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Tethered Hydroplane Classes and British Records

 

NAVIGA International Classes. Current Records.

A1 up to 3.5cc Martin Hamilton 20/08/95 120.52 mph
A2 up to 6.5cc Roger James 3/08/03 129.30 mph              (A2 capacity increased to 7.5cc from 2007)
A3 up to 10cc Norman Lara 14/07/98 135.57 mph
B1 2.5cc airscrew Jim Free  10/04/00 154.91 mph

 

British Classes.

Novice. Up to 6.5cc standard side exhaust motors with silencer.  Commercial Propellers.
Super Novice. 6.5cc rear exhaust motors with tuned or minipipes. Engines reworked using standard parts.
B Class Up to 15cc homebuilt engines.
B/S Class  Steam powered, all up weight not to exceed 9lbs.
B1R 2.5cc Airscrew Restricted. Commercial props, price limit on engines.
A Class Up to 30cc homebuilt engines.
A/S Class Steam powered, all up weight not to exceed 16lbs.
A/B Restricted. Commercial engines from 10cc to 30cc. Same tether wire for all sizes of engines.

 

Current Records.

Novice Jim Free 06/07/04 100.11 mph
Super Novice Jim Free 29/08/98 111.30 mph
B1R Jim Free 16/04/06 120.60 mph
B John Rose (deceased) 29/05/98 115.91 mph
B/S Stan Poyser 02/08/98 96.67 mph
A John Hyder 08/10/00 130.05 mph
A/S Bob Kirtley 31/07/05 120.79 mph
A/B R Terry Everitt 13/05/90 122.00 mph

Records are correct at 01/01/09. Thanks to Norman Lara.
 

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