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Forum: Aerodynamics

10-16-2012, 01:28 PM

Replies: 21

ducted fan to propeller conversion

Views: 2,804

Posted By da Rock

RE: ducted fan to propeller conversion

If you decide to seal them, think about using solid foam insulation from a home improvement like Lowes or Home Depot. Then get ready to laugh at me for suggesting it. They sell it in 4'x8' sheets...

Forum: Aerodynamics

10-16-2012, 03:41 AM

Replies: 21

ducted fan to propeller conversion

Views: 2,804

Posted By da Rock

RE: ducted fan to propeller conversion

BTW, if there are two holes up front and you leave all holes open and as much now unneeded interior junk is removed, there really shouldn't be a deadly penalty from leaving all that open and test...

Forum: Aerodynamics

10-16-2012, 03:26 AM

Replies: 21

ducted fan to propeller conversion

Views: 2,804

Posted By da Rock

RE: ducted fan to propeller conversion

It was understood that wasn't the question, sorry the advice sounded like an answer. Having screwed around with an engine designed for DF rpms compelled me to throw in the advice. It's kewl the...

Forum: Aerodynamics

10-15-2012, 01:34 PM

Replies: 21

ducted fan to propeller conversion

Views: 2,804

Posted By da Rock

RE: ducted fan to propeller conversion

Needless to say, you're going to need a firewall to mount the engine on, and the usual one would close off the duct, but in your case you'd simply design one robust enough to suffice even with holes...

Forum: Aerodynamics

10-15-2012, 01:30 PM

Replies: 21

ducted fan to propeller conversion

Views: 2,804

Posted By da Rock

RE: ducted fan to propeller conversion

Where are you going to position the engine? It'll need cooling airflow. The original duct just might be an excellent way to get it.

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