Sinus

49′ 1½” wingspan
Glide ratio ~ 30:1
110 to 115 knot cruise with the 80hp Rotax 912
3.1gph at 110 knots
Available in tail dragger or nosewheel configuration
Up to 7.5 hours endurance
Perfect for thermaling or slope soaring
Comfortable touring aircraft
IFA & feathering propeller options
Large luggage capacity with external access option

The Sinus now has a sister…..   the Sinus FLEX, a model with removable wingtips.

The Sinus Flex model is identical to the standard Sinus, with the added bonus of interchangeable wing-tips. The outer 5-foot portions of each wing can be easily removed so the aircraft can fit into a standard hanger or you can replace the long wingtips with the short wingtips of a Virus model !  Now that’s smart, 2 aircraft in one.

You can’t decide if you want a Pipistrel Sinus or a Pipistrel Virus? Now you can have both, a thermal-soaring Sinus motorglider which you can quickly and easily (in about 5 minutes) transform into a small and fast Virus cruiser, which can fit into almost any hangar!

A standard wrench is all you need to transform your Sinus into a Virus and back: the tips slide easily into the wing and back out and all it takes to secure them are about 10 turns with the wrench.

While you are enjoying your flying with one of the models, the wingtips for the other one are resting securely in the made-to-fit leather bags which protect them for getting scratched or dirty.

The Sinus motorglider is a strutless 49′ 1½” wing span motorglider, powered by the 80hp Rotax 912 4-stroke engine and available as a ready-to-fly LSA aircraft or as a kit in either the LSA or experimental categories.

The Sinus is equipped with positive and negative flaperons, airbrakes and tail wheel (optional nosewheel). It is manufactured from hi-tech epoxy resin, fibreglass, carbon and kevlar composites. The airfoil used on the wings is IMD 029-b (Orlando, Venuti).

The cabin is properly insulated from noise and very comfortable for even those long flights. The seats are ergonomic with an adjustable head rest. Both the pilot and passenger pedals have differential toe brakes fitted. The pedals are adjustable forward and aft in flight and are manufactured from stainless steel. All controls are easy to use and reach from both seats and dual pedals and sticks mean the aircraft can be flown from either seat. The wing tanks have the fuel cap on top, as well as a visual check within the cockpit for the fuel level. The standard capacity is 16 gallons with a long range option increasing the capacity to around 26 gallons.

The main landing gear is aerodynamically profiled and made of composite materials. The main wheels have strong hydraulic disk brakes and the tail wheel or nosewheel option is directly controlled by the pedals. The airbrakes on top of the wing allow landing the Sinus in very short distances over high obstacles.

The Sinus assembly is very simple, just like conventional gliders, and the wing control connections are automatically locked on connection of the wings. It takes most owners about 20 minutes to rig or de-rig the aircraft.

The Sinus 912 is our most popular aircraft and It uses the legendary 80 hp Rotax 912, 4 cylinder 4-stroke engine (now with a 2000 TBO) which allows the Sinus to become a ‘super sophisticated’ motorglider just like the ‘real ones’ but at a 1/3 of the price. If you want to spoil yourself and your passenger, the Rotax 912 is the engine of choice for the vast distances we travel in the USA.

