Anybody that has done the TP conversion to the original model could provide some more specific information on how it has been done ? I'm getting the short nose Marchetti but I would still like to do a TP version and would like to understand how difficult the modifications are.

How are you managing to get fresh air from the inside the fuselage ? The Tucano has some fresh air entrance in the bottom rear of the plane, buy I don't see it in this model. In Ian's picuteres I see a modification in the top part of the firewall. Is that for allowing fresh air to go in the fuselage ?