From: EPI Inc.       Contact: tech@epi-eng.com

 

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Last Site Update: 07/09/08

Design, Development and Manufacture of
Engine and Gearbox Systems and Components

Aircraft, Automotive, Marine and Industrial Applications

EPI, Inc. specializes in the design and development of piston engines, and of power transmission systems for both piston and turbine engines, as well as components and subsystems for propulsion systems, with emphasis on aircraft applications. EPI also provides expert 3D-CAD and reverse-engineering services, and excellent technical writing services.

We have designed and implemented a wide variety of products, including (a) reliable, high-performance liquid-cooled V8 aircraft engines, (b) lightweight, extremely reliable propeller reduction gearboxes (PSRU's), (c) several conversions which replace the engines on existing aircraft with newer, more powerful engines, (d) Various gearboxes and accessories for Garrett TPE-331, Allison B-250 and Solar T-62 turbine engines, and Much More.

This site presents information about EPI's Engine and Drive System products, EPI's Design, Analysis and Prototyping services, together with a large collection of technical information about (a) piston engine design, implementation and performance improvements, (b) design and implementation of transmissions and propeller reduction drives, (c) design and execution of aircraft engine installations and conversions, and a host of related subjects.

Please try the Website Search Function at the upper left corner of every page to find the specific information you are seeking.   Also, the Site Map might help locate the subject material you are seeking.

Complete Engine Development Services including airflow measurement, cam profile evaluation, dyno-testing, component design
Design, Development and Testing
of High Performance Engines
 Cutaway of EPI 73-pound PSRU for 500 HP engine
Reliable, Lightweight
Propeller Reduction Gearboxes
500-HP, 431-Pound Aircraft V8
Reliable, High Performance
Aircraft Engines and Subsystems
 ORENDA 600 HP V8 Engine on Aero-Commander 685
Design and Fabrication of Complete
Aircraft Engine Conversions

One of the primary objectives of this website is to present technical information in an intuitive way, without the need to digest lots of math in order to understand the concepts. There are lots of graphs and pictures to assist the painless transfer of information.

Some of the many topics presented on this site include:

  • piston engine technology
  • airflow passage design
  • valve-train design
  • torsional vibration
  • heat transfer
  • engine mount design
  • reduction drive technology
  • gear design
  • shaft design
  • bearing loadings
  • component fatigue and life predictions
  • propeller characteristics

See the Site Map for a more complete picture of the subjects related to aircraft powerplant design and installation.

The information presented on this site can be verified from a variety of engineering texts (see Reference Library) and from history.

Throughout this site, references to works in our library are shown as:

Library Section Number : Book Number : Page Range.

For example, the notation (ref-2:6:377-390) refers to Library Section 2 {Mechanical Design}, Book 6 {Applied Tribology}, Pages 377 through 390.