4" Diameter Rocket Kits

*Please note* Due to the pandemic, we are currently out of stock of some of our fin sets needed to make our kits. The premium aircraft plywood we use is imported from Finland and we are waiting for it to arrive, with currently no ETA available. Please inquire to see if we have stock before placing your order.

terrordactyl2
Terrordactyl

DIAMETER : 4 inches
LENGTH : 71.5 inches
MOTOR MOUNT : 54MM
RECOVERY : Recovery harness
GUIDANCE: Rail buttons, 1/4" premium aircraft plywood fins(12 plies!)
DECALS: Premium computer cut vinyl (5 year outdoor rated)
MOTOR RETENTION: Binder Design EZ Retainer
WEIGHT: 1602 grams
   with Dual Deploy: 2085 grams

The newest addition to our lineup, the Terrordactyl features styling of prehistoric proportion! Inspired by artwork from HR Geiger and brought to life by CNC, this kit is sure to be the star at your next launch. Includes CNC slotted airframe, modular fin can construction, our EZ motor retainer and vinyl decals to finish as shown. $179.99


tyrannosaur
Tyrannosaur

DIAMETER : 4 inches
LENGTH : 85 inches
MOTOR MOUNT : 54MM
RECOVERY : Recovery harness
GUIDANCE: Rail buttons, 1/4" premium aircraft plywood (12 plies!)
DECALS: Premium computer cut vinyl (5 year outdoor rated)
MOTOR RETENTION: Binder Design EZ Retainer
WEIGHT: 1786 grams
   with Dual Deploy: 2269 grams

An exciting new kit, the Tyrannosaur is one mean rocket! The perfect addition to our lineup, the Tyrannosaur is destined to compete with our popular Velociraptor kit. The Tyrannosaur replaces our aging Samurai kit and features a preslotted airframe and our modular fin can construction. $169.99


lightningbolt
Lightning Bolt

DIAMETER : 4 inches
LENGTH : 85 inches
MOTOR MOUNT : 54MM
RECOVERY : Recovery harness
GUIDANCE: Rail buttons, 1/4" premium aircraft plywood (12 plies!)
DECALS: Premium computer cut vinyl (5 year outdoor rated)
MOTOR RETENTION: Binder Design EZ Retainer
WEIGHT: 1748 grams
   with Dual Deploy: 2230 grams

The Lightning Bolt features classic styling and timeless lines, this kit is sure to get attention at your next launch. This kit replaces our Sentinel rocket and includes a preslotted airframe and our modular fin can construction. $159.99


Excel4
Excel

DIAMETER : 4 inches
LENGTH : 50 inches
MOTOR MOUNT : 38MM or 54MM
RECOVERY : Recovery harness
GUIDANCE: Rail buttons, 1/4" premium aircraft plywood (12 plies!)
DECALS: Premium computer cut vinyl (5 year outdoor rated)
MOTOR RETENTION: Binder Design EZ Retainer
WEIGHT:
   38mm: 1023 grams
   54mm: 1006 grams

The Excel is perfect for level 1 certifications! Pre-slotted airframe makes for an easy build along with all new fin-can instructions. Kit contains 3/16" aircraft grade plywood fins, and plywood centering rings. Now comes with motor retention and new decal package! H through K motors recommended.

Now with longer motor mount and additional centering ring provided!

$99.99

Excel1
Excel with Dual Deploy kit

DIAMETER : 4 inches
LENGTH : 71 inches
MOTOR MOUNT : 38MM or 54MM
RECOVERY : Recovery harness
GUIDANCE: Rail buttons, 1/4" premium aircraft plywood (12 plies!)
DECALS: Premium computer cut vinyl (5 year outdoor rated)
MOTOR RETENTION: Binder Design EZ Retainer
WEIGHT:
   38mm: 1662 grams
   54mm: 1646 grams

