Well, helicopter flying is as close to sex as you get with clothes on, and I gather that the $175 an hour is the right rate for a woman !
Seriously, in the case of the R22, there's the purchase price, insurance and all the other fixed costs PLUS you need to save up about $65,000 to send the aircraft back after 220 hours for a rebuild. Over 2200 hours this alone is $30 an hour.
In the UK, rates I've hear - COST - for an R22 are in the order of £110 an hour which works out at $175 as a straight conversion.