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Gem 550   Message List  
Reply | Forward Message #169 of 255 |
Re: Gem 550

, Peter Halliwell <peterkayak@...> wrote:
>
> I guess that Rob Humphries design house would still have details of
their original design.
>
> www.humphreysdesign.com
>
> ----- Original Message ----
> From: gem146 <tldjh@...>
>>>
> Hello fellow sailors, Can anyone assist me with the
original > measurements of the Gem 550, in particular mast and sails

Hi 146

Humphries were very unhelpful when I called- claimed the drawings
were 'archived' ie couldn't be bothered. However, you shoud get more
luck from the original sailmakers,
Peter sanders, Lymington
http://www.sanders-sails.co.uk/sails/index.html
They quoted me for new sails
###########
"Date: 27 May 2005 10:58
Dear Mr Button
Ref: Gem Micro

,,,quotation for ails to suit your Gem Micro. I have included a
brief specification and sail sizes with the prices to avoid confusion.
Peter Sanders

1) Mainsail
Size: 7.250 x 2.500
Classic crosscut construction, laser cut 5.5oz dacron, glued and
stitched seams, fibreglass battens, sail number, slide luff, tell-
tales and sailbag.

Cost Standard quality £431.00
Reefs per row £35.00
Best quality £479.00
Reefs per row £38.00

2) No 1 Genoa
Size: 6.460 x 2.670
Classic crosscut construction, laser cut 4.4oz dacron, glued and
stitched seams, piston hanks, tell-tales and sailbag.
Cost Standard quality £288.00
Best quality £320.00

3) Jib
Size 6.4 x 1.830
Classic crosscut construction, laser cut 6.0oz dacron, glued and
stitched seams, piston hanks, tell-tails and sailbag.
Cost Standard quality £267.00
Best quality £296.00

4) Spinnaker 5900 x 3700
Radial head construction, ;laser cut 0.7.5oz nylon, glued seams, sail
number and sailbag.
Cost £407.00

I'll measure the mast when it's down next, but I think the original
was proctor- you may get info from Selden

regards
John GAZELLE #40
Poole




Sat Feb 9, 2008 8:05 pm

johnbg8jmb
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Message #169 of 255 |
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Hello fellow sailors, Can anyone assist me with the original measurements of the Gem 550, in particular mast and sails Thanks Trevor...
gem146
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Feb 8, 2008
9:42 pm

I guess that Rob Humphries design house would still have details of their original design. www.humphreysdesign.com design 18 Peter H ... From: gem146...
Peter Halliwell
peterkayak
Offline Send Email
Feb 9, 2008
8:09 am

... their original design. ... original > measurements of the Gem 550, in particular mast and sails Hi 146 Humphries were very unhelpful when I called- claimed...
John Button
johnbg8jmb
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Feb 9, 2008
8:05 pm

Mainsail 7.50 by 2.50 matches the standard data. The problem of this set of sails is that the area (approx. 11.23 sq.m.) is compliant with the Micro Class...
Philippe De Troy
phildetroy
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Feb 9, 2008
9:50 pm

hI pHIL- THANKS FOR YOUR INPUT Sails quoted by sanders were without reference to current rule, probably from the original design data (1979)- don't forget we...
John Button
johnbg8jmb
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Feb 9, 2008
11:55 pm

John, The formula for the spinnaker is LeechLength * ( 4* HalfWidth + FootLength ) /6 The limit is 210.9 sq.ft (19.60 sq.m) and usually LeechLength is 6.40 to...
Philippe De Troy
phildetroy
Offline Send Email
Feb 10, 2008
6:22 am
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