Getting way off thread topic here, but what the .....
Good engine idea...poor reliability
411A - what was the nature of their reliability problems. Understand the PRT's were one source - due lubrication, metallurgy, cooling or what? Understand that at the end, once operators had learnt how to care and feed them, they gave good service. Gave long service in the Neptune.
PS - Lockheed all the way. Fell in love at the tender age of about seven with these two very aircraft
http://adastron.com/lockheed/electra/vh-abh.htm
http://adastron.com/lockheed/electra/vh-asg.htm
The affair lasted for about ten years and was left some very enjoyable memories of trips and dinner company at home with the crew.