Doug Szczepanski's Page

AKA: Starfire73
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2024-02-11

OpenRocket Design
OpenRocket render February 2024, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum) To see all of Starfire73’s OpenRocket files please visit - https://starfireor.blogspot.com/ [More]

2023-12-07

Black Brant XII, Estes 9723

OpenRocket Design
OpenRocket render December 2023, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum) Please visit - https://starfireor.blogspot.com/ Motor retainer courtesy of K'Tesh on The Rocketry Forum Override for weight is Estes estimate of 11.5 oz.\ CG is calcuated value. [More]

2023-09-30

The Rocketry Show

OpenRocket Design
OpenRocket render September 2023, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum) Visit - https://starfireor.blogspot.com/ Visit - https://podcast.therocketryshow.com/ This render was a balance between performance and appearance. My intent was for the rocket to look as much like The ... [More]

2023-08-08

Bell X-1, #46-062

OpenRocket Design
OpenRocket design and render in August 2023, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum), this rocket was originally built in 2007 and the basic Rocksim file was uploaded at that time. This new version is in the OpenRocket format and includes a full graphics rendering. Visit - ... [More]

2023-07-29

Astra - Quest 1004

OpenRocket Design
OpenRocket render July 2023, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum) Visit - https://starfireor.blogspot.com/ for more OpenRocket renders [More]

2023-07-06

Star Crusher - Starfire Design

OpenRocket Design
Build date: September 2006 OpenRocket render July 2023, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum) Visit - https://starfireor.blogspot.com/ A Starfire original design, the Star Crusher was inspired by reading of Dark Jedi Kyp Durron's exploits in one of the most powerful super ... [More]

2023-07-04

Estes, Explorer Aquarius 2016 & 7253

OpenRocket Design
OpenRocket render July 2023, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum). Please visit Starfire's OpenRocket Files blog to see the full collection of my files. https://starfireor.blogspot.com/ Notes: - Mass and CG have been overridden for actual measurements, for the entire rocket. ... [More]

2023-05-30

BLU-97B, 2055/1246

OpenRocket Design
OpenRocket render by Doug Szczepanski (aka Starfire73 on The Rocketry Forum) Visit - https://starfireor.blogspot.com/ > Mass (4.1 oz)and CG (7") overrides are with the 4 plastic cluster bombs, chute, etc. [More]

Estes, Boosted Bertha #1946, STOCK (18 mm Booster)

OpenRocket Design
Includes an Estes Universal Astro Cam attached, which you can easily delete if you would like to. [More]

Estes, Boosted Bertha (1946), MOD (24 mm Booster)

OpenRocket Design
OpenRocket render by Doug Szczepanski (aka Starfire73 on The Rocketry Forum) Visit - https://starfireor.blogspot.com/ - Includes Pod Set for Estes Universal Astrocam, designed for approximate size, weight, and aerodynamic effect. > simply delete the pod set if you don't want it. - Plywood ... [More]

Rubicon, Estes X-Prize (w/Base Vortex Cone for CP)

OpenRocket Design
OpenRocket render March 2023, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum) Visit - https://starfireor.blogspot.com/ The Rubicon has a transparent base vortex cone at the rear for a more accurate sim of CP/stabilibty. It is recommend to remove the base vortex when running sims to more ... [More]

EZI-65, LOC Precision, PK-64

OpenRocket Design
OpenRocket render March 2023, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum) Visit - https://starfireor.blogspot.com/ Includes Aero Pack 54 mm motor retainer [More]

Weasel-29, PK-3

OpenRocket Design
OpenRocket render May 2023, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum) Visit - https://starfireor.blogspot.com/ Mass/CG Override Includes: > Nomex chute protector > DOES NOT include any motors, motor adapters, or dog barf Actual weight: 14.4 oz. CG: 25 5/8" from tip of nose ... [More]

Eradicator - Sirius Rocketry, S-0017

OpenRocket Design
OpenRocket render February 2023, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum). Visit - https://starfireor.blogspot.com/ NOTES: Cd override for front ring fin (body tube) was set to 0.051 to better reflect expected altitudes. Stage Mass and CG overrides are actual measured, no motor. ... [More]

2023-04-11

Estes Alpha VI #1958, 60th Anniversary

OpenRocket Design
OpenRocket render by Doug Szczepanski (aka Starfire73 on The Rocketry Forum) Please visit - https://starfireor.blogspot.com/ to see more of Starfire's OpenRocket Files [More]

2023-04-09

Nike-X, Estes 7259

OpenRocket Design
OpenRocket render April 2023, by Doug Szczepanski (Starfire73 on The Rocketry Forum). Please visit Starfire's OpenRocket Files blog to see the full collection of my files. Note: this render is stock with one exception. Instead of an engine hook I added a motor retainer. Simply delete the motor ... [More]