2022 Launch Reports

Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec

January, 2022

The January Launch was cancelled due to poor weather.

 

February, 2022


This was the first launch in 2022 but not one of the best launches the CRMRC has had. The forecast was to start the day sunny, single digits F, with light winds, going to overcast, mid 20s F and 25mph winds by afternoon with gusts to 36 mph. The actual weather followed this with no clouds, no wind and 8 deg F at 7:45 am and by 2:00 pm it was 23 deg F, 16-23mph wind, and mostly cloudy. The wind chill was never above single digits F, even as the temperature warmed up, making everyone miserable.

The field was frozen solid due to the rain and flood watch 3 days earlier followed by single digit F temperatures. Parking was allowed on the field that we launch from because of how solid the field was.

Three college teams were supposed to show up: Wooster Polytechnic Institute (WPI), University of Massachusetts - Amherst (UMass), and Olin College of Engineering. Olin decided not to show up due to the poor weather. WPI took too long to prep their rocket, as the winds were over 20mph. UMass, who's luck on previous launches was not good, did manage to get their rocket off the ground.

About 30 people showed up to the launch, most of which were college students from WPI and UMass. The rest were CRMRC members. There were 6 rockets that got off the ground. Motors were: 1-F, 2-G, 1-H, 1-I, and 1-L. Specs are: mode - G, mean - H, and total - L.

The flights were:

- Guest William flew a red 44" x 1.6" custom rocket called Peanut Butter Falcon on an AT F67 White Economax. The flight was successful, landing in the launch field to the south, being recovered successfully.

- Guest Curtis launched a scratch built upscale of an Estes Corkscrew painted in red, on an AT G53 FJ with black smoke. As the name implies, the rocket corkscrewed on the way up. The flight was high enough that on the way down, the rocket drifted and was caught in a tree to the northwest of the launch pad, about 25 feet off the ground. The wind was not able to blow this rocket out of the tree, but on the second walk out to the rocket to get it down, a combination of cordage, weights, a 12 foot step ladder, and the CRMRC flagpole were able to wrap the cordage around the rocket fins and then pull all the parts to the ground without damage to the rocket.

- Guest Jason, as the flier of record for UMass, flew their custom primer grey 4" x 102" project on the largest motor of the day, a CTI L1030 red to 5280 feet. A RRC3 and Raven4 handled the deployment duties and the 24 pound rocket landed on the field to the east. The winds were strong enough, and the ground so frozen, that the rocket was dragged about 1/4 mile, suffering significant damage to the fins and the body tube, including making the airframe about 8 inches shorter. The team was forced to run after their rocket to catch it and then walk the path it was dragged to find all of the pieces that shredded off.

- CRMRC member Doug managed 2 flights.
A blue and black Mac Performance Pike flew on a Loki I316 spitfire (sparky). The 4" x 86" rocket deployment was controlled by an RRC2 with the main set for apogee. This rocket also drifted into the tree line to the northwest and was caught 40 feet off the ground. Everyone watched the rocket's parachute inflate from the wind and after 5 minutes the rocket was pulled out of the tree and fell to the ground undamaged.

A blue grey Mac Performance Bolt went up on a Loki H144 white with an Eggtimer handling the deployment charges. Having learned from his first flight, Doug angled the rod and the rocket landed between the launch control table and the cars, about 15 feet from both, along with the people in the area.

- CRMRC member Howie managed just a single unsuccessful flight, of his custom Dragonfly, which looked like a 6-fin Mac Performance 54mm Black Fly. The CTI F68 was not enough power for that much wind. The rocket corkscrewed significantly, not attaining even half the expected altitude. This caused the rocket to lawn dart in a large frozen pond on the field several seconds before the parachute deployed. The parachute did eventually deploy, but it was too late and the nosecone needs to be replaced.

Flights were done around 2:00pm and we left the field.

 

March, 2022

(A twice delayed launch finally held on Saturday April 2nd)

The weather improved throughout the entire day. Upon arrival at 0900 it was sunny, temperature at freezing, winds averaging 13mph with gusts to 20mph. By leaving at 1700 (5:00pm), the temperature was 42edgF, and winds averaged 6mph. The sky was cloudless all day. The ground started with the surface frozen but soft underneath, and softened to mud all day.

