About: Spitfire Mark I

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The Spitfire Mark I was a utility helicopter built in the United States in the late 1970s and intended for series production. In essence, the Mark I was an Enstrom F-28 that was modified to use an Allison 250 turboshaft engine and geared transmission in place of the original piston engine and system of vee belts. The resulting powerplant installation was lighter and more compact, which allowed for additional cargo or fuel.

Attributes	Values
rdf:type	Thing schema:Product mean of transportation Aircraft yago:Abstraction100002137 yago:Category105838765 yago:Cognition100023271 yago:Concept105835747 yago:Content105809192 yago:Idea105833840 yago:Kind105839024 yago:PsychologicalFeature100023100 aircraft yago:Type105840188
rdfs:label	Spitfire Mark I (en)
rdfs:comment	The Spitfire Mark I was a utility helicopter built in the United States in the late 1970s and intended for series production. In essence, the Mark I was an Enstrom F-28 that was modified to use an Allison 250 turboshaft engine and geared transmission in place of the original piston engine and system of vee belts. The resulting powerplant installation was lighter and more compact, which allowed for additional cargo or fuel. (en)
dcterms:subject	Spitfire Helicopter aircraft 1970s United States civil utility aircraft Aircraft first flown in 1978 1970s United States helicopters
Wikipage page ID	31096373 (xsd:integer)
Wikipage revision ID	1030446214 (xsd:integer)
Link from a Wikipage to another Wikipage	Enstrom 480 Enstrom F-28 Málaga Spitfire Helicopter aircraft Flight International PZL-Świdnik 1970s United States civil utility aircraft Aircraft first flown in 1978 1970s United States helicopters Supermarine Spitfire Mil Mi-2 Reading, Pennsylvania Allison 250 dbr:Spitfire_Helicopters_Inc. Spitfire Mark II dbr:National_Maintenance_and_Operations_Meeting dbr:Sodian dbr:Soprea
Link from a Wikipage to an external page	http://www.flightglobal.com/pdfarchive/view/1976/1976%20-%201155.html http://www.flightglobal.com/pdfarchive/view/1977/1977%20-%200429.html http://www.flightglobal.com/pdfarchive/view/1979/1979%20-%201093.html http://www.flightglobal.com/pdfarchive/view/1979/1979%20-%201510.html http://www.flightglobal.com/pdfarchive/view/1979/1979%20-%201642.html http://www.flightglobal.com/pdfarchive/view/1979/1979%20-%202510.html http://www.flightglobal.com/pdfarchive/view/1979/1979%20-%204018.html http://www.flightglobal.com/pdfarchive/view/1983/1983%20-%200780.html https://web.archive.org/web/20121104113104/http:/www.flightglobal.com/pdfarchive/view/1983/1983%20-%200780.html
sameAs	Spitfire Mark I Spitfire Mark I Spitfire Mark I
dbp:wikiPageUsesTemplate	dbt:About dbt:Cite_book dbt:Cite_journal dbt:Reflist dbt:Short_description dbt:Aircontent dbt:Aircraft_specs dbt:Infobox_Aircraft_Type dbt:Spitfire_Helicopters
dbp:primeUnits%3F_	imp (en)
first flight	December 1978 (en)
national origin	United States (en)
capacity	two passengers (en)
crew	one pilot (en)
height ft	9 (xsd:integer)
height in	2 (xsd:integer)
length ft	29 (xsd:integer)
manufacturer	dbr:Spitfire_Helicopters_Inc.
ref	Taylor 1977, p.411 (en)
type	utility helicopter (en)
unit cost	$US 285,000 in 1983 (en)
has abstract	The Spitfire Mark I was a utility helicopter built in the United States in the late 1970s and intended for series production. In essence, the Mark I was an Enstrom F-28 that was modified to use an Allison 250 turboshaft engine and geared transmission in place of the original piston engine and system of vee belts. The resulting powerplant installation was lighter and more compact, which allowed for additional cargo or fuel. Spitfire Helicopters' parent company, Fetsko Aviation Sales and Transportation began work on the prototype in January 1976, and on a number of pre-production aircraft in February 1977. Fetsko displayed a mockup of the concept at the at Reading, Pennsylvania in June 1976. The prototype (registered N4890) first flew in December 1978. By May 1979, Spitfire had supplemental approval for the turbine conversion and by July, the company reported that it had sold 42 examples of the Mark I and Mark II and expected to build 60 aircraft during 1980. The engine installation on production models was to be slightly further forward than on the prototype. However, Spitfire remained dependent on Enstrom to supply airframes for remanufacture, and Enstrom distanced itself from the project somewhat. Competing plans by Enstrom and Spitfire to market Polish-built Mil Mi-2 helicopters in the United States might have contributed to the friction. In Spitfire's version of the deal, Polish manufacturer PZL-Świdnik would also contribute to the Spitfire manufacturing efforts. By November 1979, Enstrom refused to supply airframes to Spitfire. The situation improved somewhat in the 1980s, and Spitfire president Jack Fetsko reported in May 1983 that relations with Enstrom had improved to the point where the two companies could "talk programs". By that time, costs had increased from $US 165,000 expected in 1979 to $US 285,000 but Spitfire had taken deposits for 50 Mark Is, and had a firm sale for the first production aircraft. Together with companies and , Spitfire formed a new venture, Spitfire Helicopters International, to manufacture the Mark I and Mark II in Málaga, Spain. Nothing came of the joint venture, and Spitfire's attempts to market F-28 derivatives came to an end. In the 1990s, Enstrom marketed its own turbine-powered version of the F-28 as the Enstrom 480. (en)
ceiling ft	15000 (xsd:integer)
ceiling m	4570 (xsd:integer)
developed from	Enstrom F-28
empty weight kg	567 (xsd:integer)
empty weight lb	1250 (xsd:integer)
eng1 hp	420 (xsd:integer)
eng1 kw	313 (xsd:integer)
eng1 name	Allison 250-C20B (en)
eng1 number	1 (xsd:integer)
gross weight kg	1043 (xsd:integer)
gross weight lb	2300 (xsd:integer)
height m	2.790000 (xsd:double)
length in	5 (xsd:integer)
length m	8.960000 (xsd:double)
max speed kmh	208 (xsd:integer)
max speed mph	129 (xsd:integer)
range km	724 (xsd:integer)
range miles	450 (xsd:integer)
rot area sqft	804 (xsd:integer)
rot area sqm	74.700000 (xsd:double)
rot dia ft	32 (xsd:integer)
rot dia in	0 (xsd:integer)
rot dia m	9.750000 (xsd:double)
rot number	1 (xsd:integer)
gold:hypernym	Helicopter
prov:wasDerivedFrom	wikipedia-en:Spitfire_Mark_I?oldid=1030446214&ns=0

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