This is an updated version of my previous Delta IV Heavy. This version has a few changed to it:
- Updated auto launch code (no new capabilities, just behind the scenes changes as I've updated it for other projects.)
- Updated engine exhaust effects to be more realistic
- Updated DCSS RCS input to be more refined
- Updated core RS-68A throttle input to be more refined
- Updated CBC separation motors to use the new fuel grains
ULA's Delta IV Heavy is the largest and most powerful configuration in the Delta IV Rocket family. The First stage consists of 3 Common Booster Cores (CBCs) utilizing the RS-68 engine. The second stage or Delta Cryogenic Second Stage (DCSS) uses a single RL10-B-2 engine with a deployable nozzle extension.
As of posting, the Delta IV Heavy is the world's second most powerful launcher in operation, behind SpaceX's Falcon Heavy, and followed by CNSA's Long March 5
The Vizzy used for flight is a modified version of GoldenShadowGS's Orbital Maneuver Suite that allows for more user-friendly use.
- High physics setting required
Features:
User Interface for customizable orbits around Droo, Brigo, and Luna

Realistic Booster Separation, and core throttle control

Custom RL10-B-2 Engine, with extendable nozzle, and realistic deployment

GENERAL INFO
- Successors 1 craft(s)
- Created On: Windows
- Game Version: 0.9.918.1
- Price: $79,632k
- Number of Parts: 2449
- Dimensions: 71 m x 16 m x 6 m
PERFORMANCE
- Total Delta V: 5.4km/s
- Total Thrust: 16.0MN
- Engines: 24
- Wet Mass: 6.73E+5kg
- Dry Mass: 2.42E+5kg
STAGES
| Stage | Engines | Delta V | Thrust | Burn | Mass |
|---|---|---|---|---|---|
| 1 | 3 | 2.8km/s | 11.4MN | 1.9m | 6.73E+5kg |
| 2 | 0 | 0m/s | 0N | 0s | 2.96E+5kg |
| 3 | 12 | 30m/s | 76kN | 44s | 1.12E+5kg |
| 5 | 1 | 2.6km/s | 988kN | 3.8m | 1.12E+5kg |
11 Comments
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27.7k ChaoticGraviton+1 3.3 years ago
@FelixFan1 @jrzspace I just took the picture using the ingame camera tools
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5,022 FelixFan1+2 3.3 years ago
The third picture is the most beautiful image of a rocket I’ve ever seen on this website.
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I love the design of the second stage engine and the way you put the gimbaling mechanism. So cool! Good job!