# Snipe Diamond

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> Source: https://en.wikipedia.org/wiki/Snipe_Diamond
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> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{Short description|1980s British ultralight aircraft}}
{{DISPLAYTITLE:Snipe Diamond}}
{{Use dmy dates|date=June 2023}}
{{Use Australian English|date=June 2023}}
{{Infobox aircraft
| name                = Snipe Diamond
| logo                = 
| logo_size           = 
| image               = Snipe_Diamond_ultralight_aircraft.jpg
| alt                 = 
| caption             = Front quarter view of the Snipe Diamond
| long_caption        = 
| other_names         = 
| aircraft_type       = [Ultralight aircraft](/source/Ultralight_aircraft)
| aim                 = 
| outcome             = 
| related             = 
| national_origin     = United Kingdom
| manufacturer        = Snipe Aircraft Developments Ltd
| design_group        = 
| designer            = Arthur Luff
| builder             = 
| issuer              = 
| status              = 
| owners              = 
| primary_user        = 
| more_users          = 
| service             = 
| major_applications  = 
| proposals           = 
| prototypes          = 
| number_built        = 1
| construction_number = 
| civil_registration  = 
| military_serial     = 
| radio_code          = 
| requirement         = 
| aircraft_carried    = 
| flights             = 
| total_hours         = 
| total_distance      = 
| construction_date   = 
| introduction        = 
| retired             = 
| first_flight        = 1985
| initiated           = 
| in_service          = 
| last_flight         = 
| expected            = 
| developed_from      = 
| variants            = 
| developed_into      = 
| preservation        = 
| fate                = 
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| successors          = 
| concluded           = 
}}

The '''Diamond''' was a British single seat [ultralight](/source/ultralight) aircraft, developed by Arthur Luff in the 1980s.  It was notable for its radical design.

==Design and development==
Arthur Luff, a former [Rolls Royce](/source/Rolls_Royce) engineer and an [RAF](/source/Royal_Air_Force) gliding instructor, designed a [closed wing](/source/closed_wing) aircraft.<ref name=FLIGHTLINE/> Originally called the Snipe, it was later termed the Diamond, in acknowledgement of the wings' configuration.<ref name=FLIGHTLINE/><ref name=BB/> The aircraft featured two wings, of equal span and chord, with the front wing swept back by 20° and the rear wing swept forward by 20°.  The wings were joined at the wingtip, where tip rudders were located. The aircraft had a fully enclosed fuselage, and was equipped with a single engine, powering a tractor propeller, and had a tricycle undercarriage. The aircraft featured three-axis control, with pitch control being by elevators on the rear wing; roll control by ailerons located on the outboard wings; directional control by rudders incorporated into the wingtip fins. 

==Operational history==
The prototype made its maiden flight in 1985.<ref name=BB/> According to ''Flightline'', in its issue dated July–August 1985, an order for 15 aircraft had been received from the Middle East.<ref name=FLIGHTLINE/> Since 1985, no further news about the craft has appeared. 

==Specifications==
{{Aircraft specs|ref=Ultralight and Microlight Aircraft<ref name=BB/>
|prime units?=imp
|crew=1
|capacity=
|length m=
|length ft=13
|length in=4
|span m=
|span ft=24
|span in=
|span note=
|height m=
|height ft=
|height in=
|height note=
|wing area sqm=
|wing area sqft=132
|wing area note=
|aspect ratio=
|airfoil=
|empty weight kg=
|empty weight lb=150
|empty weight note=
|gross weight kg=
|gross weight lb=
|gross weight note= 
|max takeoff weight kg=
|max takeoff weight lb=370
|max takeoff weight note=
|more general=

|eng1 number=1
|eng1 name=[JPX PUL 425](/source/JPX_PUL_425)
|eng1 type=2 cylinder, 2 stroke
|eng1 hp=22<!-- prop engines -->
|eng1 note=

|max speed kmh=
|max speed mph=
|max speed kts=
|max speed note=
|cruise speed kmh=
|cruise speed mph=
|cruise speed kts=
|cruise speed note=
|stall speed kmh=
|stall speed mph=
|stall speed kts=
|stall speed note=
|never exceed speed kmh=
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|g limits=+5/-3
|roll rate=<!-- aerobatic -->
|glide ratio=
|lift to drag=
|wing loading kg/m2=
|wing loading lb/sqft=2.80
|wing loading note=

|prop blade number=2
|prop name=
|prop dia m=<!-- propeller aircraft -->
|prop dia ft=3<!-- propeller aircraft -->
|prop dia in=4<!-- propeller aircraft -->
|prop dia note=

}}

==See also==
{{aircontent
<!-- include as many lines are appropriate. additional lines/entries with carriage return. -->
|see also=
|related=<!-- related developments -->
|similar aircraft=<!-- similar or comparable aircraft -->
* [FlyNano Nano](/source/FlyNano_Nano)
* [Ligeti Stratos](/source/Ligeti_Stratos)
|sequence=<!-- designation sequence, if appropriate -->
|lists=<!-- related lists -->
}}
==References==
<references>

<ref name=BB>{{cite book|title=Ultralight and Microlight Aircraft|last=Berger|first=Alain-Yves|last2=Burr|first2=Norman|edition=2nd|year=1985|publisher=Haynes Publishing Group|location=Yeovil, Somerset|isbn=0-85429-481-3|pages=216–217|url=https://archive.org/details/bergerburrsultra0002berg/page/216/mode/2up?}}</ref>

<ref name=FLIGHTLINE>{{cite magazine|date=July-August 1985|title=Snipe Snippet| magazine=Flightline|editor1-last=Burr|editor1-first=Norman|location=Deddington, Oxford, UK| publisher=British Microlight Aircraft Association |page=8|url=https://www.bmaa.org/files/FL_8507.pdf|access-date=11 June 2023}}</ref>

</references>
Category:Mid-wing aircraft
Category:1980s British ultralight aircraft
Category:1980s British sport aircraft
Category: Aircraft first flown in 1985
Category:Single-engined tractor aircraft
Category:Closed-wing aircraft
Category:Aircraft with fixed tricycle landing gear
Category:Single-engined piston aircraft

{{aero-1980s-stub}}

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Adapted from the Wikipedia article [Snipe Diamond](https://en.wikipedia.org/wiki/Snipe_Diamond) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Snipe_Diamond?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.