All parking was either along the road down or at the top of the knoll, with no one parking on the field because it was too muddy. The mud caused a few cars which were parked at the bottom of the road to need a push to get going and start up the hill at the end of the day.

Total attendance was about 70 people, including 5 college teams: Worcester Polytechnic Institute (WPI), Northeastern, University of Massachusetts, Amherst (UMass), Olin College of Engineering, and Rensselaer Polytechnic Institute (RPI).

Of the 22 total flights, there were no low power flights, 2 mid power flights, and 20 high power flights consisting of: 1-F, 1-G, 5-H, 11-J, 1-K, and 3-L. The mode and mean were both "J" with the total being 65% N. There were 2 certification flights and 10 first flights. Another CRMRC member was at Red Glare with MDRA, in MD. This flight is also included in the launch report, but is not part of the launch statistics.

Club video is HERE


Flight details, including time indexes for the video:

Scott
MAC Performance Rocketry 3"x60" black Scorpion on an AT H128R with Jiobit on board. L1 certification flight, successful
Video at 00:31

Constantine
LOC Precision 4"x85" black, white, & red IRIS on AT J275W with RRC3 & RRC2+ @ 700 feet. L2 certification flight, 1st flight, successful after huffing & chuffing on the pad
Video at 21:02

James @ Red Glare
Wildman 6" x 132" red, yellow, & blue Ultimate Wildman on CTI M1810RL with RRC2, RRC2L, AltusMetrumEM @ 1000 feet, L3 certification flight, successful (7220 feet apogee)
Video at 34:42

Bjorn
Custom Q11x2m silver "Swiss Jesus" on CTI J410 red with Stratologger & EasyMini, 1st flight
Video at 24:28

Trevor
Custom 5.5"x86" unpainted "J.A.R" on AT J500G with RRC3 & RRC2+ @ 700 feet, 1st flight
Video at 12:45

Kyle
Apogee 4" x 74" red & blue Hyperion on AT J450DM with RRC3 & RRC2 @ 600 feet, no main chute
Video at 28:51
Custom 6" x 87" black with red switch band "Phoenix IV" on AT L875 DMS with RRC3 & Quantum @ 900 feet, delayed launch, spiraled on way up
Video at 23:35

Andrew
Custom 5.5" x 103" red & black "Travel Request Denied" on CTI K1440WT with 2 EasyMinis, 1st flight
Video at 33:00

Kartikey (was flier of record for many fliers)
Custom 4" x 82" multi-colored "too Isnan" on CTI J357BS with Stratologger & EasyMini @ 500 feet, 1st flight
Video at 26:00
Custom 4" x 78" graffiti-colored "Hold My Beer!" on CTI J400BS with Stratologger & EastMini @ 800 feet, 1st flight
Video at 31:11
Custom 4" x 81" black & red "Super Guppy" on CTI J316 PI with EasyMini & home made @ 630 feet
Video at 16:42
Custom 4" x 81" gold "The Rocketeers" on CTI J530IM with Stratologger & EastMini @ 800 feet, 1st flight
Video at 14:22

Kevin
Madcow 4" x 54" red, white & blue Super DX3 on CTI J425BS with Proton @ 400 feet (4005' flight)
Video at 03:59

Dave
Estes Argent 2.6" x 56" white, orange & black on AT F20W-4 with Flight Sketch & Estes altimeters, 1st flight
Custom 4" x 3" purple "Purple Crayon" on CTI H90CL
Video at 08:33
Madcow 3" x 67" black & red Formula 75 on CTI J250SK with Stratologger & GPS
Video at 11:02

Doug
Madcow 2.5" x 60" black & white Bomarc on AT G125BT with Eggtimer @ apogee
Video at 27:52
MAC Performance 3" x 72" orange & white Exocet on Loki H144W with RRC2 @ apogee, 1st flight
Video at 02:45
MAC Performance 4" x 90" red VTS on CTI J400SS with RRC2 & Eggtimer @ apogee
Video at 08:59

April, 2022

Although this CRMRC launch was held in April, it seemed like the Fourth of July! The club put on a rocketry fireworks show with sparkling titanium-infused propellant shimmering brightly across the sky, and thundering liftoffs that reverberated across the wide-open fields. We also witnessed four spectacular (but unfortunate) motor failures in mid-flight.

