" was only an idea/proposal by Victor Smeed, but never settled into a class... That is why I've recorder these as "one of a kind":
https://www.allradiosailboats.com/design/seaUrchin
https://www.allradiosailboats.com/design/waterBaby
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Netleyned

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Re: Marblehead and Half Marblehead.
« Reply #3 on: June 05, 2018, 05:56:44 PM »

Nearest to a half M is a RG65/DF65 I would
think.
Having all three, Give me a half gale and my
M on B rig for a raw sail.
Ned
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VANYA

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Re: Marblehead and Half Marblehead.
« Reply #4 on: June 05, 2018, 07:53:20 PM »

Tony.


That is interesting about Vic Smeeds designs, I know he built many models but did not consider that he tried to introduce a half M. Also I am a fan of Vic Smeeds earlier designs and are building Moonmist and Bustler, well both half built at present.


A past club member of our model club did have a small yacht and it could very well have been these designs, I never asked him but thats many years ago. I certainly would be interested in building another Smeed design if i am going that route for a half M. I will see how that drawing come out and have a read of the material you have sent.


I do own an RG65 kit that is not yet assembled. Obvously Vis Smeed was ahead of his time once again thinking that a handy size half M would be ideal to give good performance and also allow for easy transport. It was some 50 years later before the plastic RG65 became popular.


Hayden







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tarmstro

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Re: Marblehead and Half Marblehead.
« Reply #5 on: June 05, 2018, 08:15:48 PM »

Just to clarify the history part here:
- G-65 class exists in Argentina since 1950 (no radio at that time)
- RG-65 class exists since 1978, also introduced in Argentina.
- "Plastic" DF-65 (aka Dragon Force 65) was introduced in 2013 only after the huge success of the RG-65 class...
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VANYA

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Re: Marblehead and Half Marblehead.
« Reply #6 on: June 05, 2018, 08:22:00 PM »

What did the early G-65 look like?


Obviously not like the RG-65 of today.







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tarmstro

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Re: Marblehead and Half Marblehead.
« Reply #7 on: June 05, 2018, 08:33:38 PM »

There are not so many pictures - and those that I can find don't have many details:
http://flotaurquiza.com.ar/historia/
http://cibernautica.com/historia_del_rg/index.htm
https://www.cvrc.cl/2014/01/01/clase-rg65/

Original club page: http://flotaurquiza.com.ar
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