[LUNAR Announce:] [LUNAR general:] Flying Saturday 01/13/18

Thu Jan 11 17:26:16 PST 2018

Thanks Tony see you then.

Charlie Wittman, RG, CEG
KI6PQQ
LUNAR #1405, http://www.lunar.org<http://www.lunar.org/>
Aero-Pac # 699 http://www.aeropac.org<http://www.aeropac.org/>
NAR [L3] #85655, http://www.nar.org<http://www.nar.org/>
Tripoli [L3} #11202 www.tripoli.org<http://www.tripoli.org/>

________________________________
From: amcooper63 at gmail.com <amcooper63 at gmail.com> on behalf of Anthony Cooper <Tony at coopers.org>
Sent: Thursday, January 11, 2018 5:12 PM
To: announce at lunar.org; General LUNAR
Subject: [LUNAR general:] Flying Saturday 01/13/18

LUNAR did not get a 2018 FAA waiver yet. We have decided to fly on Saturday but it will be an unwaivered launch. What does that mean? Simple answer is no HP rockets. Real answer is a little more complicated. Below is a page I create back when I got my Pyro III license. The blue text is the governing rules. Your rocket must be under 3.3 pounds, have motors with no more than 125g of propellant and have less then 80 Newtons average thrust.

You want to fly bigger rockets?

This table is suppose to make it easier. You need to know your Gross Lift Off Weight (GLOW) and your motor(s) specifications. Start from the top left of the table and keep going down and right until you meet all the requirements. The last cell will tell you what you have to do to fly your rocket.

Proxitity to Airport    Rocket Weight GLOW      Single motor    Multi Motor     Average Thrust  Restriction
> 5 nautical miles      <1500g/1lbs     <62.5g Typical G motor and <160N-Sec    <125g and <320N-Sec     <80N    Standard
> 5 nautical miles      <1500g/3.3lbs   <125g Typical H motor   <125g   <80N    Pyro III
< 5 nautical miles      >1500g/3.3lbs   <10240N-Sec M motor limit       <20480N-Sec     >=80N   Waiver
< 5 nautical miles      >1500g/3.3lbs   <40960N-Sec O motor limit       <40960N-Sec     >=80N   Not CA legal, use another state
< 5 nautical miles      >1500g/3.3lbs   >=40960N-Sec O motor limit      >=40960N-Sec    >=80N   Not USA legal

Standard = Permission of the land owner, insurance, and a fire permit.
Notice = No longer used. "Large Model Rockets" (>453g & <1500g GLOW, >62.5g & <125g propellant, >113g & < 125g total propellant in multiple motors) was dropped from FAR 101.22.
Waiver = Standard plus a waiver filed with the local FAA controller and a CA Pyro Technician Class III Rocketry. FAR 101<https://nam03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fecfr.gpoaccess.gov%2Fcgi%2Ft%2Ftext%2Ftext-idx%3Fc%3Decfr%26rgn%3Ddiv5%26view%3Dtext%26node%3D14%3A2.0.1.3.15%26idno%3D14&data=02%7C01%7C%7Cda7c6edc46204666fac408d55959920c%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636513163592147433&sdata=Fw7OGwKbozFaBL2ryrCMU9IVIdA6XnwzN1ruHnekgNQ%3D&reserved=0>
Pyro III is required when: a rocket that (1) is propelled by one or more high power rocket motors (more than 160 Newton-seconds (36 lb.-seconds) of total impulse or an average thrust greater than 80 N (18 lbs) or more than 62.5 g (2.2 oz) of propellant,) ; (2) is propelled by a combination of model rocket motors having an installed total impulse of more than 320 N-sec (71.9 lb-sec); (3) is propelled by a combination of model rocket motors having more than a total of 125 g (4.4 oz) of propellant weight; or (4) weighs more than 1500 g (53 oz - 3.3lbs) with motor(s) installed.

Motor = Impulse
1/4A < .625NSec
1/2A < 1.25NSec
A < 2.5NSec
B < 5.0NSec
C < 10NSec
D < 20NSec
E < 40NSec
F < 80NSec
G < 160NSec CA Pyro III required for a single motor over 160NSec.
H < 320NSec CA Pyro III required for a multi motor cluster or staged over 320NSec.
I < 640NSec
J < 1280NSec
K < 2560NSec
L < 5120NSec
M < 10240NSec Single motor limit for CA
N < 20480NSec Multi motor limit for CA
O < 40960NSec Experimental motor limit for USA

________________________________________________________
Anthony M. Cooper
31120 Chicoine Ave.
Hayward, CA 94544-7432
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