14 people attended the launch: 7 CRMRC members, one guest from Virginia, two guests from Essex Junction, Vermont, and four college students from Northeastern University (Boston).

At 9:00 am, 5 club members and one guest began to set upthe launch equipment. We set up the low-power rack 50 feet from the launch table, and two blue high-power pads at 100 feet, both on 1010 rails but with an option to switch to 1515 rail as needed. For a K flight later in the day (Howie), we moved one of the blue pads out to 200 feet.

We were ready to begin launching by 9:42 am, and the first flight lifted off at 10:11 am. At that moment, the club anemometer registered 0.0 mph, but we observed variable winds throughout the day. In a few instances, it was necessary to wait a few moments until winds reduced below 20 mph according to NAR regulations, but generally the winds were not a problem. Winds were typically about 6-8 mph from the northwest, and many of our rockets landed conveniently in the east cornfield, a perfect landing site this time of year since there is no standing corn. We noted some water in ditches and occasional mud patches in the fields and the farm road, but our rockets avoided these wet areas.

We enjoyed a cloud ceiling of at least 5000 feet above ground level, typically consisting of altocumulus clouds (mackerel sky/fish-scale clouds) or thin high-level stratus clouds along with a mix of blue sky. Prior to the launch day, Club President and Rocket Guru Howie D had examined the Windy.com website for cloud altitude predictions, and it turned out to be quite accurate.

Stan arrived about 10:00 am and successfully passed the L2 written test, and another club member arrived on the field around this time. Four college students from Northeastern Univeristy (Boston) arrived about11:30 am.

Club members left for lunch about 3:10 pm (Bayside Restaurant in St. Albans Bay), and then returned to the fieldat about 4:40 pm for one final flight from the Northeastern University group, which lifted off at 4:57 pm. We then finished packing up, and club members left the field at about 5:20 pm.


=====
AWARDS AND MILESTONES
=====

-Successful L2 certification: Stan W. and his MAC 4-inch Black Fly on CTI J335

-Successful Bomarc flight: Doug G and his MadcowBomarc on AT H115

-Best visual estimation of 500 feet at moment of deployment: Howie and his Dark Star 3, which deployed at the exact moment Howie said it had reached 500 feet.

-Best GoPro ground-level views of liftoffs: Scott L

-Most spectacular motor cato: This was a tie among(1) John A and his MAC Menace on CTI J316, (2) Doug and his SBR Honest John on CTI J530, and (3) James with his Madcow SuperDX3 on Loki J650.

-Best innovations for deployment: Northeastern University and their parachute reefing system (conceptually similar to SpaceX and Blue Origin)

-Closest to pad (both vertically and horizontally): James and his ill-fated Chimera on AT F32


======
MOTORS
======
We flew a total of 19 motors on 19 flights (no staged or complex motor configurations). All flights on this day were either high power or mid power. As a group, our total impulse was 9270.5 Newton-sec (2084.1 pound-force-sec), which is equivalent to one large M motor (81% M). Our mean and median total impulses were 515 N-sec and 484.8 N-sec respectively, both of which are equivalent to an I motor. In other words, we flew a lot of mid-sized HPR flights on this day. The largest motor was a CTI K550RL (Howie), and the smallest was an AeroTech F32 (James).

Sparky percentage: Six of the 19 motors (31.6%) flown on this day were sparky motors (titanium-infused).

The motor classes were distributed as follows:
A-E: 0 motors
F: 3 motors
G: 2 motors
H: 3 motors
I: 5 motors
J: 5 motors
K: 1 motor

======
CLUB VIDEO IS HERE:


======
FLIGHT DETAILS:
======


Stan W.
MAC Black Fly, black, 4 in. dia., 50 in. tall, 6 lbs 12 oz
-Motor: CTI J335RL
-Electronics: JLCR
-Result: Good flight, apogee 4014 feet, landed in the grass just south of the farm road
-Successful L2 certification. Congratulations, Stan!
-Video at 16:16


======
Scott L.
1. Sheltech BTX60, 29mm dia., 30 in. tall, 10 oz
-Motor: AT F67-W9
-Electronics: Jiobit GPS
-Result: Unstable flight, chute deployed on the ground
-Video at 00:16

