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Mark Gryn's Page

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2016-05-23

Snack Attack

Flight

First flight.  used 0.6g of powder for both charges with backup motor ejection.  Apogee popped drogue chute but nose didn't pop for main.  Came down on drogue with no damage, approx 100m from pad.  Nose likely didn't pop because of uncovered fastener hole in nose bulkhead which ... [More]

   

2016-03-19

Eliminator XL

Flight

Good flight, great engine.   - Aerotech 24/40 D9-7W - JMRC - MIS [More]

   

Top Shot

Flight

Good flight.  Long recovery walk for Joshua as it was a bit windy.  One fin popped off on landing, now glued back on with epoxy. - Aerotech 24/40 D9-7W - JMRC - MIS [More]

   

Swifty XXL

Flight

First flight.  Clean launch and recovery. - Aerotech 29/40-120 F52-5 - JMRC - MIS [More]

   

S'More Delight

Flight

Good launch.  Parachute tangled on deployment and did not fully deploy.  Recovery harness needs to be replaced as it is an unraveled mess and two shrouds were pulled off of chute (original PS II chute that came with rocket).  No damage. - Aerotech 29/40-120 F22-5J - JMRC - MIS [More]

   

2015-08-22

Estes Blue Crayon

Flight

Long drift - 150m from pad - C6-5 - St Annes [More]

   

Estes Blue Crayon

Flight

Great launch, landed 15m from pad - B6-4 - St Annes [More]

   

Silver Arrow

Flight

Recovered 50m from launchpad - A8-3 - St Annes [More]

   

Mini Max

Flight

Great looking flight, but top of tube slightly crushed on landing, will fly again - A10-3T - St Annes [More]

   

Yellow 2-Stage Loadstar II

Flight

Loaded motors in wrong order, flew straight into ground and destroyed nose cone, sheared fins and motor mount. Body tube okay. Lego passenger survived. - B6-0,B6-4 - St Annes [More]

   

Mark Gryn


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