http://www.martinjetpack.com/

 Now I think a 109 lb rotary would be perfect for this. Very impressive.

 Tony

 A great job of engineering but 10 GPH for a 200 HP 2 stroke
 is BS.  a 2 stroke is lucky to see a BSFC of
 .65 pounds of fuel per HP hour. That means 130 pounds
 of fuel per hour or 21 gallons an hour GPH.

 5 gallons of fuel would weigh 31 pounds giving an endurance
 of 15 minutes. Range at 63 MPH would therefore be 16 miles.

 The engine was probably an OMC or Mercury outboard motor.
 Although an air cooled version would make more sense.
 Flying out side in a cloud of dust would make it un
 flyable :)

 That will make it a good James Bond movie prop :)

 An ultralight helicopter makes more sense.

 Paul Lamar

I was on the crew that video taped the "debut" at AirVenture 2008.
You can see that at the EAA Video website.My thoughts?  I would hate
to land with the slightest forward momentum.  I hated stumbling and
falling under an 80lbs rucksack in the Army.  I can imagine what that
beast feels like coming down on top of the pilot - it would create a
far too personal definition of inertia.  Human legs are a terrible
landing gear.Kevin in Denver


Some of that can be taken care of with fly by wire using some RC
helicopter technology.  I think that until they can get the weight of
the machine down to 50lbs or less, backpack flying machines don't make
any sense.


Matt-