Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options questions only not deleted user 3819

Use with questions asking for sources of information for specific problems relating to drones or model aircraft.

5 votes
1 answer
154 views

Contra-rotating coaxial shrouded fans: design guidelines

I want to design and make my own Dronut-like drone. The size will be limited by my LCD printer. My goals are: quiet. 2) safe. 3) duration. I'd like to use a pair of HBR turbofan style fans to extrac …
Buk's user avatar
  • 51