Need source material on hybrid propulsion

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Unless you’re a member of CAR, there is no written exam for Level 1.

https://www.canadianrocketry.org/do...l_1-3_certification_program_v2.5_20170319.pdf


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Level 1 High Power Certification
- H Impulse (160.01 to 320.00 Newtons seconds impulse)

The modeler must demonstrate his ability to build and fly a rocket containing at least one H impulse class motor. Cluster or staged models used for certification may not contain over 320.00 Newton seconds total impulse. Only certified motors are permitted. The modeler must assemble the reloadable motor, if used, in the presence of a certification team member.

A written examination is required to demonstrate knowledge of the regulations and laws pertaining to high power rocketry in Canada. Questions concerning basic rocket technical knowledge, e.g. center of pressure and center of gravity relationships, will also be included.
  • - The questions will come from a 48 question pool.
  • - Twenty-five of the questions will be related to Transport Canada Regulations, the applicant must answer all the Transport Canada questions correctly (passing grade is 100%).
  • - The balance of the questions have a passing grade of 75%.
  • - The test may be taken only once in a 30 day period.
  • - The test must be completed prior to the flight attempt.
  • - Tests will be graded before a certification attempt.
  • - The written test will not have to be repeated if the flight attempt is completed within 1 year of taking the written test.
  • - Tests are available from Area Directors, Club presidents, or CAR/ACF representatives at a HPR launch.
Tests will typically be provided to an area director, then supplied to the individual when the test is requested. Area directors or CAR/ACF officers can request a supply of tests from the above address.

Certification at this level permits single or multiple motor rocket flights with motors having a maximum total impulse of 320.00 Newton seconds (H Implulse).


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Level 2 High Power Certification
- I Impulse (320.01 to 640.00 Newton seconds impulse)

The modeler must demonstrate his ability to build and fly a rocket containing one I impulse class motor. Cluster or staged models used for certification may not contain over 640.00 Newton seconds total impulse. Only certified motors are permitted. The modeler must assemble the reloadable or hybrid motor, if used, in the presence of a certification team member.

Certification at this level permits single or multiple motor rocket flights with motors having a maximum total impulse of 640.00 Newton seconds (I Impulse).

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Level 3 High Power Certification
- J - L Impulse (640.01 to 5120.00 Newton seconds impulse)

The modeler must demonstrate his ability to build and fly a rocket containing one J, K or L impulse class motor. Cluster or staged models used for certification may not contain over 5120.00 Newton seconds total impulse. Only certified motors are permitted. The modeler must assemble the reloadable or hybrid motor, if used, in the presence of a certification team member

Typically the modeler will certify at Level 3 using a single J class motor and work up in power with experience. Although not required by this document it is the recommended method.

Certification at this level permits single or multiple motor rocket flights with motors having a maximum total impulse of 5120.00 Newton seconds (J-LI Impulse).
 
THIS is the "Study Guide" for the CAR - Canadian Association of Rocketry Level 1 Study Guide for their Certification Test . . . PDF below :

ENJOY !

Dave F.
 

Attachments

  • Study guide and Annexes V1a_en.pdf
    632.7 KB · Views: 20
The "Book of the Dead" . . . Skyripper, West Coast Hybrids, Hypertek, Aerotech, Rattworks . . .etc, etc, etc.

I repeat my question . . . Who is currently manufacturing hybrid rocket motors ? (except, "possibly" Contrail )

Dave F.

From this site, I understand CTI is manufacturing and distributing hypertek equipment: https://hypertekhybrids.com/mainpage.html.
Last updated in 2002 though, so perhaps someone else can confirm.
 
A valid question, since their web page hasn't been updated since 2010, with most of the pages remaining untouched since 2008. At least the information is still up and accessible.

The instruction sheet on assembling the motors is nicely documented with simple instructions and good pictures.

There are 2 websites for Contrail, https://contrailrockets.com and contrailrockets.net , there is also facebook which some new R&D stuff was added. Both websites are valid the older website has the webstore which I believe still works.
 
The "Book of the Dead" . . . Skyripper, West Coast Hybrids, Hypertek, Aerotech, Rattworks . . .etc, etc, etc.

I repeat my question . . . Who is currently manufacturing hybrid rocket motors ? (except, "possibly" Contrail )

Dave F.

My understanding is Contrail, although I could open shop as a SkyRipper dealer if you saw my workshop. Fabulous hardware and overall system design!
 
Contrail is active and great to work with. Tom may be at NSL.

For NSL I'm planning on launching H Trojan, I aerotech hybrid, j skyripper, M contrail. May do a M rattworks.

Mike K
 
A valid question, since their web page hasn't been updated since 2010, with most of the pages remaining untouched since 2008. At least the information is still up and accessible.

The instruction sheet on assembling the motors is nicely documented with simple instructions and good pictures.
I’ve been purchasing and using Contrail 38, 54 & 75 mm motor hardware and reloads for the last few years. While the website doesn’t appear to have been updated for a while, everything I’ve wanted from their inventory, I’ve received.
 
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