Semroc Flying Model Rocket Kit Iris™  SEM-KD-4

Semroc Flying Model Rocket Kit Iris™ SEM-KD-4

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Skill Level:
1 Beginner
Motor Mount Size:

Semroc Flying Model Rocket Kit Iris™ KD-4

Skill Level 1

1/10 Semi-Scale

Laser-Cut Balsa Fins


Balsa Nose Cone

Water Slide Decals

Parachute Recovery

Body Diameter 1.17" (3.0cm)  

Length 23.8" (60.4cm)  

Fin Span 4.7" (11.9cm)  

Net Weight 1.3oz (36.9g)

Made in the USA

Engine Approx. Altitude

A8-3   200’

B6-4   450’

C6-5   950’



Model Rocket Kits are rated by Skill Level

1 Beginner

2 Intermediate

3 Advanced

4 Expert

5 Master

If you are just starting in the hobby start at the beginner level and move up from there at your own pace.

What is needed to build and fly

All model rockets come in kit form that require assembly.  The materials are primarily cardboard tubes, balsa or plastic fins and nose cone.  Materials will vary by model and are typically specified in the description of each kit. 

Additional supplies will be necessary to build and finish your model rocket kit and may include:

Scissors, Hobby Knife


Wood Glue, Model Cement or CA(Super Glue)


Masking Tape

Finishing Supplies like:

Wood Filler



Launching Equipment and Supplies like:

Recovery wadding

Launch Pad

Launch Controller

Power supply

Model Rocket Motors and Igniters

A safe place to fly using guidelines from the National Association of Rocketry Safety Code

Warranty for 1 year from manufacturer defects
  • 4
    IRIS Scale model rocket will thrill

    Posted by Kirk Groeneveld on 1st Dec 2013

    A straight-forward build, this single stage skill level 2 rocket includes features for the scale model rocketeer who wants a historical rocket for their shelf. But with the B-level engines, this can be a high flying performer for you. Some have skipped some of the scale details in favor of the streamlined look, but what's the fun in that? A good rocket, you could do worse. Enjoy!