We've added the optional dual deploy kit to this popular classic. The dual deploy Excel is perfect for Level 2 certifications and features our popular avionics bay kit and extra recovery components to fly dual deploy. Pre-slotted airframe makes for an easy build along with all new fin-can instructions. Kit contains 3/16" aircraft grade plywood fins, plywood centering rings and bulkhead. Now comes with motor retention! H through K motors recommended. $149.99


bat
Bat

DIAMETER : 4 inches
LENGTH : 41 inches
MOTOR MOUNT : 38MM or 54MM
RECOVERY : Recovery harness
GUIDANCE: Rail buttons, 1/4" premium aircraft plywood (12 plies!)
DECALS: Premium computer cut vinyl (5 year outdoor rated)
MOTOR RETENTION: Binder Design EZ Retainer
WEIGHT:
   38mm: 1022 grams
   54mm: 1011 grams

The Bat is a very stable flying model and is a great small field performer! The Bat was designed for the beginner or sport flyer in High Power Rocketry, and is a super rocket for Tripoli and NAR certification flights. Kit includes CNC cut aircraft grade plywood fins, plastic (Ogive style) nose cone, Computer cut vinyl decals so you can build as illustrated. Easy to follow instructions, fin alignment guide. G through I motors recommended. (approx. empty weight 2lb. 4oz.)

$99.99

batDD
Bat with Dual Deploy

DIAMETER : 4 inches
LENGTH : 62 inches
MOTOR MOUNT : 38MM or 54MM
RECOVERY : Recovery harness
GUIDANCE: Rail buttons, 1/4" premium aircraft plywood (12 plies!)
DECALS: Premium computer cut vinyl (5 year outdoor rated)
MOTOR RETENTION: Binder Design EZ Retainer
WEIGHT:
   38mm: 1662 grams
   54mm: 1651 grams

We've added the optional dual deploy kit to this popular classic. The dual deploy Bat is perfect for Level 2 certifications and features our popular avionics bay kit and extra recovery components to fly dual deploy. Pre-slotted airframe makes for an easy build along with all new fin-can instructions. Kit contains 1/4" aircraft grade plywood fins, plywood centering rings and bulkhead. Now comes with motor retention! H through K motors recommended.

$149.99

galaxy
Galaxy

DIAMETER : 4 inches
LENGTH : 71 inches
MOTOR MOUNT : 54mm
RECOVERY : Swivel, recovery harness
GUIDANCE: Binder Design Delrin rail buttons, 1/4" Aircraft Birch Plywood Fins (12 ply!)
MOTOR RETENTION: Binder Design Motor Collar with Aluminum Nozzle Assembly
WEIGHT: 1639 grams
   with Dual Deploy: 2122 grams

With its "retro" vinyl decal, brushed aluminum nozzle assembly, and nostalgic fin styling, the Galaxy is one classy bird! One of our most complex kits in current production, the Galaxy is a true modelers kit but our detailed 11 page instruction manual makes the construction easy to understand. This kit is a great Level 2 bird that gives very memorable flights on easy access J350 or J570 motors, or fly it on a K550 and watch it scream!

$199.99

calkid
California Kid

DIAMETER : 4 inches
LENGTH : 68 inches
MOTOR MOUNT : 54mm
RECOVERY : Swivel, recovery harness
GUIDANCE: Binder Design Delrin rail buttons, 1/4" Aircraft Birch Plywood Fins (12 ply!)
MOTOR RETENTION: Binder Design Motor Collar with Aluminum Nozzle Assembly
WEIGHT: 1373 grams
   with Dual Deploy: 1856 grams

Designed to pay tribute to the early High Power movement, the California Kid is a 4" dia. high power rocket with a nostalgic "retro" look. With its "retro" vinyl decals, brushed aluminum nozzle assembly, and nostalgic fin styling, the California Kid is one classy bird!

Designed for 54mm motors, but light enough to fly on 38mm motors with optional adapter.

This kit is a great Level 2 bird that gives very memorable flights on easy access J350 or J570 motors, or fly it on a K550 and watch it tear a hole in the sky!

