Eh, Powertune indeed, not Powerboost. Forgot to mention that several ratio's are available. Kees Oudesluijs NL Oudesluys schreef: > The Powerboost is a common replacement servo in Europe. However prices > are much lower overhere, about GBP80 (US$120) on ebay.co.uk. > Kees Oudesluijs > NL