Duct propeller use

王明坤

unread,

Mar 4, 2026, 9:28:19 AM (4 days ago) Mar 4

to OpenVSP

Hello everyone,i use OpenVSP 3.47.0 to simulate duct propeller.I use these settings below,but the thrust of the duct is nearly zero.I am comfusing,please help me.

Brandon Litherland

unread,

Mar 4, 2026, 9:48:56 AM (4 days ago) Mar 4

to OpenVSP

Please share your model so we can see what's going on.

王明坤

unread,

Mar 4, 2026, 9:08:14 PM (3 days ago) Mar 4

to OpenVSP

This one,thank you!

correctductpropeller.vsp3

王明坤

unread,

Mar 4, 2026, 9:08:25 PM (3 days ago) Mar 4

to OpenVSP

在2026年3月4日星期三 UTC+8 22:48:56<Brandon Litherland> 写道：

correctductpropeller.vsp3

Rob McDonald

unread,

Mar 4, 2026, 9:25:06 PM (3 days ago) Mar 4

to OpenVSP

Thrust and CT distributions are only calculated on propeller blades.

For the duct itself, you should look at the CD or CX coefficients.

Rob

王明坤

unread,

Mar 5, 2026, 12:20:44 AM (3 days ago) Mar 5

to OpenVSP

OK,thank you!

Reply all

Reply to author

Forward