View source for LOM M137

{{Short description|Czech aircraft engine}}
{{Use dmy dates|date=March 2018}}
<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
{|{{Infobox aircraft begin
| name= LOM M137
| image=File:Avia M-137A.JPG
| caption= Avia M-137A
}}{{Infobox Aircraft Engine
|type=[[Aircraft engine]]
|manufacturer=[[LOM Praha s.p.]]
|designer=
|national origin=Czech Republic
|first run=
|major applications=
|produced=
|number built=
|program cost=
|unit cost=[[US$]]20,270 (2015)
|developed from=
|variants with their own articles=
}}
|}
The '''LOM M137''' is a [[Czech Republic|Czech]] [[aircraft engine]], designed and produced by [[LOM Praha]] (Letecke Opravny Malesice, Praha) of [[Prague]] for use in [[light aircraft]].<ref name="WDLA15">Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', pages 258-259. Flying Pages Europe SARL, 2015. {{ISSN|1368-485X}}</ref>
==Design and development==
The engine is a six-cylinder [[four-stroke]], [[Inline engine (aeronautics)|in-line]], {{convert|5970|cc|cuin|1|abbr=on}} displacement, air-cooled, direct drive, gasoline engine design. It employs dual [[Ignition magneto|magneto]] ignition and produces {{convert|132.4|kW|hp|0|abbr=on}} for take-off at 2750 rpm, with a [[compression ratio]] of 6.3.<ref name="WDLA15"/><ref name="M137">{{cite web|url = http://www.pistovemotory.cz/en/m137a-m137az|title = M137A / M137AZ|access-date = 19 March 2018|author=LOM Praha |work = www.pistovemotory.cz}}</ref>
<!-- ==Operational history== -->
==Variants==
;M137A
:Model for limited aerobatics, to a maximum of 5 seconds inverted flight.<ref name="WDLA15"/><ref name="M137"/>
;M137AZ
:Model for advanced aerobatics, including inverted flight. This model can mount an air filter.<ref name="WDLA15"/><ref name="M137"/>
==Applications==
*[[Zlín Z-50]]
<!-- ==Survivors== -->
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==Specifications (M132A) ==
{{pistonspecs|
|ref=Tacke and manufacturer<ref name="WDLA15"/><ref name="M137"/>
|type=Six cylinder, four stroke aircraft engine
|bore={{convert|105|mm|in|1|abbr=on}}
|stroke={{convert|115|mm|in|1|abbr=on}}
|displacement={{convert|5970|cc|cuin|1|abbr=on}}
|length={{convert|1344|mm|in|1|abbr=on}}
|diameter=
|width={{convert|468|mm|in|1|abbr=on}}
|height={{convert|688|mm|in|1|abbr=on}}
|weight={{convert|146.5|kg|lb|1|abbr=on}}
|valvetrain=
|supercharger=
|turbocharger=
|fuelsystem=
|fueltype=gasoline
|oilsystem=
|coolingsystem= air
|power={{convert|132.9|kW|hp|0|abbr=on}} for takeoff, {{convert|117.6|kW|hp|0|abbr=on}} continuous
|specpower=
|compression=6.3:1
|fuelcon=
|specfuelcon=
|oilcon=
|power/weight=
|designer=
|reduction_gear=none
|general_other=
|components_other=
|performance_other=
}}
==See also==
{{aircontent
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|see also=
|related=* [[Avia M 337|LOM M337]]
*[[LOM M132]]
|similar aircraft=<!-- similar or comparable aircraft -->
|lists= *[[List of aircraft engines]]
}}
==References==
{{Reflist}}
==External links==
*{{Official website|http://www.pistovemotory.cz/en/m137a-m137az}}
[[Category:LOM Praha aircraft engines]]
[[Category:Air-cooled aircraft piston engines]]
[[Category:2000s aircraft piston engines]]