Consulting Projects

Analysis of the effects of a refueling system on the KC-135R for AEL Industries (now BAE Systems).

Computer aided drafting work on a twin-engine propeller all-composite experimental airplane for DreamWings. Design includes stability and control analysis for one airplane with three different engines.

Stability and control derivatives for the Cessna Citation II for Alpha Systems, a simulator company.

Preliminary design and analysis on the Kelly Space and Technology Second Generation Reusable Launch Vehicle under the NASA NRA8-27 contract.

Design and analysis for Freewing.

Weight and moment of inertia prediction of the Cessna Caravan for Kohlman Systems Research.

Design verification, aerodynamic, stability and control support for a small business jet for Safire Aircraft.

Aerodynamic model and weight/moments of inertia of the Piper Malibu Mirage for SimCom.

Design of a new series of Experimental and LSA class airplanes for TranscendX Corp.

Design and analysis of a wind turbine rotor for HiQ Products.

Design and analysis of a wind turbine rotor for Dynastrosi, Inc.

Design and CAD work for Milner Aircar.

Two Seat, Experimental Category carbon fiber kit airplane.

Part of the control system for a two-seat, experimental category carbon fiber kit airplane.

Mechanical and interior systems layout for a two seat kit airplane

Construction of prototype airplanes for TranscendX Corp.

Carbon fiber wings for 2-Seat Experimental Category airplane under construction

A wing plug being milled to make a mold for a two place experimental airplane.

Client trust and confidentiality is most important to DARcorporation, so many of our projects can not be listed. Below are a few of the projects we've worked on. Hyperlinked images lead to higher-resolution versions of the same image.

We use existing airplanes to verify analysis and design methods for new airplanes and an extensive database of existing airplanes for comparative analysis.

DESIGN

Analysis of stick forces, longitudinal stability and control and verification with airworthiness standards. Analysis included ground effects, flap effects and propeller slipstream effects.
Analysis of the stability and control including stick forces and gradients for a KC-135R with a fuselage mounted external refueling system.
Stability and control derivatives for the Beech Bonanza for MDM Systems, Inc. a simulator company. All stability and control derivatives are determined for several flight conditions to create a flight simulator model.
Stability and lift analysis of a 6-seater General Aviation aircraft for Hutterer Engineering. Verification of a new design of a 6 passenger propeller airplane. Analysis included vertical tail sizing and wing sizing.
Investigation of forward maneuver area air-delivery systems for the US Navy, US Marine Corps. Creation of a simulation program for air dropping payload. Preliminary design of new airplanes to be used for delivering payload in war-zones.
Derivation of a system of equations of motion for Precision Training Software, a simulator company. Mathematical equations are derived for a training simulator.
New design of a two person kit airplane.
New design of an all composite two person kit airplane for DreamWings.
Preliminary design of two airplanes based on an existing kit airplane.
Preliminary Design of a small freighter/passenger airplane for NEXUS.
NASA SBIR Phase II contract: Development of G.A.-CAD (General Aviation Computer Aided Design). To revitalize the General Aviation industry, NASA Langley awarded DARcorporation a contract to design a preliminary design and analysis tool for PCs including structural design and drafting capability. NASA Spinoff: Summer 1997 issue, pg. 60.
Fully detailed control system design using 3-D modeling.
Design verification of a twin engine airplane for Air Tractor. Analysis of competitor airplanes and comparison with new designs. Stability and control verification, including control forces.
Design verification of several fire-fighting airplanes for Air Tractor. Preliminary design verification and performance analysis on a family of small airplanes.

Complete loads analysis and control system design of a two-seat all composite ultralight/experimental airplane for DreamWings, LLC.

Water tunnel tests on a modified KC-135R for AEL Industries (now BAE Systems).

Load testing of the carbon fiber wing of a two-seat experimental category kit airplane.

Impact Resistance Testing and evaluation of various composite panel skin materials.

Design verification of a single engine airplane for Air Tractor.
Design verification and performance analysis on a family of small airplanes. Analysis of competitor airplanes and comparison with new designs. Stability and control verification, including control forces.
Design verification and stability and control analysis on the VisionAire Vantage business jet.
All stability and control derivatives are determined for several flight conditions to create a flight simulator model.
Simulation model of an Air Tractor 502B for SimCom.
Aerodynamic model and weight/moments of inertia of the Piper Meridian for SimCom.
Aerodynamic model and weight/moments of inertia of the Raytheon KingAir 350 for SimCom.
Design studies for Air Tractor on single-, twin- and three-engine airplanes.
Aerodynamic model and weight/moments of inertia of the Piper Meridian for SimCom.
Preliminary design of a two-seat single engine jet-trainer.
Preliminary design of a two-seat single engine jet-trainer.
Preliminary design of a family of 4-6 seat twin-engine jets.
Preliminary sizing of a small business twin-engine jet for Safire Aircraft.
Performance analysis of a single engine turboprop trainer.
Performance analysis and stability and control verification of a 7-seat single engine turboprop.
Loads analysis on a small cargo turboprop airplane.
Aerodynamic model and weight/moments of inertia of the Raytheon KingAir 350 for SimCom.
Preliminary design of a family of 4-6 seat twin-engine jets.
Aerodynamic model and weight/moments of inertia of the Bombardier CRJ for SimCom.
Aerodynamic model and weight/moments of inertia of the Socata TBM 700 for SimCom.
Performance analysis of a water bomber for Air Tractor.
Preliminary design of a supersonic business jet for OrthoAir.
Performance analysis for a twin-engine turboprop freighter airplane.
Weights and performance analysis of a tilt rotor concept.
Horizontal tail analysis for a 2-seat amphibious airplane.
Aerodynamic model and weight/moments of inertia of the Mitsubishi MU-2 for SimCom.
Preliminary design of a 4-seat business jet.
Loads analysis for the Snow S-22.
Conceptual design of a single engine 4-seat G.A. airplane.
Preliminary design of a personal air vehicle capable of vertical take-off.
Preliminary design of a twin engine 6-seat G.A. airplane.
Weights sizing and performance sizing for a small amphibious personal airplane.
Design and analysis of a UAV for D-Star Engineering.

BUILD

Development of techniques to interface CAD with CAM to manufacture plugs and molds for DreamWings.
Development of innovative methods for building composite structures.
Development of fast, lightweight methods for attaching composite structures to each other.

First flight of a new LSA category composite airplane, the Nexaer LS-1, on October 16, 2006. DARcorporation was involved with design and development.

First flight of Experimental category, two seat, carbon fiber airplane for DreamWings, LLC.

Landing, first flight of Experimental, two-place carbon fiber kit airplane designed, built and tested under guidance of DARcorporation.

TEST

Analysis of flow effects on the horizontal tail for a modified KC-135R with a fuselage mounted external refueling system.
Water tunnel tests on a Boeing 707-320B for AEL Industries (now BAE Systems). Analysis of flow fields under the fuselage of a Boeing 707 for locating the best position of a refueling system.
Management of load testing program for DreamWings, LLC.
Water tunnel tests on a small business jet for VisionAire.
Management of flight test program for DreamWings, LLC.
Wind tunnel tests and project management for a small business jet for VisionAire Corporation.
Wind tunnel test for Safire Aircraft Company.
Management of flight test program for TranscendX corp.

FLY

First flight of a Sport Pilot ready tandem seater, carbon fiber twin-boom pusher propeller airplane.
First flight of Experimental category, two seat, carbon fiber airplane for DreamWings, LLC.

Please Contact DARcorporation for additional information.