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Skill Level 4 – Slightly Challenging
Imagine owning a business jet with an extra kick of rock-
et power in its rear. That is what the LexxJet is all about.
It is luxury flying with extra speed and acceleration.
The DynaStar LexxJet is another cool-looking model
designed by that famous rocket inventor, Shrox. But
what will really get your kit noticed is that it doesn't have
the usual shape of a model rocket. It doesn't look like it
should fly straight, but it does!
This kit is slightly challenging to build. You will need to
cut the body tubes at an angle, and attach fins to the
curved section of a plastic boattail. Be sure to carefully
follow the instructions and you should not have any
problems. You'll end up with a great looking rocket that
all your friends will envy.
Page
1
LexxJet Parts List
P/N
Description
10091
Engine Mount Tube (AT-24/3.75)
10132
Airframe Tube (AT-33/2.25)
10166
Airframe Tube (AT-56/10)
13031
Centering Ring (CR18-24)
13035
Centering Ring (24-29)
15015
Die-Cut Ring Set CR24-41.6
13056
Launch Lug (1/4" X 3")
15549
Laser-cut balsa fin sheet A
15550
Laser-cut balsa fin sheet B
15551
Laser-cut balsa fin sheet C
19470
Plastic Nose Cone PNC-56A
24041
Regular Engine Hook
23011
Parachute Reinforcement Ring
29500
Parachute Shroud Line
29117
32" Plastic Parachute canopy
29506
300# Test Kevlar
29602
Clay Nose Weight (23 grams)
31090
LexxJet Instruction Sheet A
31091
LexxJet Instruction Sheet B
37031
LexxJet Pattern Sheet
41034
LexxJet Printed Decal Sheet
Other Tools and Materials Needed
Scissors
Hobby Knife
Pencil
Carpenter's Wood Glue (or White Glue)
CyA Adhesive (thick viscosity, such as gap-filling variety)
Razor Saw
Masking Tape
Sandpaper (200 and 400 grit) & Sanding Block
Aluminum "Angle" to draw lines on the tube
Ruler
Wood filler or sanding sealer to smooth balsa fins
Paint Brush
Spray Paint
24mm Spent Engine casing to insert engine block.
Long wood dowel to spread glue deep inside tubes.
3355 Fillmore Ridge Heights
Colorado Springs, CO 80907 USA
web site: www.DynaStar-Rockets.com
Kit #5037
21.3 ft
Shock Cord
®
Mid-Power
Model
Rockets
Sheet A - P/N 31090
Qty
3
2
1
1
2
1
1
1
1
1
2
1
8
1
8 ft
1
1
1
1
1
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Table of Contents
Summary of Contents for DynaStar Rockets LexxJet
- Page 1 Imagine owning a business jet with an extra kick of rock- Wood filler or sanding sealer to smooth balsa fins et power in its rear. That is what the LexxJet is all about. Paint Brush It is luxury flying with extra speed and acceleration.
- Page 2 LexxJet Rocket Assembly 1. Using 400 grit sandpaper, fine sand the balsa sheets before removing the fins. Care- fully remove all the pieces from the balsa sheet by freeing the edges with a sharp hobby knife. Save the scrap wood for step 4.
- Page 3 8. The inside edge of the small end of the tailcone may need to be sanded to allow the engine mount tube to slip through. To do this, wrap a rough-grit sandpaper around a wooden dowel or small rocket motor, and sand out the inside edge of the hole until the engine mount tube slips easily through it.
- Page 4 13. USE ONLY WOOD GLUE FOR THIS STEP! Glue the disk centering ring at the 1.0 inch (25.4mm) line on the engine tube. The large green ring is glued up against the disk ring. While the glue is still wet, pull the shock cord tight up against the green ring.
- Page 5 18. Locate the two remaining 24mm diam- eter tubes. Draw a single line down the length 0.75” (19mm) of each tube. Measure and mark a line 0.75 inch (19mm) from one end of the tubes. Cut out the Jet Exhaust tube cutting guide from page 11.
- Page 6 22. Temporarily loop the shock cord out Sand down aft ring to the back end of the motor mount to keep glue make the fit tighter. Align engine hook from getting on it. IMPORTANT: BE SURE TO with seam of plastic. TEST-FIT EVERYTHING BEFORE APPLY- ING GLUE.
- Page 7 26. Attach the ventral fin to the bottom of the rocket using “thick-viscosity” CA glue. Make sure the fin is straight along the tube. If the fin hangs over the edge, sand off the tip. 27. Mark the boattail 2.0 inches (50.8mm) from the rear end as shown.
- Page 8 30. Using the point of a hobby knife, open up the hole in the base of the nose cone so that you can easily insert a long wood dowel (1/4” diameter [6.3mm] will work fine). Roll all the clay into a long snake and insert into the nose cone.
- Page 9 Painting Instructions 37. After all the glue has completely dried, you may now paint your LexxJet model rocket. Roll a piece of paper and insert it into the aft end of the body tube so you can hold the model while painting it. For best results, paint the model with primer before using the un- dercoat paint color, which is white.
- Page 10 C. Insert the motor into the motor tube until the motor hook holds it in place. D. Insert and secure the engine igniter as directed on the package the engines came Parachute with. Countdown and Launch Procedure Recovery Wadding Fly your rocket on a large field that isn’t near any power lines, trees, or low flying aircraft.
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