The George Blog – Deben 4-Tonner & Comments

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Deben 4-Tonner

I've taken the opportunity over the holiday period to complete the recreated Construction Plan for the Deben 4-tonner.

This has been a long while coming – but it is hard to find the time to do this sort of work. Recreating a pen and ink drawing using a CAD program is surprisingly difficult: the two media are very different.

The original tracings of the Deben 4-tonner are 80 years old and very yellowed and fragile, so any form of printing is pretty much impossible – which makes it a scale rule and drawing exercise – which is very time consuming.

I have W. M. Blake's own scale rules – so I feel it is appropriate that I have been using them to recreate his drawings 80 years on.

big fishThe original construction drawing also has three amusing little fish sketches, one of which is reproduced here. All three are on the recreated drawing, as they were on the original.

Now I have the Gaff Rig Sail Plan and the Bermudian Rig Sail Plan to do – neither of which is as complicated as the construction drawing, so I hope to get them done in the next few days.

I will also be scanning two original Deben 4-tonner brochures, including specifications, which may be of interest to Deben owners and possible new builders.

I think that among the Deben 4-tonner papers is a corrected Table of Offsets, produced after lofting – if so I will reproduce this also.

These plans, together with the corrected offsets and the brochures provide sufficient material fo anyone who would actually like to build a Deben 4-tonner today.

Cheers – and a Happy New Year – George


Update 02:01:2017 – Gaff and Bermudian Sail Plans completed and added!

Comments

I don't actually have corrected offsets for the Deben 4-tonner. They are for the Deben 6-tonner – another project for another time!
Date posted: Tuesday, 03 Jan 2017 | posted by: debenriver

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