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{{Infobox aircraft
| name=Monerai
| image=MONERAI-S.jpg
| caption=Monerai S
| type=Sailplane
| national_origin=United States
| manufacturer=]
| designer=]
| first_flight= 1978
| introduction=1978
| retired=
| status=
| primary_user=
| number_built=100 by January 1984 from 375 kits sold
| developed_from=
| variants=
}}


The '''Monnett Monerai''' is a ] that was developed in the United States in the late 1970s for ]. It is a conventional pod-and-boom design with a ] and a mid-mounted cantilever wing of constant chord.
'''Monerai gliders''' refer to three models of kit built ]s manufactures by Monerai corporation. Models available incluse:
* Monerai P (])
* Monerai S (unpowered glider)
* Monerai Max (Monerai P version with extended wing tips)


The kit assembles in approximately 600&nbsp;hours. It has bonded wing skins and incorporates 90° ]s for glide path control. The pod-and-boom fuselage consists of a welded steel tube truss encased in a fiberglass shell, with an aluminum tube for the tailboom. A spar fitting modification was released in 1983.<ref name="FlyingMay1983">{{cite magazine|last1=Moll|first1=Nigel|last2=Comstock|first2=Bryan|date=May 1983|title=Monerai Service Bulletin|url=https://books.google.com/books?id=nDrlpoetcl0C&pg=PA12|department=Reporting Points|magazine=]|publisher=]|volume=110|issue=5|page=12|issn=0015-4806|access-date=15 August 2016|via=]}}</ref>
Both the powered (Monerai P) and unpowered (Monerai S) versions are identical structurally.
The Monerai is a 80's era kit built aircraft of ]/] that assembles in more or less 600 hours. It has bonded wing skins and incorporates 90 Deg Flaps for glide path control.


A powered version was designed as the '''Monerai P''' with an engine mounted on a pylon above the wings. A Sachs Rotary Engine was chosen for the prototype.<ref>{{cite journal|journal=Sport Aviation|title=Try a new flavor... the Monerai|date=Oct 1977|author=John Monnett}}</ref> A version with extended wing tips is also available ('''Monerai Max''') which increases the span to 12&nbsp;m (39&nbsp;ft) and raises the glide ratio from 28:1 to more than 30:1.<ref name="SoaringNov83">Said, Bob: ''1983 Sailplane Directory, Soaring Magazine'', page 123. Soaring Society of America, November 1983. USPS 499-920</ref>
A version with extended wing tips also available (Monerai Max) which increases the span to 12 m (39 ft).


The powered Monerai P and the unpowered Monerai S versions are identical structurally.
== Specifications Sheet ==
<!-- ==Development== -->
=== Monerai S / Monerai Max ===
<!-- ==Operational history== -->
{| class="wikitable" width="70%"
! &nbsp; !! Monerai !! Monerai Max (Extended Tips)
|-
|Stall speed || 38 mph || 38 mph
|-
|Sink || 2.8 ft/s@55 mph || 2.2 ft/s@55 mph
|-
|LD || 28/1 at 60 mph || 32/1 at 60 mph
|-
|Vne || 120 mph || 120 mph
|-
|Vfe || +90°, -12° 90 mph || +90°, -12° 90 mph
|-
|Length || 19 ft 7 in || 19 ft 7 in
|-
|Height || 35 in/52 in || 35 in
|-
|Area || 78 ft² || 84.5 ft²
|-
|Span || 36 ft (11 m) || 39 ft (12 m)
|-
|Chord || 26 in || 26 in
|-
|Airfoil || FX61-192 mod || FX61-192 mod
|-
|Empty weight || 220 lb || 230 lb
|-
|Gross weight || 450 lb (+- 6 g) || 450 lb (+- 6 g)
|}


=== Monerai P === ==Variants==
;Monerai S
:unpowered glider
;Monerai P
:] equipped with the {{convert|22|hp|kW|0|abbr=on}} ] or the {{convert|25|hp|kW|0|abbr=on}} ] engine.<ref name="SoaringNov83" />
;Monerai Max
:Monerai P version with extended wing tips<ref name="SoaringNov83" />


