Otto Aviation Celera 500

Otto Aviation aircraft Celera 500L

Otto Aviation Group was secretly working on a project for about ten years in southern California.

In May 2019 the plane had been spotted at Victorville, California’s Southern California Logistics Airport on several occasions over the past year, and it recently was seen flying, according.

The plane features two pusher engines and a whisper-thin wing mated to a svelte blimp shaped fuselage. Claims include a ceiling of 65,000 feet with a top cruise speed of around 500 mph with a total fuel flow of between 30 and 40 gallons per hour.

In January 2019, new pictures of the pusher-propeller Celera 500L, which carries the U.S. civil registration code N818WM, emerged showing it in a markedly more mature state than in the past. The plane now has winglets at the tips of both wings. The aircraft also had a black propeller in place of the earlier white one and an aerodynamic spinner over the propeller hub. There’s also a much better view of the trapeze-like landing gear assemblies, which are of the general style found in patent documents that Otto Aviation had submitted relating to a number of the aircraft’s features.

In addition, as compared to earlier, the aircraft has conformal cowlings fitted in place over its rear-mounted engine compartment. Each one features a single large air intake and an exhaust port.

The power plant drives a single propeller. It is not clear whether a new one or two engines A03 V12. This model is in demand on the Russian Yak-52 and Yak-152.

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Oškinis T-1 / Technikas-1 / BrO-1

After completing aviation courses, Bronius Oškinis led the construction of gliders in ATM workshops. Reconstructed the German training glider RRG-23 “Zoegling” and thus in August 1932 developed the Lithuanian T-1 (“Technikas-1”) glider. In Pažaislis.

The Technikas-1 was an improved RRG-23 Zögling (based on German drawings). One was built. The first flight was performed by B. Oškinis himself. This glider was tested by military pilot Gregorius Radvenis. The T-1 was used to test/train Lithuanian military pilots at Kaunas

During 1935-36 four ‘production’ version of the T-1 were built, re-named BrO-1.

Oškinis BRO-23KR Garnys / BrOK-1M Garnys

BrOK-1M Garnys

The BRO-23KR was designed by Bronis Oškinis and constructed by Česlovas Kisonas and K. Rinkevičius (the KR of the name) at the Kaunas hang gliding club.

The BRO-23KR is a glassfibre aircraft with a strut and wire-braced high wing and a pod and boom fuselage with an open-sided cockpit and a T-tail. Its wing is rectangular in plan out to blunted and turned-down tips and both its single spar and ribs are formed from woven glassfibre. Three-ply glasscloth skin ahead of the spar forms a torsion resistant D-box. The narrow trailing edge of the wing was cast in epoxy with spanwise glassfibres and glasscloth covered. The whole wing was then covered with glued and thermally bonded, transparent polyethylene terephthalate film. It has narrow, full span, slotted ailerons, operating in co-ordination with rudder deflections and built in the same way as the wings. Single struts on each side brace the spar to the lower fuselage.

The fuselage of the BRO-23KR is formed from two GRP halves and attached to the wing centre-section. It has a long, shallow open cockpit which stretches back under the wing with the pilot in a reclined position. The tail unit, constructed in a similar way to the wing, has a highly swept, near-rectangular fin with a high aspect ratio horizontal tail mounted on its top. Its rather angular rudder, on a backward-leaning hinge, is large.

The BRO-23KR has very adaptable landing gear based on a landing skid sprung on five rubber blocks, which stretches nearly from the nose to just aft of the spar. The skid is wide enough to land on snow but can be fitted with a tyred wheel in summer. More unusual attachments include a set of introductory tricycle wheels and floats for landing on water. There is a long, self-sprung GRP landing skid under the tail.

It first flew in 1981.

Only two BRO-23KRs were constructed, the prototype and one built in 1984 by Panévežio Atsk. One took part in the 2nd World Championship, an Eastern European series gliding contest distinct from the FAI event, where it showed distinct improvements over earlier Soviet primary gliders. Both aircraft remained airworthy in 2015.

In 1982, Kišonas, Česlovas and Rinkevičius, K. (who had built the BrO-23KR glider) adapted a 25 HP engine on the BrO-23KR which thus became the BrOK-1M. The added K designates KIŠONASr.

BrOK-1M Garnys

In 1982 the prototype was motorized into the BROK-1M, with a largely uncowled, pusher configuration, 25 hp (19 kW) engine. Its installation, designed by Kišonas, placed it well above the rear part of the wing on forward and aft transverse V-struts from the central wing mountings, laterally braced on each side by a long strut out to the wing. It used the tricycle landing gear.

In 2009 one airframe remained in the Sport Aviation Museum in Kaunas.

Wingspan: 8.20 m (26 ft 11 in)
Wing area: 10.40 sq.m (111.9 sq ft)
Aspect ratio: 6.5
Airfoil: GA(W)-1
Length: 6.40 m (21 ft 0 in)
Height: 2.2 m (7 ft 3 in)
Empty weight: 83.5 kg (184 lb)
Gross weight: 158.5 kg (349 lb)
Maximum speed: 100 km/h (62 mph, 54 kn) smooth air
Stall speed: 42 km/h (26 mph, 23 kn)
Maximum glide ratio: 15
Min sink: 1.1 m / s (200 ft/min)
Seats: 1

Oškinis BrO-21 Vyturys

The BrO-21 Vyturys training glider prototype was built in Kuibyshev with the help of Aviation Factory engineers and Aviation Institute students.

The wing of the of the BRO-21 Vyturys glider consists of four balances and two ailerons. The wings were arranged one after the other with an overlap of 70 mm, forming a 40 mm slit forming an angle of 7 degrees.

The BrO-21 1980 At the beginning of 1980, the construction of the second example of BRO-21 was started in Palanga, the construction of which was completed in Kaunas in 1980. June 20 his trials began.

Polymers and glass cloth were used in the construction. The gap between the spar is filled with epoxy- impregnated foam, covered with glass cloth.

The fuselage consists of a front part (cockpit) and a tail beam. The cabin is made of fiberglass. All cabin sides are covered with microporous rubber edging.

At the bottom, the cabin has 5 rubber “legs” to which it can be attached:
wide fiberglass ski (for winter),
ski with wheel 200 × 80 or 255 × 115 (for summer),
three-wheel chassis (training in landing)
a float that turns the apparatus into a hydraulic dispenser.

The tail beam is made of fiberglass.

The BRO-21 variant of the glider built in Kuibyshev, was demonstrated in Moscow at a union competition of youth gliding schools. The glider, starting with the shock absorber, showed a great advantage over another classic-designed training glider “Trener” developed by Kuibyshev.

Wingspan: 5.2 m
Length: 7 m
Wing area: 10.5 m²
Empty weight: 84 kg
Take off weight: 160 kg
Pilot weight: up to 76 kg
Maximum speed: 100 km / h
Minimum speed: 35 km / h
Glide ratio: 12
Wing load: 15.2 kg / m²
Seats: 1