Basic Information

The Standard Pipistrel Sinus aircraft can be flown at MTOW’s up to 550 kgs

The Pipistrel Sinus FLEX model can be flown at MTOW’s up to 600 kgs

Specifications Pipistrel Sinus –  550 kgs MTOW
engine Rotax 912 UL2
rated power 80 hp at 5,800 rpm
propeller Vario 63’’ 1620 mm
dimensions feet metric
wing span 49’ 1’’ 14.97 m
length 21’ 4’’ 6.50 m
height 6’ 1.82 m
wing surface area 132.0 sqft 12.26 m2
vertical fin surface area 11.8 sqft 1.10 m2
rudder surface area 4.8 sqft 0.45 m2
horizontal stabilizer and elevator surface area 17.5 sqft 1.63 m2
cockpit width 44 inches 1.12 m
aspect ratio 18.3
weights
maximum weight takeoff 1213 lbs 550 kg
maximum weight landing 1213 lbs 550 kg
standard empty weight 644 lbs 292 kg
typical empty weight – ready to fly 661 lbs 300 kg
payload without fuel 569 lbs 258 kg
payload with full fuel – standard tanks 471 lbs 214 kg
minimum combined cockpit crew weight 119 lbs 54 kg
maximum combined cockpit crew weight 569 lbs 258 kg
baggage allowance, maximum (baggage area floor limit) 55 lbs 25 kg
baggage allowance, typical with full fuel 55 lbs 25 kg
performance Knots MPH KPH
stall speed (flaps extended) 35 kts 40 mph 64 km/h
stall speed (flaps retracted) 40 kts 46 mph 74 km/h
cruise speed 75% (5300 RPM) 111 kts 127 mph 205 km/h
maximum horizontal speed at sea level 118 kts 135 mph 218 km/h
VNE 120 kts 138 mph 222 km/h
max speed with flaps down 70 kts 81 mph 130 km/h
max speed with airbrakes up 86 kts 99 mph 160 km/h
manoeuvring speed 76 kts 88 mph 141 km/h
turbulence penetration speed 76 kts 88 mph 141 km/h
best climb speed 62 kts 71 mph 115 km/h
max climb speed 62 kts 71 mph 115 km/h
max climb rate 1063 fpm 5.40 m/sec
min sink rate 217 fpm 1.10 m/sec
min sink speed 48 kts 55 mph 88 km/h
max sink with airbrakes 866 fpm 4.40 m/sec
best glide ratio 27.1
best glide ratio speed 51 kts 59 mph 95 km/h
takeoff – ground roll – at MTOM 433 ft 132 m
takeoff total distance over 50 ft obst. at MTOM 761 ft 232 m
landing distance over 50 ft obst. (airbrakes) 886 ft 270 m
absolute ceiling at MTOM 23622 ft 7200 m
flap settings -5°, 0°, 9°,  18°
load factor permitted +4 -2 g
load factor tested +/- 7.5 g
designed safety factors 1.875
45° to 45° roll time 4.2 Seconds
center of gravity (MAC) 20% – 39%
fuel
standard fuel capacity, total 15.9 US gal 60 liters
standard fuel capacity, usable 14.5 US gal 55 liters
standard fuel weight full 98 lbs 44 kg
standard endurance (including 30 min reserve) 4.9 hours 294 minutes
standard range at cruise speed ( reserve) 505 NM 935 km
fuel flow at cruise speed – typical 3.0 US gph 11.2 l/h
long-range fuel capacity, total 26.4 US gal 100 liters
long-range fuel capacity, usable 24.6 US gal 93 liters
long-range fuel weight full 163 lbs 74 kg
long-range endurance (including 30 min reserve) 7.7 hours 462 minutes
long-range range at cruise speed (excl. reserve) 850 NM 1575 km
NOTE:  Pipistrel reserves the right to revise this specification sheet whenever occasioned by product improvement, government authority, regulations or any other good cause.
Specifications Pipistrel Sinus –  MAX 600 kgs MTOM
engine Rotax 912 UL2
rated power 80 hp at 5,800 rpm
propeller Vario 63’’ 1620 mm
dimensions feet metric
wing span 49’ 1’’ 14.97 m
length 21’ 4’’ 6.50 m
height 6’ 1.82 m
wing surface area – long tips 132.0 sqft 12.26 m2
wing surface area – short tips 118.4 sqft 11.00 m2
vertical fin surface area 11.8 sqft 1.10 m2
rudder surface area 4.8 sqft 0.45 m2
horizontal stabilizer and elevator surface area 17.5 sqft 1.63 m2
cockpit width 44 inches 1.12 m
aspect ratio 18.2
weights
maximum weight takeoff 1323 lbs 600 kg
maximum weight landing 1323 lbs 600 kg
standard empty weight 717 lbs 325 kg
typical empty weight – ready to fly 772 lbs 350 kg
payload without fuel 606 lbs 275 kg
payload with full fuel – standard tanks 508 lbs 231 kg
minimum combined cockpit crew weight 119 lbs 54 kg
maximum combined cockpit crew weight 551 lbs 250 kg
baggage allowance, maximum (baggage area floor limit) 55 lbs 25 kg
baggage allowance, typical with full fuel 55 lbs 25 kg
performance Knots MPH KPH
stall speed (flaps extended) 40 kts 46 mph 74 km/h
stall speed (flaps retracted) 46 kts 53 mph 85 km/h
cruise speed 75% (5300 RPM) 111 kts 127 mph 205 km/h
maximum horizontal speed at sea level 115 kts 132 mph 213 km/h
VNE 120 kts 138 mph 222 km/h
max speed with flaps down 70 kts 81 mph 130 km/h
max speed with airbrakes up 86 kts 99 mph 160 km/h
manoeuvring speed 76 kts 88 mph 141 km/h
turbulence penetration speed 76 kts 88 mph 141 km/h
best climb speed 62 kts 71 mph 115 km/h
max climb speed 62 kts 71 mph 115 km/h
max climb rate 1063 fpm 5.40 m/sec
min sink rate 217 fpm 1.10 m/sec
min sink speed 51 kts 58 mph 94 km/h
max sink with airbrakes 866 fpm 4.40 m/sec
best glide ratio 23.1
best glide ratio speed 57 kts 65 mph 105 km/h
takeoff – ground roll – at MTOM 820 ft 250 m
takeoff total distance over 50 ft obst. at MTOM 1312 ft 400 m
landing distance over 50 ft obst. (airbrakes) 886 ft 270 m
absolute ceiling at MTOM 23622 ft 7200 m
flap settings -5°, 0°, 9°,  18°
load factor permitted +4 -2 g
load factor tested +/- 7.5 g
designed safety factors 1.875
45° to 45° roll time 4.2 Seconds
center of gravity (MAC) 20% – 39%
fuel
standard fuel capacity, total 15.9 US gal 60 liters
standard fuel capacity, usable 14.5 US gal 55 liters
standard fuel weight full 98 lbs 44 kg
standard endurance (including 30 min reserve) 0 minutes
standard range at cruise speed (excl. reserve) 505 NM 935 km
fuel flow at cruise speed – typical 3.0 US gph 11.2 l/h
long-range fuel capacity, total 26.4 US gal 100 liters
long-range fuel capacity, usable 25.1 US gal 95 liters
long-range fuel weight full 163 lbs 74 kg
long-range endurance (including 30 min reserve) 0 minutes
long-range range at cruise speed (excl. reserve) 850 NM 1575 km
NOTE:  Pipistrel reserves the right to revise this specification sheet whenever occasioned by product improvement, government authority, regulations or any other good cause.