==Aircraft on display==
{| class="wikitable" width="70%"
*]<ref name="SWSMCollection">{{cite web|url = http://swsoaringmuseum.org/collection.htm|title = Sailplanes, Hang Gliders & Motor Gliders|accessdate = 26 May 2011|last = US Southwest Soaring Museum|author-link = US Southwest Soaring Museum|authorlink = |year = 2010}}</ref>
|-
* Serial Number 22 on display at the ], ], Windsor Locks, CT<ref>{{Cite web|url=http://neam.org/index.php?option=com_content&view=article&id=870|title = New England Air Museum}}</ref>
|Empty weight || 270 lb
* S/N 323, Museum of Flying, Santa Monica Airport, CA
|-

|Gross weight || 500 lb (+- 5.2 g)
==Specifications (Monerai S) ==
|-
{{Aircraft specs
|Stall || 40 mph
|prime units? = imp
|-
|crew=One pilot
|LD || 22/1 @60 mph
|length m=5.97
|-
|length ft=19
|Engine || Zenoah 250 single cylinder 2 cycle
|length in=7
|-
|span m=10.97
|Fuel capacity || 1 US gal
|span ft=36
|-
|span in=0
|Engine duration || 30 minutes
|height m=1.32
|-
|height ft=4
|Rate of climb || 400 ft/min
|height in=4
|}
|wing area sqm=7.25
|wing area sqft=78
|aspect ratio=16.6:1
|empty weight kg=100
|empty weight lb=220
|gross weight kg=204
|gross weight lb=450
|max speed kmh=193
|max speed mph=120
|glide ratio=<!-- sailplanes -->28:1 at 60mph
|sink rate ms=<!-- sailplanes -->0.85
|sink rate note=<!-- sailplanes -->at 55 mph: 167
}}
<!-- ==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 -->
|lists=<!-- related lists -->
}}

==References==
{{Reflist}}
* {{cite book |title=Jane's All the World's Aircraft 1985-86 |page=756}}


== External links == == External links ==
{{commons category|Monnett Monerai}}
*
*

{{Monnett aircraft}}


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Latest revision as of 00:12, 10 September 2024

Monerai
Monerai S
General information
TypeSailplane
National originUnited States
ManufacturerMonnett Experimental Aircraft
Designer John Monnett
Number built100 by January 1984 from 375 kits sold
History
Introduction date1978
First flight1978

The Monnett Monerai is a sailplane that was developed in the United States in the late 1970s for homebuilding. It is a conventional pod-and-boom design with a V-tail and a mid-mounted cantilever wing of constant chord.

The kit assembles in approximately 600 hours. It has bonded wing skins and incorporates 90° flaps for glide path control. The pod-and-boom fuselage consists of a welded steel tube truss encased in a fiberglass shell, with an aluminum tube for the tailboom. A spar fitting modification was released in 1983.

A powered version was designed as the Monerai P with an engine mounted on a pylon above the wings. A Sachs Rotary Engine was chosen for the prototype. A version with extended wing tips is also available (Monerai Max) which increases the span to 12 m (39 ft) and raises the glide ratio from 28:1 to more than 30:1.

The powered Monerai P and the unpowered Monerai S versions are identical structurally.

Variants

Monerai S
unpowered glider
Monerai P
powered glider equipped with the 22 hp (16 kW) Zenoah G-25 or the 25 hp (19 kW) KFM 107 engine.
Monerai Max
Monerai P version with extended wing tips

Aircraft on display

Specifications (Monerai S)

General characteristics

  • Crew: One pilot
  • Length: 19 ft 7 in (5.97 m)
  • Wingspan: 36 ft 0 in (10.97 m)
  • Height: 4 ft 4 in (1.32 m)
  • Wing area: 78 sq ft (7.25 m)
  • Aspect ratio: 16.6:1
  • Empty weight: 220 lb (100 kg)
  • Gross weight: 450 lb (204 kg)

Performance

  • Maximum speed: 120 mph (193 km/h, 100 kn)
  • Maximum glide ratio: 28:1 at 60mph
  • Rate of sink: 167 ft/min (0.85 m/s) at 55 mph: 167

References

  1. Moll, Nigel; Comstock, Bryan (May 1983). "Monerai Service Bulletin". Reporting Points. Flying. Vol. 110, no. 5. Ziff Davis. p. 12. ISSN 0015-4806. Retrieved 15 August 2016 – via Google Books.
  2. John Monnett (Oct 1977). "Try a new flavor... the Monerai". Sport Aviation.
  3. ^ Said, Bob: 1983 Sailplane Directory, Soaring Magazine, page 123. Soaring Society of America, November 1983. USPS 499-920
  4. US Southwest Soaring Museum (2010). "Sailplanes, Hang Gliders & Motor Gliders". Retrieved 26 May 2011.
  5. "New England Air Museum".
  • Jane's All the World's Aircraft 1985-86. p. 756.

External links

Aircraft designed by John Monnett
Aircraft
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