propulsionChallenge
P183083
predicate
Indicates a relationship where an entity faces difficulty, limitation, or inefficiency in generating or sustaining the propulsion needed for movement or thrust.
Sample triples (1)
| Subject | Object |
|---|---|
|
Lippisch P.13a ramjet fighter
surface form:
Lippisch P.13a
|
coal combustion control in ramjet ⓘ |