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Here is a “Rahm” winch that I mounted on an aluminum frame with wheels so I can move it around easily. This has a ford long shaft starter motor that has been beefed up with four brushes and four field…

Because there are no fuselage fairings for linkage, the servo linkage needs to be all internal. The linkage is very simple. Here the rudder post is cut away for clearance and guides are installed to receive the plywood servo tray.…

The “RDS” kit includes this. The kit is compatible with Airtronics, Futaba, Hi-tec, and Multiplex servos. The following vendor sells the product. This is a drawing included in the package. The installation is rather easy. I would recommend reading the…

The rudder servo, a Multiplex “Micro mc V2”, is held in place with a simple plywood box. Use slow cure epoxy for this type of installation. The servo is mounted upside down so it clears the rear wheel and the…

I wanted to comment on Paul Kopp’s excellent article regarding the CG on tugs, and especially the Pegasus, (with which I have some experience). Not knowing what the best way to do this, I chose this forum to hopefully access…

Common questions related to setting-up large-scale gliders, are what batteries to use, the benefits of five-cell packs, and whether to use a redundant system. In this article, we’ll look at various battery set-ups, and the pros and cons of each.…

Before I sound to nuts, just understand all the stuff I show you on this building loge is meant to express ideas and not to make the building of your 28 an exact science, this is meant to aid and…

The ISSA tech columns are intended to answer questions for new entrants into scale gliders, with a focus on sailplanes in the three-meter to six/seven meter range. For each set-up question, there are usually a multitude of different methods, and…