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>>Hi, >> >>John Tredrea wrote: >> >>>The table provided by Anderson is interesting and may >>be >accurate with respect to numbers built although >>they seem >quite high for the Hemmemmaa's and >>Turuma's, but they >definitely diverge significantly >>in gunnery details from >information that I have on >>captured Swedish ships in >Russian hands. The >>dimensions are close to those taken >by the Russians >>and the differences may relate to >different systems >>of measurement, but the armament for >the Hemmenma's >>and Turuma's is very far off with respect >to both >>numbers and calibres. 24x36 pdrs!!! These must >be >>misprints of some sort. I wonder what Anderson's >>>source was? >> >>There is a book “F H Chapman, The first Naval >>Architect and His Works,” by Daniel G Harris. This is >>basically a biography of Chapman and includes >>discussions of the ships he designed. One chapter is >>devoted to the Inshore Fleet. It provides the >>following details for the four large designs: >> >>Pohjanmaa – 90’ x 26’ x 7’; 4 pair oars; ketch rig; >>100 men; 4 x 24 pounders. >>Udenmaa - 118’ x 25’ x 5’; 14 pair oars; polacare bark >>without topgallents; 220 men; 10 x 12 pounders on >>centerline, 2 x 3 pounders. >>Trunmaa – 117’ x 31’ x ?’; 16 pair oars; ship rig >>without topgallents; 220 men; 22 x 12 pounders, 10 x 3 >>pounders. >>Hemeenmaa – 142’ x 34’ x 10’; 20 pair oars; ship rig >>with topgallents; ? men; 22 x 36 pounders, 2 x 12 >>pounders, 4 x 3 pounders. >> >>After 1770 the Trunmaa’s were increased to 123’ x 31’ >>and the 12 pounders replaced by 18 pounders. There >>were a total of 14 built before 1788. >> >>Also, in 1808, a further 2 Hemeenmaa’s were build with >>only 10 pair of oars but an additional 10 x 24 >>pounders. >> >>The foot listed appears to be 11.7 inches long. >> >>The author provides a bibliography of 11 published and >>15 unpublidshed sources; Anderson’s “Oared Fighting >>Ships” being the only English language source. >> >>>You are correct about the names standing for >>provinces in >Finland, at least with respect to >>Hemmemmaa. All the >larger types were grouped together >>in Russian service as >Shebecks (from Xebec, Zebec, >>etc in the Mediterranean) >and were rather similar to >>the Russian rowing frigates. >> >>The above 4 classes were designed as a response to the >>Russian shebecks. >> >>Carl > >Thanks Carl. > >I think that I have opened a can of worms that I can't >pursue at present! I thought that the Russian >shebecks, all 8 of which were built in 1788 (the 1st) >and 1789 (the next 7)along with 10 half-shebecks <u> >all in response to the Swedish designs</u>! Turunmmaas >and hememmaas captured by the Russians occasionally >had two bow 24pdrs, but the broadside guns were >12pdrs–not 36 pdrs.Possibly Chapman designed the >hememmaas for 36pdrs and they were given 12pdrs >instead? > >Mike

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