Blackshape Prime vs Porto Aviation Risen SV 916

Side-by-side specs, range, and operating costs.

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Dimensions & configuration

Representative planforms, drawn to shared scale.

Blackshape Prime
26.1 × 23.6 ft 7.9 ft tall
1× Piston Retractable Unpressurized
Porto Aviation Risen SV 916
26.9 × 22.3 ft 8.0 ft tall
1× Piston Retractable Unpressurized

Flight Profile

Service ceiling, range, and climb rate.

Tap legend to isolate

Arc represents the climb-cruise-descent profile based on published service ceiling and range. Climb rate annotated on ascent. FL180 (18,000 ft) shown for reference.

Mission Performance

Stall, approach, cruise, range, ceiling and climb: best values are at the top.

Mission performance specifications
Specification Blackshape PrimePorto Aviation Risen SV 916
Stall speed 40 kt—
Approach speed 54 kt55 kt
Cruise speed 148 kt215 kt
Range 680 nm907 nm
Service ceiling —23000 ft
Rate of climb 1100 fpm2200 fpm
Fuel burn 4.8 gph6.9 gph

Each axis is scaled independently across the compared aircraft and printed in its own units; every vertex sits at the published figure. Higher is better on all axes: Stall, Approach and Fuel Burn are inverted (lower = higher). A missing figure breaks the line at that axis.

Fuel Burn & Range

Range, endurance, and what the fuel costs by the hour.

Blackshape Prime Mogas
4.8 gph
Baseline
680 nm range 30.8 nm/gal 17 gal usable $24 fuel/hr 3h 32m endurance
Blackshape Prime: 4.8 gallons per hour at cruise, 680 nautical mile published range, 3 hour 32 minute endurance, 30.8 nautical miles per gallon.
Porto Aviation Risen SV 916 Mogas
6.9 gph
Baseline
907 nm range 31.2 nm/gal 31 gal usable $34 fuel/hr 4h 29m endurance
Porto Aviation Risen SV 916: 6.9 gallons per hour at cruise, 907 nautical mile published range, 4 hour 29 minute endurance, 31.2 nautical miles per gallon.
Mogas range each cell = 1 hr of cruise · width scales with speed

Bars show published still-air range. Endurance is usable fuel divided by the published cruise burn. Estimates only. Always verify against the POH.

Runway Performance

Density altitude adjusted estimates

Outside Air Temp
0°F57°F115°F
Field Elevation
SL4,0008,000 ft
Density Altitude

Takeoff over 50 ft obstacle

Landing ground roll

Base distance DA penalty
Scale: 6,000 ft

FAA 10%/1,000 ft DA rule of thumb (FAA-H-8083-25B). Turboprops and jets are less sensitive in practice. Always verify against the POH.

Estimated Operating Costs

Scale:
Blackshape Prime Mogas
$39 /hr
Baseline
Blackshape Prime: $39 per flight hour — fuel $24, maintenance and reserve $15.
Porto Aviation Risen SV 916 Mogas
$62 /hr
Baseline
Porto Aviation Risen SV 916: $62 per flight hour — fuel $34, maintenance and reserve $28.
Blackshape Prime Piston
$9,483 /yr Baseline
Blackshape Prime: $9,483 per year — insurance $4,000, hangar $4,633, annual inspection $850.
Porto Aviation Risen SV 916 Piston
$11,033 /yr Baseline
Porto Aviation Risen SV 916: $11,033 per year — insurance $4,000, hangar $4,533, annual inspection $2,500.

Estimates only. Costs vary by location, pilot profile, and market conditions. See individual aircraft pages for source notes.

Capability & limits

Each bar stacks your selected occupants against full fuel and the aircraft's useful-load limit (the black line). The open gap between them is spare payload. Add an occupant and the gap closes; once it's gone, fuel has to give.

lb

+ lb / pax

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Blackshape Prime
2 / 2 seats 17 / 17 gal fuel 286 lb wet payload 388 lb useful 1,042 lb MTOW
Porto Aviation Risen SV 916
2 / 2 seats 31 / 31 gal fuel 420 lb wet payload 606 lb useful 1,378 lb MTOW

Occupants at 190 + 30 lb each. Fuel at 6.7 lb/gal jet-A, 6.0 lb/gal avgas.

Payload-Range Map

Origin: · two fingers to move map

lb

+ lb / pax

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1

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