Sunday, June 3, 2012

ROTATING ENGINE







                                    My concept










                                       Variant with 3 rollers at piston


Posted by Velko Velkov at 2:25 AM 0 comments
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Sunday, April 22, 2012

                              


                                                     
                               



                                             

                 
Posted by Velko Velkov at 3:59 AM 0 comments

Friday, January 20, 2012

Hybrid turbojet-turboshaft engine for VTOL AIRCRAFT













                                                                                




Variant of VTOL VERTOPLANE

with standard engines



Posted by Velko Velkov at 6:10 AM 0 comments
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Friday, December 16, 2011

Ornithoid with passive articulated adaptive wing 2


















              Engine powered ORNITHOID

















               Human powered ORNITHOID
Posted by Velko Velkov at 3:56 AM 0 comments

Tuesday, December 13, 2011

Ornithopter mechanism - 2005

Posted by Velko Velkov at 10:40 PM 2 comments

Saturday, November 26, 2011

Caseless ammunition and gun Velkov

caseless ammunition

caseless gun























Posted by Velko Velkov at 8:53 AM 0 comments
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Monday, November 21, 2011

Ornithoid with passive articulated adaptive wing







Posted by Velko Velkov at 6:30 AM 0 comments