Medalist Composite Propellant Model Rocket Motors

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Medalist Composite Propellant Rocket Motors: Highest Flights For Small Models

F10 and E6 motors.

The Apogee Medalist line of rocket motors feature ultra- high-energy composite propellant and are designed for a special application: extremely long burn times for achieving ultra-high altitudes. They are intended for use in low-mass, extreme-altitude rockets. For a picture of the thrust curves of these long-burn motors, click here. All are produced in "standard" motor diameters for easy use in your existing rockets. Includes an igniter and instructions for use.

Want to see how a composite engine works? (click here)

Need to convert your kit to fit a smaller diameter motor?
Check out all of the Apogee Motor Mount Kits!

Please be aware that typical shipping transit times for motors are 1-2 weeks.

Apogee Medalist Composite Propellant Rocket Motors
Type	P/N	Price Each	Place Order Now	Burn Time	Total Impulse	Length (mm)	Dia. (mm)	Max Lift-off Weight (g)*	Max Thrust (N)	Initial Mass (g)	Propellant Mass (g)
D10-3	03190	$15.21		1.9 s	20 N-s	70	18	450	17.7	25.8	9.8
D10-5	03191	$15.21		1.9 s	20 N-s	70	18	300	17.7	25.8	9.8
D10-7	03192	$15.21		1.9 s	20 N-s	70	18	300	17.7	25.8	9.8
E6-P	03153	$17.28		7.2 s	40 N-s	77	24	175	15.4	41	22
E6-4	03154	$17.28		7.2 s	40 N-s	77	24	175	15.4	41	22
E6-6	03155	$17.28		7.2 s	40 N-s	77	24	150	15.4	41	22
E6-8	03156	$17.28		7.2 s	40 N-s	77	24	150	15.4	41	22
F10-4	03157	$24.00		7.8 s	80 N-s	85.7	29	238	20.0	71	40.7
F10-6	03158	$24.00		7.8 s	80 N-s	85.7	29	205	20.0	71	40.7
F10-8	03159	$24.00		7.8 s	80 N-s	85.7	29	170	20.0	71	40.7
Sorry... We do not ship rocket engines outside of the USA.

Size Comparison

How do the sizes of these motors compare to the Estes D12? That is a common question.

As you can see from the picture to the left, the sizes are as follows:

Apogee E6: This motor is the same diameter as the D12 -- both are 24mm diameter. But it is a little longer (3.0 inches versus 2.75 inches for the Estes D12). Will these work in kits with D12 motor mounts? YES! Most times, you can just let them hang out the back of the motor mount. Just wrap masking tape over the tube/motor joint, so that they won't slide rearward when the ejection charge ignites. Yes, this trick really does work!

Note: The E6 has lower thrust than the D12, so it should only be used in lightweight rockets with low drag. Use the RockSim software to determine if it is a good combination for your particular kit.

Apogee F10: This motors is larger in diameter than the Estes D12 motor. So it won't fit into kits that have D12 motor mounts. If you want to fly them in those kits, you'll need to change the engine mount tube so that it accepts 29mm diameter motors. You can find 29mm engine mount tubes at: www.ApogeeRockets.com/body_tubes.asp. You want the tube with Part Number 10110.

If you need help designing and building engine mounts, see our e-zine newsletter #104.

See a F10 motor during a static test firing. You'll love how long this motor burns! Click Here. (1.3Meg)

Do you need help installing the igniter into the motor? Here is a 2 minute video that shows the steps you'll need to know.
Click Here. (1.4Meg)

(click on the image below to see an animation of a Composite motor)

Frequently Asked Questions:

Q. Why don't you ship rocket motors to countries outside the USA?

A. There are too many shipping regulations. We're a small company, and we don't have the manpower to track the regulations for each country in the world. So to keep our prices as low as possible, we only ship to USA customers.

Q. Can you ship motors to me by this weekend?

A. All rocket motors must be shipped by surface transportation (truck). While we ship the motors usually the same day the order comes in, you should plan extra time for the postal service to deliver them via third class mail (Parcel Post).

Q. Where are the other Apogee Medalist motors like the D3, D10, C4, C10, C6, and B7?

A. We'll add them back as soon as we can get Aerotech producing them again. It may take some time yet. If you want to be notified when they become available, please subscribe to the Apogee Peak-of-Flight e-zine newsletter. It's FREE.

Q. How is maximum lift-off weight determined?

A. The maximum recommended lift-off weight for each delay depends on the size of the rocket, its drag coefficient, launch angle, and the wind conditions at launch. We recommend running a RockSim computer simulation for each rocket design and launch conditions to select the proper motor delay. For help selecting the correct delay time, see Apogee Technical Publication #28.

Q. What is Recovery Wadding, and why do I need it?

A. Click Here for more information about Recovery Wadding. Note: These Apogee Medalist motors do NOT come with recovery wadding. Be sure to order some when purchasing the Apogee Medalist motors.

Q. Will the Aerotech First Fire Jr.™ igniters work in the Apogee Medalist motors?

A. NO. They are too big to fit into the nozzle hole. They are better for bigger size motors. Click Here for more information.

Additional Information About Rocket Motors

Below are some links to articles that are here on the Apogee web site that contain information about selecting and using rocket motors. Just because there is a lot of information to absorb, don't feel overwhelmed. Just give us a call at: (719) 535-9335, or send us an email by clicking on the "email us" button on the navigation bar to the left.

What to expect when you launch your model rocket. Click Here.
How do black powder propellant rocket motors work? Click Here.
Where to purchase black powder motors? Click Here.
What exactly is "composite propellant?" How does it differ from black powder?
Click Here.
How do "Composite" propellant rocket motors work? Click Here.
What kind of igniters do you use for composite propellant motors? Click Here.
Learn how Black Powder "Multi-stage" rocket motors work. Click Here.
Why aren't there any "composite propellant" booster stage motors? Click Here.
How do you stage "Composite Propellant" rocket engines? See Newsletter #91
What is the Hibachi effect in a composite motor? Click Here.
How do you choose the right rocket motor for your rocket? Click Here.
How do you determine the Maximum Lift-Off Weight for a rocket motor? Click Here.
How does a piston launcher increase the performance of a rocket motor? Click Here.
Learn the theory and the laws-of-physics behind rocket propulsion. Click Here.

Actual Customer Comment:

"I'm writing to tell you how thrilled I am with the performance of your F10 motor line. My friends at our Tripoli launch said, 'It's STILL going up!' They all asked about the engine, its manufacturer and burn time. They were impressed with an engine that burns for 7.8 seconds! I didn't get an official altitude, but it was easily a mile. Thanks again. -- Moira Whitlock

PUT US TO THE TEST! See why we've been around so long.

Apogee Components, Inc.
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If you are not happy with the product you receive from Apogee Components, return it to us for a replacement, full refund, or merchandise credit -- Your Choice! If you have any other questions, please call us at 719-535-9335 or contact us by email us. Our goal is that you are 100% delighted with your order.

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This page last updated on: 03/18/08

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