Originally Posted by
hargreaves99
Because every 12 years or 2,200 hours (whichever comes first) you have to rebuild your R22/R44, using a very very expensive rebuild kit. Unlike the Cabri, where you just replace bits as they wear out.
That's all well and good, but then why are the US schools charging $250/hr for R22 rental, $450/hr for an R44,
and $450/hr for a G2?