Physicist. Engineer. Model Aviator.

David Siegler (NE9N) — 20+ years of industrial automation leadership, now focused on the intersection of electronics, safety, and the timeless art of model aviation.

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Passions & Projects

Ham Radio (NE9N)

Extra Class license holder. My primary creative outlet for exploring electronics, antenna design, and global radio connectivity.


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Aviation & KidVenture

Active EAA member and Assistant Chairman for KidVenture. I love teaching kids the physics of flight through model aviation.


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Cycling

Cycling

The perfect blend of mechanical precision and physical endurance.


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Memberships

Local Hubs

Model Resources

Curated list of model airplane links and free plan sources for builders.


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Project Blog

Technical deep dives and build logs for my latest engineering projects.


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Recent Adventures

Circle Masters Flying Club
CLUB LEADERSHIP

Circle Masters Flying Club

Representing the club as Vice President. We promote control-line aviation through community events and flight training.


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EAA Museum Aviation
AVIATION HERITAGE

EAA Museum & KidVenture

Assistant Chairman for KidVenture. Dedicated to preserving aviation history and inspiring the next generation of pilots and engineers.

Featured Maker Projects

GitHub Repository

Where my code lives. From embedded experiments to web tools like this portfolio.


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Cheesehead Timer

A custom electronic flight timer designed for the EAA KidVenture "Eagle One" trainer. Engineered using KiCad, Onshape, and 3D printing.


View Eagle One Specs
Battery Engineering Project

Advanced Battery Systems

Architecting high-performance battery and charging systems for portable industrial equipment. Focus on safety and efficiency.


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Circle Masters Site

As the Vice President and Webmaster, I maintain the digital home for Wisconsin's premier control-line flying club.


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3D Printing & CAD

Ender 3 with OctoPrint integration, OpenSCAD parametric code models, Onshape cloud assemblies, and Thingiverse designs.


Sherline Lathes & Milling

Precision micro-machining with Sherline miniature lathes, vertical milling column, and rotary table attachments for model aviation parts.


View Sherline Page

Electronics Test Equipment

RigExpert, Tektronix TDS540 500MHz scope, NanoVNA, Saleae Logic Analyzer, PicoScope, Heathkit VTVM & Triple Power Supply.


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Industrial Consulting

Functional Safety

IEC 61508 management and audits for safety-critical systems. My "day job" passion.

Technical Leadership

Strategic roadmapping and team building for complex engineering organizations.

Embedded Power Control

High-reliability motor control, power conversion, and embedded systems architecture for industrial applications.

System Connectivity

Solving complex networking challenges between safety-rated embedded systems and the cloud.

Professional Background

Briggs and Stratton

Senior R&D Manager Electronics

2023 — Present

Milwaukee Electric Tool

Chief Engineer

2019 — 2022

Rockwell Automation

Firmware Architect / Director

1990 — 2018
View Full Professional Resume

Let's Chat

Whether you want to talk antenna theory, aviation, or industrial safety, I'm always up for a good conversation.

Get in Touch

I'm best reached via email for consulting inquiries or hobbyist collaboration.

Prefer direct email?

dwsiegler@gmail.com