Thursday, March 26, 2020

1,000 square inch Lanzo Airborn part 3


Tom Boice has worked for a number of years with the old O.S. .60 open rocker four stroke glow engine converted to spark ignition for SAM Texaco events.  A number of mods to get 33 minute motor runs on 28 cc of fuel.  Special fuel tank as seen in photo.  Head shim to decrease compression for gasoline fuel.  Remote O.S. .20 four stroke glow engine carb used (see photo below).  Special fuel formula and probably other mods I am not aware of.  I can verify the 33 minute motor runs as Tom let me fly his 1600 sq. in. Bomber in Texaco last year at 3 SAM contests in the Mid-West.  Three contests and three 1st place in Texaco with Tom's big Bomber.

At the last of these three SAM contests at Fort Wayne, Indiana Chuck Hutton offered me his old O.S. .60 open rocker four stroke glow converted to spark for Texaco.  I accepted Chuck's offer and he mailed it to me after the contest.  I cleaned it up and sent it to Tom with two spark plugs and two ignition modules.  Spark plugs may not be the brand that Tom uses.  Tom said it looked new until he checked it out and could see it had been run a lot with carbon on exhaust valve.  Tom said it is a very good engine and he did his mods and gets 33 minutes with a 18/10 prop turning 2,500 RPM.  With that prop that is all the RPM you need for a regular size Bomber.

Jack Hiner

Friday, March 20, 2020

Covering with Polyspan

For a more comprehensive video, order Dave Platt's Back to Basics DVD

Tuesday, February 18, 2020


Comment HERE

Click HERE to comment.   Please!

Couple examples:

    I am writing to express my disapproval of proposed regulations to substantially limit, hamper, and interfere with a time-honored hobby, namely that of RC (Radio-Controlled) Model Aviation. My brother and I found great fruit in the construction and flying of model airplanes, ever since our childhood, and my brother himself was partially inspired by the hobby to go on to pursue a degree from Notre Dame University in Aeronautical Engineering, and subsequent career work with an aerospace contractor - all beginning with this noble hobby. Both of us obtained pilot licenses, which again were pursuits inspired originally by involvement in the venerable pastime of model aviation. How many American innovators, engineers, scientists, technicians, etc. associated with such aviation-related American corporations such as Boeing, McDonnell-Douglas, Cessna, Piper, Beechcraft, etc., etc. had similar origins of their careers in this admirable hobby of model aviation ? Hence, please do not waste time and government resources to unnecessarily regulate a perfectly self-governing pastime, which does not pose, nor has ever posed any kind of threat to the safety and well-being of American citizens.

      Blessed Septuagesmina,
      - Fr. Joseph C. Klee

I have been in modeling since 1936 and a member of the Academy of Model Aeronautics for most of those years. We have had in effect all these years safety rules and insurance to cover membership. If you will look at the record if the AMA you can see that the vast majority of members are followers of the safety rules. There is no instance that I am aware of, where modelers have been a risk to national security. I know noting of drones and do not own one.

The adoption of a rule governing UAS all modeling in general is unjust and unfair. At age 93, I fly only old timer models designed n the 1930-1950 era. These are balsa and light film covered models which are built by members of The society of Antique Modelers.(SAM). SAM is a specie interest group within the AMA and follows all rules plus SAM has specific rules regarding which models and engines can be used. Most SAM models weigh < 8 pounds. SAM models are inherently stable, meaning that they were designed long ago for free flight. We now use radio so that chasing is reduced to a minimum.

SAM competition is primarily climb and glide. The power of engines is designated related to the size of the model and only certain models are approved ( only those from the era noted above) . Engine runs are limited by rule, corresponding to the model size ad weight. Most events involve models of 8-12 ounce wing loading per square foot of wing area. Thermal recognition and flying skill are involved.

From the above description of SAM, it is obvious that the 400 foot limitation of altitude will do away with this segment of the hobby and associated distributors and many shops which make up the model aircraft industry. I realize that other modelers have different views and comments, so I repeat that one set of rules does not fit all. We would like some compromise which will protect our airways, but at the same time allow modelers to continue what we have been doing for years.

I am now age 93 and a retired physician, a Life Member of the AMA, Member of the SAM Hall of Fame and belong to the Model Engine Collectors Association. I would like to remain an active modeler as long a health permits.

Dr. George Shacklett

Monday, February 17, 2020

Sunday, February 16, 2020

Ciao Tom, I am attaching two links where you can see a simple Samchamps 2019 video and another that took place in Italy in December near the Etna volcano on the island called Sicily. Regards. Tiziano Bortolai