PISTON STAGER
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 PISTON STAGER is a U.S. Rockets exclusive design with a piston boosted upper stage. The concept of a piston launcher is to conserve the gases expelled shortly after motor ignition, prior to rocket movement and convert them to mechanical movement. The result is a 300% increase in velocity versus an 'unboosted' rocket. Taken one big step further, the piston system is incorporated into the lower stage of the rocket resulting in amazingly fast upper stage flights and dramatic in flight staging action! Try F80-4 or 3 E25-4 to D12-7. The large size and moderate power capability allow PISTON STAGER to be flown in athletic size fields with F80-4 to D12-7 or G60-4 to E12-8 motors. PISTON STAGER a superior flyer on even fairly low power motors! | |
| SPECIFICATIONS |
| Skill |
4 |
| Motors |
54mm/29mm/3x24mm 24mm |
| Recovery |
16" Parachute Streamer |
| Diameter |
2.25" |
| Length |
74" |
| Weight |
400g |
| Drag (CD) |
0.65/0.45 |
| CP(") |
57.7/20.84 |
| SKU# |
1014 |
| Price |
$57.95 |
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PISTON STAGER has been successfully tested with as high of power as H90-8 and as high thrust as H120-4.
Its very strong and lightweight construction makes it fly surprisingly high compared to other rocket kit brands. Test it for yourself! Best flights are with black powder upper motors when flying with F or below on the booster. | |
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| All U.S. Rockets Large Sport Series kits feature pre-cut wood fins, heavy duty airframe tubes, strong elastic shock cord, illustrated assembly and flight instructions, decal and all the high quality parts needed to successfully assemble and fly a high performance model rocket. Launcher, motors, glue, sandpaper, sealer and paint not included. | |
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Piston Stager parts photo.

Fins sanded for Bruce Sexton's U.S. Rockets Piston Stager

Fins attached to Bruce Sexton's U.S. Rockets Piston Stager
using a third party fin alignment guide.

Piston Stager upper stage complete.

Both bottom sections of the
U.S. Rockets Piston Stager are shown.

The upper coupler is assembled.

The main coupler is modified to accept a Perfectflite timer.

The main coupler is modified to accept a Perfectflite timer.

The main coupler is modified to accept a Perfectflite timer.

The main coupler is modified with upgraded hardware.

Piston Stager has "Interghange Mounts"-tm.

The "Integrated Tube"-tm style reducer is marked, taped, and cut.

The "Integrated Tube"-tm style reducer is completely cut.

The "Integrated Tube"-tm style reducer is internally strong.

Measure and fit twice, glue once.

The "Integrated Tube"-tm style reducer makes a
clean, light, and strong reducer.

Piston Stager assembled and naked.
$57.95
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