Metric units


Arlette

Owner: B.W.Smith, P. Smith

Area: UK-Thames


Hull

Open Launch. Construction: Strip plank, cedar (½"), epoxy sheathed with glas.
Hull designed by Paul Smith
Built 1995 by Paul & Brian Smith at Kintbury
LOA: 31' 0", LWL: 30' 0", Beam: 5' 6", Draft: 1' 0", Displacement: 2000 lbs.
Oxford Blue hull, varnished mahogany decks and cockpits, wheel steering.

Boiler

Locomotive type Built 1997 by Valentine Welding & Engineering Ltd. at Northampton
Fuel: Coal, Pressure: 135 psi, Grate area: 1.6 sqft, Output: 400 lbs/hr,
Steel tubes.
injector, Windermere kettle,
Designed by Brian Smith. Shell 16" dia 30" long, 29 x 1¼" dia tubes 14" long. Side fired, fitted 3" off centre. 2 injectors ¼" and .3/8" taking fw from lake/river..

Engine

Single. 3 3/4" X 5"
Built by J.I. Thornycroft & Co. at Chiswick
sv valve. SLRG valve gear.
Built c1870's, On 4 turned columns, non-condensing and exhausts to atmosphere up the funnel.

Propeller

Bronze, 3 blades, Left Hand, 19" X 28"
Shaft: 1 1/8" SS
Thornycroft 0.4 DAR.


History

New launch built to suit the vintage Thornycroft engine. The engine is thought to have been a service engine from a Naval vessel which had authentic Thornycroft pattern reversing gear added c1900’s. Speed on Windermere has been measured as 15 mph at 680 rpm with the engine delivering 11 IHP.


Last Modified: 2017.12.13.


(Brian Smith)

Photos


(Ian Cross) Windermere, 1997


Offset boiler


Engine


Bare hull











(John Gibbs) Thames 2002