Napier Rapier
E878364
The Napier Rapier was a British air-cooled, 16-cylinder H-type aircraft engine developed in the early 1930s for light aircraft and racing planes.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Napier Dagger | 1 |
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
H‑type engine
ⓘ
aircraft engine ⓘ piston engine ⓘ |
| application |
air racing
ⓘ
civil aviation ⓘ |
| blockMaterial | aluminium alloy crankcase ⓘ |
| bore | 3.5 in ⓘ |
| category |
1930s aircraft piston engine
ⓘ
Napier aircraft engines NERFINISHED ⓘ |
| configuration | H‑configuration ⓘ |
| coolingSystem | air‑cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| crankshaftConfiguration | two crankshafts geared together ⓘ |
| cylinderArrangement | four banks of four cylinders ⓘ |
| cylinderHeadType | aluminium alloy cylinder heads ⓘ |
| designedFor |
light aircraft
ⓘ
racing aircraft ⓘ |
| designGoal | compact high‑revving engine ⓘ |
| designPeriod | interwar period ⓘ |
| developer | Napier engineering team led by Arthur Rowledge ⓘ |
| displacement | approx. 1,960 cu in ⓘ |
| era | early 1930s ⓘ |
| fuelType | aviation gasoline ⓘ |
| ignitionSystem | dual ignition ⓘ |
| manufacturer | D. Napier & Son NERFINISHED ⓘ |
| marketRole | competition to contemporary inline and radial light‑aircraft engines ⓘ |
| notableFeature | unusual 16‑cylinder H‑layout for light aircraft ⓘ |
| numberOfCylinders | 16 ⓘ |
| powerOutputClass | low‑to‑medium power ⓘ |
| productionStart | early 1930s ⓘ |
| propulsionType | propeller‑driven aircraft engine ⓘ |
| status |
historic engine
ⓘ
out of production ⓘ |
| stroke | 3.5 in ⓘ |
| successor | Napier Dagger NERFINISHED ⓘ |
| supercharging | naturally aspirated ⓘ |
| typicalMounting | nose‑mounted tractor installation ⓘ |
| usedBy | British private owners and racing pilots ⓘ |
| usedIn |
experimental aircraft
ⓘ
record‑attempt aircraft ⓘ |
| usedInAircraft |
Blackburn B‑1 Segrave
NERFINISHED
ⓘ
de Havilland DH.71 Tiger Moth (modified examples / trials) ⓘ various British light aircraft prototypes ⓘ |
| valvetrain | single overhead camshaft per bank ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Napier Dagger