Porterfield Collegiate CP65 - Sport scale model. Wingspan 47-1/2in, for .15 to .19 engines and 3 function radio control. RM Flight Training Course. From Radio Modeller, February/March 1985.
Quote: - "CONTINUATION OF THE RM FLIGHT TRAINING COURSE now involves the building and flying of the Porterfield Collegiate, a scale model of a high wing monoplane. Why a scale model? The majority of R/C modellers will, at some time during their modelling activities, want to build a scale or semi-scale R/C model. Indeed, one of the ever present problems is that newcomers to aeromodelling want to build a scale type as their first model - and it can take a lot of effort to dissuade them. But building a scale model, such as the Collegiate is not an end in itself. Constructing the model and learning to fly it will introduce you to some new building techniques, increase your building skills and improve your flying ability. It is a natural progression from the 'Trainer' and the 'Aerobat' to taking you towards becoming the 'complete aeromodeller' - if it is possible to reach that exalted status!
Scale models normally involve more complex airframe structures and the Collegiate is no exception. Being relatively small and utilitising an open structure ie not fully sheeted surfaces or GRP and veneered foam materials, there is a fair amount of intricate work to carry out. Precision is important in the cutting of the wood parts, the bending of the pianowire components and the assembly of the airframe components. Whereas you could get away with parts not fitting absolutely right with the Trainer and Aerobat, this one calls for a high degree of accuracy if you are to have a sound airframe and model with good flying qualities. For instance, there are quite a number of butt joints between longerons, uprights and crosspieces on the fuselage and if we are to end up with a structurally sound fuselage these joints must be well prepared. Gaps between the mating surfaces will inevitably lead to weakness - even when adhesives with gap filling qualities are used.
You may find some of the areas of construction rather 'fiddly' and they may try your patience more than somewhat. This is all part of the excercise of improving you basic modelling skills. When it comes to fitting the radio equipment you will again find that it is not 100% straightforward; the installation must be fully planned (although details are included on the drawings) as there is little spare space available in the narrow Collegiate fuselage. Part of the general Training Scheme the model may be, but it is also an attractive and pleasant to fly model in its own right and well worth the effort of building. For the naturally interested builder the construction and finishing of the Collegiate will be a rewarding experience..."
Scan from DBHL, cleanup by theshadow.
Direct submission to Outerzone.
Update 01/01/2018: added article, thanks to RFJ.
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