The Heinkel HE 1 is a two seat, low-wing monoplane floatplane, designed in 1921 by German designer Ernst Heinkel at Caspar-Werke. For Félix du Temple 's invention see ''Monoplane'' (1874 Types of monoplane The main distinction in types of monoplane is A floatplane is a type of Seaplane, with slender Pontoons (known as "floats" mounted under the fuselage only the floats of a floatplane normally come Germany, officially the Federal Republic of Germany ( ˈbʊndəsʁepuˌbliːk ˈdɔʏtʃlant is a Country in Central Europe. Ernst Heinkel ( January 24 1888 &ndash January 30 1958) was a German aircraft designer and manufacturer The Caspar-Werke was a German aircraft manufacturer of the early 20th century The aircraft was initially produced under licence in Sweden for the Navy of 1921. "Sverige" redirects here For other uses see Sweden (disambiguation and Sverige (disambiguation. The HE 1 was powered by a 179kw Maybach Mb.IVa engine; one test aircraft was powered by a Siddeley Puma engine. WikipediaWikiProject Aircraft. Please see WikipediaWikiProject Aircraft/page content for recommended layout A reciprocating engine, also often known as a piston engine, is a Heat engine that uses one or more reciprocating Pistons to convert WikipediaWikiProject Aircraft. Please see WikipediaWikiProject Aircraft/page content for recommended layout
In 1926, an all-metal version was flown as the HE 4 (Swedish designation S 4). It was tested extensively, but no further examples were built.