- Published: Sunday, 18 September 2016 19:01
- Written by PhilF51
- Hits: 4261
My 5 year old Super Chipmunk "Pennzoil" from Apache Aviation now supplied by SLEC had always had an ASP180FS up front. Beautiful sound but I now feel that the model really needed something more substantial power wise. The ASP180 should be producing around 2.6 hp when tweaked and tuned and I have to say I have tried many props on this motor and never felt really happy. Plus the fact that the glow fuel residue inside the cowl would slowly weep out and eat the "so called" fuel proof paint on the cowl. But what could I replace it with. DLE30 or DLE35RA or OS GT33? After much deliberation I went for the OS GT33. Coing close to four horse power from this tidy gas engine. However, the conversion to petrol was not as simple as imagined!