[Aus-soaring] Runway surfaces Re: Winch vers. Aerotow

[Peter Stephenson]

Roger Druce wrote: We also have here a K13 and Zephyrus with nose skids.  They have to launch beside the take-off strip and move onto it late in the ground roll after elevator authority is gained.  At this point this seems to work OK.  If we did not do that we would, in my view, see significant damage.  The first time you establish a bitumen seal it looks solid but really there is not all that much there! You need to have a good thick base under the bitumen and use hot-mix bitumen or otherwise you are wasting your money and causing prop damage waiting to happen and that screwing into the surface from the wheel. Concrete, Hot mix,  or nothing but grass in that order. PeterS Regards Roger Druce

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