Sinus Polar Graph

What is the width of the cabin?
43.3 inch

What is the weight / fuel consumption penalty for the nose wheel version?
The nose wheel version adds16 lbs in empty weight and increases the fuel flow by 0.4 gph at cruise speed.

Is there a parking brake?

The parking brake is available as an option together with Berringer high performance tyres and wheel brakes.

What is the typical baggage allowance?
Baggage safely fits in the solid luggage compartment behind the seats, which is easily accessible. Baggage allowance varies upon the level of equipment, etc. and can be calculated for each individual aircraft using the formulas in Flight manual and Maintenance manual, Section Weight and Balance.
However, typical values for the Sinus 912 are 60 lbs for aircraft without the rescue system and 29 lbs when the rescue system is installed on board.

Is there a side luggage access door?
The side luggage access door is available as an option and provides easy and direct access to the luggage area from the outside. It features a lock so all your items inside will be safe. For much larger objects, the access to the luggage compartment is through the cabin – the seats fold in seconds and this provides a large opening and additional access to the luggage compartment.

Can you fly without the door for aerial photography?
Yes. You can remove one door completely, whereas the other door must be in place, closed and locked. With this configuration there are no extra airspeed restrictions, however the maximum recommended airspeed is 108 kts. Removing the door is a simple and quick procedure and only requires two safety pins to be removed.

Time needed to dismount the wings?
The wings are easily assembled and dismounted, should this be required. All control connections are self-fitting, so you only need to connect the fuel lines and strobe connectors, which take only seconds. All together it never takes more than 15 minutes, with experience even 5 minutes will be enough!

Can I do aerobatics, spins in the Sinus 912?
The design basis of the Sinus 912 follow the strictest EASA CS-22, CS-VLA and LTF-UL (sections) certification standards, as well as their FAA FAR counterparts. The Sinus 912 is a high-performance airplane and not suitable for aerobatics, despite the +4 G, -2 G allowable loads. Pipistrel cannot prevent people doing aerobatic maneuvers in the aircraft, but we do not approve it – the reason is in aerodynamics. The Sinus 912 has so little drag that it picks up speed MUCH quicker than other aircraft. This can be dangerous in aerobatic maneuvers (also spins, which are completely recoverable) and an average pilot can very quickly overstress the airframe because of airspeed. The aircraft can reach 145 kts in a dive in a matter of seconds! But flown correctly it is a very safe and forgiving aircraft.

Exterior paint
The paint used is a special acrylic based pigment, which is applied during the molding process. Pipistrel aeroplanes are not after-painted like most other aeroplanes – instead, paint is applied onto/into the structure while molding. This makes the paint much more durable and resistant to UV light and environmental contaminants. Recommendations for care and cleaning of the aircraft can be found in the Flight manual and Maintenance manual, section Handling and Maintenance, chapter Keeping your aircraft in perfect shape.

Is the leather upholstery offered as optional equipment true leather? What colours are available?
Yes, we use 100% genuine NAPA leather with Bovine texture in a wide choice of colors. The customer can choose the color of the seats and surrounding upholstery (side carpets, firewall, instrument panel pockets etc) separately. Up to two different colors per aircraft can be selected, for example: Red seats with Vanilla interior.

Manuals , downloads and other information

Whilst we always try to keep these documents up-to-date please check with the manufacturers website for the most recent legal version of the manuals.

Pipistrel Virus SW iS EXP

Revision

No.

PDF
Aircraft Assembly Manual ALPHA, Sinus, Virus, Virus SW
R1
PDF
LSA Aircraft Maintenance Manual
R5
PDF
LSA ASTM Quality Control Manual
R7
Pipistrel Sinus LSA

Revision

No.

PDF
Pipistrel Sinus LSA Glider 550 kgs POH
R3
PDF
Pipistrel Sinus LSA Glider 585 kgs POH
R3
PDF
Pipistrel Sinus MAX LSA Glider 600 kgs POH
R1
PDF
Pipistrel Sinus Vario Propeller
R3
PDF
Pipistrel Sinus Removable Wingtips
R1
Pipistrel Virus SW iS EXP

Revision

No.

PDF
Aircraft Assembly Manual ALPHA, Sinus, Virus, Virus SW
R1
PDF
LSA Aircraft Maintenance Manual
R5
PDF
LSA ASTM Quality Control Manual
R7
Pipistrel Sinus FLEX LSA

Revision

No.

PDF
Sinus FLEX LSA Glider POH
R3
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