

Thompson Family Photo
Family photo.

Family Photo Pedigree
Photo-based family tree showing multiple generations connected to the SKI-GO story.

SKI-GO Family Hobby Photos
Family photos showing SKI-GO use and transport in real-world settings.

SKI-GO Action Photos
Candid and staged photos showing SKI-GO in use and period marketing context.

Personal Cars Through the Years
Photographs of vehicles owned from the 1940s-1980s.

SKI-GO Promotional Advertisement
Promotional SKI-GO advertisement.

McCulloch Twin Action Safety Mower Ad
Another engineering project by James A Thompson; The McCullouch twin action Safety Mower

SKI-GO Letterhead & Logo
Letterhead featuring SKI-GO logo and company address.

SKI-GO Concept Rendering
Hand-drawn conceptual rendering of the SKI-GO personal watercraft.

Autobiography - SkiGo Project Description (Page 20)
A single-paragraph snapshot from a much broader life story. Here Grandpa recounts the SKI-GO project; reflecting on family, travel and what did not materialize.

McCulloch Mower & Chainsaw Spec Sheets
Another engineering project by James A Thompson; the mower, not the chainsaw.

Hull Schematics (Quarter Scale)
Large-format schematics with full hull dimensions at quarter scale.

Propeller Engineering Diagram
Engineering drawing of a propeller for a small personal watercraft.

Muffler Assembly (Full Scale)
Full-scale rendering of the muffler assembly for the SKI-GO.

Muffler Assembly (Half Scale)
Half-scale engineering drawing of the muffler assembly with dimensions.

Drive & Speed Calculations
V-belt drive, chain drive, shaft RPM, and resulting watercraft speed calculations.

Exhaust & Top Speed Calculations
Exhaust gas exit temperature & throughput; derived top-speed estimates.

Cost & Weight Equations
Surface area, cost estimates, part weights, and hull/hardware weight calculations.