Grandpa's Secrets

Discover a Wealth of How-to Projects & Plans from a Bygone Era.

Explore our Scientific & Mechanical History
in Vintage Hobby, Craft, & Technical Magazine articles.

10" 3 point Hydroplane Tether or Free run How-To build PLANS

Plans to Build a 10" Model 3 point Hydroplane - powered by a small gas glow plug engine - can be tethered or free run.

  • Balsa construction.
  • Uses a .02 - .045 gas powered model engine.

This is an original 5 page magazine article from 1951.

We do not photocopy these.


Article Includes

  • Measured Drawings and Diagrams
  • Complete Instructions
SHIPPING TERMS: Buyer to prepay and add -

  • Multiple Wins may be grouped to save on shipping.
    • $3.00 for USPS first class mail service or
    • $6.50 for priority mail service.
    • $3.00 for shipping to Canada.
    • $5.00 other International shipping

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