Hydroplane powerboats

Keith Dunn
Hydroplane, World Water Speed 1000 cc class record 1978
Hartwell Imp engine

Johnny Gibbons
hydroplane, World Water Speed 1000cc class record 1979, world record 102.19 mph. Fastest run 104.089 mph.
Hartwell Imp engine

Richard Delsener of Eastpointe, Michigan
Owner of South Paw Y-6: 850cc class hull with Sunbeam Imp engine. Built in 1978 by Lauterbach.
National Champion - 1982
High Point Champion - 1984
World Champion - 1984. In 1984, the South Paw won 17 of 24 events. The last conventional hull to win an APBA sanctioned event in 1994 at Rocky Fork, Ohio.
Specifications

Steve David
world record holder: Set the record in the Kilos in 1981 in Moorehaven, Florida at 102.257.
Steve won over 50 races with Century 21 Special Y-3: a 850 cc class hull with Sunbeam Imp 4 cyl Built in 1979 by Don Kelson & Modern Pattern, Seattle

• Century 21 Special Y-3 is now owned by Shaun Berry of NH boat museum. Jim Appley, original engine builder, has restored the Imp engine.
  Shown in 2000 at Clayton Raceboat Regatta, Tonawanda Hydromania, Mahogany Harbour, Toronto Canada show, Wine country ASCB show and Buffalo Launch Club Raceboat Reunion.
  Born as High Upkeep Y-43, Jim Sellers. Later ran as Bankwalker Y-44, Bobby Murray Jr.

Harrison Quirk (Hoddy) of Ware, Massachusetts

• Owner of Honk Y-73: a 48 ci class hull with 48 ci Crosley. Built in 1960 by Kenny Ingram and Harrison Quirk
  This hull was built in 1960 from plan by Kenny Ingram of California. It was raced as a 48 cu.in. hydro from 1960 to 1970. The engine was changed from a Crosley to a Sunbeam Imp in 1970. Boat was 2nd in nationals twice and won the eastern divisionals twice.
  It was sold to someone in Ohio in 1970 and was later discovered by Tom D'Eath in Michigan in 1997.
  It is now being restored by Harrison Quirk and the engine will be a Sunbeam Imp.

• Owner of Hoddy's Quirk Y-73: 850 cc class hull with modified Sunbeam Imp
  The hull was raced actively from 1980 to 1996. Ron Jones Marine built it in 1980 and rebuilt the sponsons and bottom in 1986. The last wood boat to come from this shop.
  The engine was a Sunbeam Imp 901cc, modified for alcohol. It was run from 1980 to 1991. In 1991, engine was changed to Chevy Sprint 1000 cc from 1991 to 1996. Currently has a 1000cc Sunbeam Imp modified for alcohol in the boat. The present condition of the boat: like new.

Terry Collins in Imp-engined Y-41

Terry Collins