RV-1 "Cub" Vernier Engine

RV-1 "Cub" Vernier Engine
Liquid fuel engine by Reaction Systems Ltd
Radial size		Tiny, Radial mounted
Cost	(total)	800.00
Mass	(total)	0.180 t
Drag		0.3-0.2
Max. Temp.		2000 K
Impact Tolerance		7 m/s
Research		Precision Propulsion
Unlock cost		3 200
Since version		1.4.1
Part configuration		LiquidEngineRV-1.cfg
Maximum thrust	(1 atm)	28.90 kN
	(vacuum)	32.00 kN
Isp	(1 atm)	280 s
	(vacuum)	310 s
Fuel consumption		2.11 /s
Thrust vectoring		22.5 °
Testing Environments
On the surface		Yes
In the ocean		Yes
On the launchpad		Yes
In the atmosphere		Yes
Sub-orbital		Yes
In an orbit		Yes
On an escape		Yes
Docked		No
Test by staging		Yes
Manually testable		Yes
Packed volume		170 l

The RV-1 "Cub" Vernier Engine is a small side-mounted engine that can be used for aesthetics, thrust augmentation, and additional thrust vector control. It is typically paired with the RK-7 "Kodiak" Liquid Fueled Engine.

Usage

The Cub is in some respects an upgrade to the Mk-55 Thud. For its size, the Cub has relatively good Isp and extremely good TWR, more comparable to a size 2 engine than anything else. It also features the highest gimbal range in the game. The trade-off is in the greater relative and absolute cost, and position several nodes farther up the tech tree.

Product description

“

Mew! These little vernier engines have a huge deflection, but can only gimbal in one dimension. — Reaction Systems Ltd

”

Trivia

Real-world comparison

The RV-1 was inspired by the Russian RD-107 engine but made it recognizable as part of a R7 rocket.

Changes

1.6

• Moved tech from Heavier Rocketry to Precision Propulsion
• Increased unlock cost from 3000 to 3200
• Decreased cost from 1000 to 800
• Increased crash tolerance from 6 to 7
• Decreased Vacuum thrust from 40 to 32
• Improved ASL ISP from 270 to 280
• Decreased Vacuum ISP from 320 to 310

1.4.5

• Added ModuleTestSubject

1.4.1

• Initial Release