2. MAC Scorpion, 3 in. dia., 60 in. tall, 3 lbs 6 oz
-Motor: AT G78-9 Mojave Green
-Electronics: Jiobit GPS
-Result: Good flight, chute deployment was late but rocket landed safely.
-Video at 09:25

3. MAC Scorpion, 3 in. dia., 60 in. tall, 3 lbs 6 oz
-Motor: AT G80-9T
-Electronics: Jiobit GPS
-Result: Good flight, good deployment (he attached a small drogue chute to the nosecone to facilitate deployment of the main chute)
-Video at 12:09


=====
James
1. Custom Chimera, blue booster and transparent plastic airframe, 2.6 in. and 2.0 in., 2 lbs 1 oz
-Motor: AT F32-8T
-Result: Cato (motor burn-thru). The transparent plastic airframe is now opaque (charred black), and the plastic is now slightly melted near the aft end
-Video at 03:40

2. Madcow FG SuperDX3, black and silver, 4 in. dia., 80 in. tall, 13 lbs 5 oz
-Motor: Loki J650SF
-Electronics: Dual deploy with RRC2 and Altus Metrum EM, and Jiobit GPS
-Result: Nice loud sparky liftoff but then catastrophic motor burn-thru (due to user error in the delay element)
-Video at 06:07

3. Custom Chimera, blue booster and transparent plastic airframe, 2.6 in. and 2.0 in., 2 lbs 1 oz
-Motor: AT F67-6W
-Result: Good flight (flight trajectory was a bit wobbly due to the melted airframe section near the aft end)
-Video at 21:11


======
Kevin K.
1. Madcow SuperDX3, red/white/blue, 4 in. dia., 54 in. tall, 7 lbs 2 oz
-Motor: AT I280DM
-Electronics: Eggtimer Proton set for 500 feet and Eggtimer GPS
-Result: Good flight, apogee 2973 feet
-Video at 07:16

2. Madcow Patriot, white/orange/red, 4 in. dia., 48 in. tall, 6 lbs 6 oz
-Motor: CTI I540WT
-Electronics: JCLR set to 400 feet
-Result: Good flight
-Video at 19:20


======
Matthew and Northeastern University student team
1. Super Guppy, black and red, 4 in. dia., 72 in. tall, 10lbs 13 oz
-Motor: CTI I216CL
-Electronics: passive computer, 2x Altus Metrum EM, parachute reefing system
-Result: Good flight
-Video at 29:42

2. Beanboozler, autumn colors, 2.6 in. dia., 57 in. tall, 5 lbs 14 oz
-Motor: CTI I140SK
-Electronics: Altus Metrum EM, Eggfinder GPS, custom dual deploy, nosecone DAQ
-Result: Good flight
-Video at 31:49


======
John A.
1. MAC Menace Stretch, unpainted, 4 in. dia., 65 in. tall, 9 lbs 6 oz
-Motor: CTI J316PK
-Electronics: Altus Metrum EM, RRC2, Featherweight GPS
-Result: Catastrophic motor failure (post-flight inspection showed a large gash in the 38mm motor case)
-Video at 04:18

2. MAC Black Fly Stretch, unpainted, 54mm dia., 39 in. tall, 3 lbs 6 oz
-Motor: CTI H200BS
-Electronics: Altus Metrum EM, RRC2, Featherweight GPS
-Result: Good flight, good talking telemetry from the Featherweight system. Rocket reached apogee of 2971 feet, good deployment of main chute at 800 feet.
-Video at 24:15


======
Doug G.
1. MAC Scorpion Claw (custom modified), green, 3 in. dia., 70 in. tall, 8 lbs 1 oz
-Motor: Loki I316SF
-Electronics: RRC2 and Eggtimer Quark, set to 800 feet and 500 feet
-Result: Good flight
-Video at 01:08

2. SBR Honest John, gray and white, 7.5 in. dia., 85 in. tall, 22 lbs 4 oz
-Motor: CTI J530IM
-Electronics: RRC2 and Eggtimer Quark, main set to 1000 feet
-Result: Catastrophic motor failure, post-flight inspection showed a large gash in the 38mm 6XL motor case.
-Video at 13:35

3. MadcowBomarc, black and white, 3 in. dia. fuselage with large wooden wings, 60 in. tall, 3 lbs 4 oz
-Motor: AT H115DM
-Electronics: Eggtimer Apogee
-Result: Good straight launch, good deployment: Successful flight of the Bomarc!
-Video at 22:30


