Fall 2013

Patent Update A Google review of the main Jyrodyne patent shows that ten separate, new patents have now cited it as a reference in their patents. These patents have been obtained by companies such as Honeywell, Eurocopter and General Electric. The patent issued at the end of 2005, and is good until 2020.

Another […]

Spring 2013

Jyrodyne work has continued on the wing roots, with the 8 of them being completed in April.

Midrigger Frames The midrigger frames have started to be fleshed out. The initial truss structure of the midriggers – which carry the top wing loads down to the massive ring spar that circles the bellmouth – needed beefing […]

Summer 2013

A major concern about the Mathis Airport, where the hangar is located, developed in the summer. It looks like the airport will be sold to a developer shortly, which means the hangar will need to be emptied, dismantled, and moved to another airport. To say this is a potential pain in the ass is an […]

Early 2013

In early February, I fell down some slick outside stairs and 95% ruptured my quadricep ligament on my left knee.

While laid up for a month, I was able to start a new RC model which is coming along, with the fuselage and wings completed. I had a cast through February 26th, which severely limited […]

Winter 2012-2013

Progress has picked up at the end of the year as my consulting engineering workload has tapered off, as it often does at the end of the fiscal year for many businesses.The ability to work on the Jyrodyne has picked up to five days or more a week!

Passenger Compartment Welding

Passenger compartment […]

Winter 2012 Newsletter

Progress has picked up at the end of the year as my consulting engineering workload has tapered off, as it often does at the end of the fiscal year for many businesses. Clients have run out of budget by the end of the year, and also been waiting on the results of the November election. […]

Summer/Fall 2012 Newsletter

Vol. 6 Number 1

Progress has been slow because while I have gone into “semi-retirement” for a year, my consulting workload has gone up to about a 40 hour, 5 day week! Seems process engineers are few and far between now, since the chemical industry decimated them over the past ten years. In any event, […]

Spring 2012 Newsletter

Vol. 5 Number 4

Winter 2011-2012

Progress has continued on a steady, if not rapid pace. The 3 day a week workload has increased due to some outside consulting to a much heavier workload in January and February( more like 7 days a week!), which has slowed progress somewhat.

Cowlings have be made for the […]

2nd engine mount

The second engine mount on the other side of the drivetrain is now in progress, with specific work being done on the support struts which attach to the drivetrain truss. The belt to the other engine is shown on the left of the photo.

2nd engine mount

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Jyrodyne Engine Runs!

Check out the latest video!