$189.99

velo5
Velociraptor

DIAMETER : 4 inches
LENGTH : 85 inches
MOTOR MOUNT : 54mm
RECOVERY : Swivel, recovery harness
DEPLOYMENT: Binder Design Modular Baffle System with Zipperless Design!
WEIGHT: 1903 grams
   with Dual Deploy: 2386 grams

With its extensive vinyl decal package, sleek boat-tail, "talon" fins and aggressive styling, the Velociraptor one mean looking bird! Our most complex kit in current production, the Velociraptor is a true modelers kit but our detailed 11 page instruction manual makes the construction easy to understand. Instructions include optional detailing tips for the upper "talon" fins as well as Rocksim stability data courtesy of Apogee Components. Includes our new modular baffle system that converts any of our 4" rockets to a "zipperless" design, and includes delrin rail buttons for stable launches.

Designed for 54mm motors, but light enough to fly on 38mm motors with optional adapter.

Comes with 1/4" aircraft plywood fins, 18 feet of recovery harness, and swivel. A machined aluminum motor retainer is included!

This kit is a great Level 2 bird that gives very memorable flights on easy access J350 or J570 motors, or fly it on a K550 and watch it scream!

$239.99

jackhammer
Jackhammer 38mm

DIAMETER : 4 inches
LENGTH : 33 inches
MOTOR MOUNT : 38mm
RECOVERY : Recovery harness
FINS : 1/4" Aircraft Birch Plywood
GUIDANCE: Binder Design Delrin rail buttons
RECOMMENDED MOTORS: H through J
WEIGHT: 1024 grams
   with Dual Deploy: 1664 grams

Inspired by a popular video game series, this is our rendition of a shoulder launched missile of the future. This stout kit features unique military styling and decals, with a simulated armor piercing nosecone design. This sport kit was designed with short duration high thrust motors in mind but it can be flown on most 38mm motors. Tough and stout, this rocket is great for L1 certifications and is even tough enough for a J motor if you dare.
Instructions include Rocksim stability data courtesy of Apogee Components. This kit also features a Binder Design exclusive.....Modular fin can assembly instructions!
This kit includes pre-slotted airframe for an easier build, and comes with a fin alignment guide!

$99.99

dragonfly4
Dragonfly

DIAMETER : 4 inches
LENGTH : 34 inches
MOTOR MOUNT : 38mm
RECOVERY : Recovery harness
FINS : 1/4" Aircraft Birch Plywood
GUIDANCE: Binder Design Delrin rail buttons
RECOMMENDED MOTORS: H through J
WEIGHT: 855 grams
   with Dual Deploy: 1495 grams

An upscale of our most popular mid-power rocket, this Dragonfly is ready for high power. Unique X-Wing design with large span elliptical fins gives stable flights and eye-catching looks. Can be flown on most 38mm motors and is great for L1 certifications.
Instructions include Rocksim stability data courtesy of Apogee Components.
This kit includes pre-slotted airframe for an easier build, and comes with a fin alignment guide!

$79.99

Devastator
Devastator

DIAMETER : 4 inches
LENGTH : 61 inches
MOTOR MOUNT : 54MM
RECOVERY : Recovery harness
GUIDANCE: Rail buttons, 1/4" premium aircraft plywood fins(12 plies!)
DECALS: Premium computer cut vinyl (5 year outdoor rated)
MOTOR RETENTION: Binder Design Motor Collar
WEIGHT: 1826 grams
   with Dual Deploy: 2309 grams

A military design by Bret Simpkins, the Devastator is one mean looking bird! One of our most complex kits in current production, the Devastator is a true modelers kit but our detailed 11 page instruction manual makes the construction easy to understand. Instructions include Rocksim stability data courtesy of Apogee Components. Includes an extensive vinyl decal package and delrin rail buttons for stable launches.

$209.99


Devastator2
Devastator with Retro Decal PackageNow available with 60's era Air Force decals for those who like the vintage "retro" look. Add the aluminum nozzle shroud as pictured above for only $10 more! $219.99

Click here to download kit weights and free fin alignment guide.