[NRVR-Members] Motors and Certifying

[Adrien Drouault]

Kevin

Thanks for the offer.  I'd love to check the DX3 out tomorrow.


On Fri, Apr 27, 2018, 15:14 Kevin Paar <kevinpaar at me.com> wrote:

> Adrien,
>
> - Correct, you're limited to one L1 motor for the attempt. Other club
> members can help you out with the process, it's not as daunting as it
> seems. You should take advantage of the club group orders. Mail-ordering
> single motors by yourself is insanely expensive due to the HazMat fees.
> On-site vendors are great as well, IF they have the motor you want (more
> likely if you pre-order with them).
>
> - As far as I know you don't need a formal mentor before L3. I didn't.
>
> - This mailing list is good for the questions. It's likely you're not the
> only one wondering.
>
> - The Madcow Super DX3 is similar to the Torrent. I can personally vouch
> for it, having done L1/L2 with it. Several others in the club have also
> built one. You can order from direct from Madcow and option it out as
> desired. e.g. I found the 36" chute to be inadequate, especially for the L2
> weight. I'll have mine at the launch on Sat if you want to take a look at
> it.
>
> -- Kevin Paar
>
> Adrien Drouault <adrien.drouault at gmail.com>
> April 27, 2018 at 1:07 PM
> Hi all.  Some questions ...
>
> Will we have a vendor on-site for the summer two-day launch?  Or, do we
> plan another group buy before then?
>
> As I understand it, I can buy exactly one "H" or "I" motor before
> achieving my L1, if it's intended to be used for the cert attempt; is that
> correct?
>
> Beyond that, what's the actual process?  I know there's a written test for
> L2, but do I need to officially sign someone up to be my mentor, or do any
> other legwork before L1?  (I have, and have read, *Modern HP Rocketry 2*,
> as well as the new *Make: High Power Rockets* books, but I still always
> have dumb questions when it comes to procedures...)
>
> I'm currently leaning towards the Madcow Torrent; I don't love that it's
> exclusive to Apogee, but I like that it's "all-in-one" and capable of
> handling L2 motors and dual deploy as well.
>
> My general thinking:
>
>    - Bigger (diameter) is better; more room to work in the fuselage
>    - Also, heavier, with the same motor, slower and lower; less chance of
>    shred or loss to wind
>    - Don't mess with dual deploy on the cert flight (less to go wrong)
>
> Thanks; I appreciate the thoughts and guidance
> Adrien
>
> Looking forward to tomorrow; see you all there ...
> :-)
>
> --
> *Quid quid latine dictum sit altum viditar.*
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