======
Club President and Rocket Guru Howie D. flew a series of three Dark Stars:
1. Wildman Dark Star 2.1 named Gold Star, painted gold, 2.1 in. dia. (54mm), 36 in. tall, 2 lbs 5 oz
-Motor: CTI H123SK (29mm)
-Electronics: RF tracker, JLCR set to 300 feet
-Result: Good flight and recovery. The RF tracking signal was briefly lost as the rocket landed out of sight on the other side of the hill in the west field, but Howie quickly established the signal again when he walked to the hill.
-Video at 10:14

2. Wildman Dark Star 3, black, 3 in. dia., 80 in. tall, 10 lbs 14 oz
-Motor: CTI J400SS
-Electronics: RRC2 set to 500 feet
-Result: Good flight, apogee 2495 feet.
-Video at 15:04

3. Wildman Dark Star Extreme, unpainted green fiberglass, 4 in. dia., 103 in. tall, 21 lbs 15 oz
-Motor: CTI K500RL
-Electronics: RRC2 and MARSA set to 800 feet and 500 feet
-Result: Good flight, although the main chute opened at apogee. The rocket reached an apogee of 2924 feet.
-Video at 26:51


May, 2022

The May Launch was cancelled due to poor weather.

 

June, 2022

32 flights, attempted 35 motors, flew 34
Flights: A:1, B:3, C:8, D:2, E:2, F:4, G:4, H:2, I:2, J:4, K:1
Motors: A:1, B:3, C:11, D:2, E:1, F:4, G:4, H:2, I:2, J:4, K:1
Mode: C
Median: F
Mean: H (both for flight and motor)
Range: 11
Total impulse: 5% N


LCO: Howie D and John A
Videography: Kevin K


16 Rocketeers and 12 guests


=======
Weather
=======
Clouds: overcast @ 0930, partly cloudy @ 1000, cloudless @ 1100
Temperature: mid-70s @ 0930, low 80s @ 1000, upper 80/low 90s @ 1200
Winds: light (<5mph) all morning, 0mph all afternoon
Humidity: high


=====
Setup
=====
On grass to north w/new setup
Launch control 100 feet from corn, 30 feet from road
Blue pads: 100 feet - SE corner (intersection of road and corn), 100/200 ft @ 45deg to NE
Red pads: @ 45deg to NW
Ready @ 0945hrs, 1st flight @ 1015hrs
We used recently cleaned rails, which worked much better (thanks to John A).
Takedown started @ 1530hrs (3:30pm), off field by 1600 (4:00pm), followed by BBQ at Mill River.


============
Notable events
============
Canadian club members Paul S and Daniel M came to fly with our club again, following 2+ years of pandemic restrictions on border crossings (Dave L had joined us a few times previously).


=============
FLIGHT DETAILS
=============

Club launch video is HERE


Aiden: 1 flight
-Estes Goblin (black and yellow) on C11-7, video at 13:59


Rosie: 1 flight
-Estes High Flyer (red and silver) on D12-5, video at 23:40


Kai: 3 flights
-Estes High Flyer (red and black) on C6-5, video at 14:45
-Estes Goblin (yellow and black) on C11-7, streamer recovery, video at 06:39
-Estes V2 (black and yellow) on AT F35-8 White w/Jolly Logic Chute Release (JLCR) @ 400, shredded at max Q, video at 15:16


Jack D: 1 flight
-CRMRC Saucer USS Roadster / Apollo 11 (white and purple) on C6-5, video at 17:54


-The Kickin Rocket Carriers: 1 flight
-SportX Unicorn (sparkles and rainbow) on AT G67 Red, video at 31:46


Daniel M: 2 flights
-Aerotech Arreaux (yellow and black) on AT F50-4T, video at 01:42
-Aerotech Wart Hog (white) on AT F50-6T, video at 10:25


Kevin K: 1 flight
-Madcow Super DX3 (red, white and blue) on CTI K820 BS w/Eggfinder and Proton dual deploy, main @400 feet, expected altitude 9900 feet, exceeded airframe speed (shredded) at max Q, video at 34:06


Kyle B: 1 flight
-Apogee Katana (blue and yellow) on AT J180 Blue Thunder (long-burn motor) w/PerfectFlite RRC3 main @ 500, video at 20:18


Gary C: 5 flights
-Estes Baby Bertha (red) on B6-4, 20:55
-Estes Savage (white, black, and pink) on B6-4, video at 02:48
-Estes Savage (white, black, and pink) on C6-5, video at 07:14
-Estes Big Bertha (red and black) on C6-5, video at 11:45
-Estes Majestic (purple and silver) on Estes/AT F15-6, video at 18:35


Paul S: 5 flights
-Scratch Goony Bird Zero (blue and cream) on C6-5, video at 09:05
-Scratch Blue Bird Zero (blue and white) on C6-7, video at 16:25
-Estes Mega Mosquito (pink and purple) on Estes E9-6, video at 00:25
-Estes Leviathan (pink and black flame) on AT G77 Red w/JLCR @ 300, JL Alt II, video at 24:56
-Scratch Blue Bird Zero (blue and white) on AT H128-10 White, JLCR@300, video at 32:51


Stan W: 2 flights
-Mac Zodiac (maroon) on CTI I297 SK to 6139 feet w/RRC2 @ 500, radio tracker, video at 08:06
-Mac MPR38 (yellow) on CTI I303 Blue Streak to 4616 w/Altimeter 2, JLCR @ 500, radio tracker, video at 27:53


John A: 1 flight
-Mac Menace (rebuild take 2, stretch) (naked brown) on CTI J410 Red Lightning to 3053 ft w/Featherweight GPS, Altus Mini, RRC3, video at 05:10


Scott L: 1 flight
-Giant Leap Rocketry (GLR) Thunderbolt (purple) on AT H550 Super Thunder w/Jiobit , JL Alt - lost to NW of launch site, video at 03:18


Jeff R: 1 flight
-PML IO (red and black) on AT G40-7 White, video at 26:11


Rick D: 4 flights
-Apogee Gyro-Chaser (yellow and orange) on A3-4T - lawn dart, video at 27:27
-Oddl Pegasus (pink) on B6-4, video at 23:23
-Apogee SLO-MO (red, white and green) on Quest D16-8 w/Astro Cam and Estes Altimeter, no video
-Klima Andromeda (blue and white) on 4 C6-5 but only 3 lit, no video


Club President and Rocket Guru Howie D: 3 flights
-Wildman 2.1-inch Dark Star named Gold Star (gold) on CTI G54 Red Lightning (long-burn motor) w/JLCR @ 300, radio tracker, video at 12:50
-Wildman 3-inch Dark Star (naked black) on CTI J400 Smoky Sam to 2458 feet w/RRC2 @500, radio tracker, video at 21:46
-Wildman 4-inch Patriot (yellow, red, black and white) on CTI J410 Red Lightning to 2834 feet / 3020 feet w/2 RRC2, streamer at apogee, main chute at 800 feet with backup at 500 feet, video at 30:00. Howie flew this rocket with the main chute in a deployment bag, so that the nosecone comes down in its own chute separate from the rest of the airframe. On this flight, the descent rates of the main airframe and the nosecone were so perfectly aligned that the deployment bag wrapped itself around the main airframe shock cord, landing together at the same time and same location.


======================================
Appendix: Flights by CRMRC members at URRF
on the same weekend (Potter, NY)
======================================


Mike C: 2 flights
-MAC Zodiac (Colorado Flyer) on CTI K360WH, video at 36:10
-MAC Pluto Slam on CTI L995R, video at 43:26


James: 3 flights
-Madcow FG SuperDX3 on CTI J357BS to 1596 feet, Altus Metrum EM and RRC2 backup, video at 37:15
-MAC Menace on CTI H225WT, video at 44:11
-Custom Supersonic Swordfish on CTI K735SK 75 mm minimum diameter rocket, Altus MetrumEM@600 feet and RRC2@300 feet, video at 40:41. Good flight to apogee to 8383 feet (average of 8423 on AltusMetrum, 8343 on JL Alt3, and 8382 on RRC2), good deployment at 600 feet, good landing and recovery 3/4 mile from the launch site.


Eric M: 1 flight
-Ultimate Wildman (Green Vermont Rocket) on AT M1315WL, video at 40:05

 

July, 2022


August, 2022


September, 2022

 

October, 2022


November, 2022


December, 2022


 




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