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#40
by
Gliderflyer
on 10 May, 2018 22:57
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CATO in this context? (JATO is Jet Assisted Take Off but I am at a loss)
Depending on who you ask, it is either short for "Catastrophic failure" or "Catastrophe At Take Off". Obligatory rocket euphemisms video:
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#41
by
catdlr
on 21 May, 2018 11:25
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Sugar Shot 2-stage rocket avionics and recovery test flight May 19, 2018
mojaverockets
Published on May 21, 2018
Small-scale 2-stage Sugar Sht flight for testing our avionics and recovery. Booster performed well and recovered with no damage. The second stage failed to ignite (problem was found and will be corrected. Second stage recovery also successful with no damage.
150 mm 'O' impulse motor was successfully launched last June.
75mm second stage was successfully flown several times both as a single stage and as the second stage on a 100 mm booster.
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#42
by
catdlr
on 12 Oct, 2018 04:35
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October 6 2018 sugar rocket launch at FAR
mojaverockets
Published on Oct 11, 2018
4" four-grain KNSB sugar motor flight in a 6" fiberglass airframe.
Both the launch and recovery successful.
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#43
by
catdlr
on 09 Dec, 2018 04:21
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Eric's 98 mm M impulse Everclear APCP at FAR
mojaverockets
Published on Dec 8, 2018
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#44
by
catdlr
on 07 Jan, 2019 04:54
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Titanium nozzle and welded bulkhead motor FAR test
mojaverockets
Published on Jan 6, 2019
Two state rocket more tests at the FAR site on January 5, 2019.
The first test was a 100 mm seven grain 7615 N-sec KNSB motor with a new lightweight forward bulkhead welded into the motor case with a new titanium nozzle machined by Sugar Shot to Space member Chris Coveny.
The motor failed when the bulkhead gave way resulting in the motor thrusting down into the concrete test stand foundation. That caused the nozzle to be forced up into the aluminum motor case that mushroomed as a result of the impact.
The nozzle was cut from the motor case and used a second time in a six grain 6,900 N-second previously launched flight motor with conventional bolted in the bulkhead. This second successful test showed no erosion of the nozzle throat. The nozzle was also cool to the touch soon after firing, something not possible with a steel or graphite nozzle.
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#45
by
catdlr
on 12 Jan, 2019 04:27
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MSAC sugar rocket test launch for the FAR-1030 Jan 5, 2019mojaverockets
Published on Jan 11, 2019
Mt San Antonio College student test launch for the FAR-1030 competition. The rocket used a two grain 4" KNSB motor. The launch was done at the Friends of Amateur Rocketry facility.
https://friendsofamateurrocketry.org/
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#46
by
catdlr
on 29 Apr, 2019 04:21
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This is an old video from 2012 but interesting.
2012-05-05 DSS BPS high speed video
mojaverockets
Published on Apr 28, 2019
May 5th 2012 SS2S static test at FAR of 6.5" KNO3/sorbitol rocket motor.
80 pounds of propellant with pyro mid-bulkhead separating fore and aft motor chambers.
0.125" wall steel case and steel nozzle.
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#47
by
catdlr
on 08 May, 2019 07:54
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#48
by
catdlr
on 17 May, 2019 07:48
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SS2S first 2 stage small scale sugar rocket launch at FAR
mojaverockets
Published on May 16, 2019
Uploaded on May 3, 2016
The first launch of the Sugar Shot to Space small scale 2-stage rocket. Rained in the morning and never cleared. So the launch was done without igniting the sustainer to stay below the cloud ceiling.
100mm ( 4 inch ) booster staging to a 75mm ( 3 inch ) sustainer, both having been launched successfully previously separately.
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#49
by
catdlr
on 01 Oct, 2019 09:40
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12 inch diameter KNSB propellant sugar rocket at FAR for Sugar Shot to Space
mojaverockets
Sep 30, 2019
Our largest (in size) sugar rocket flown. Launch and recovery was perfect, the flight was to test the airframe, avionics, and recovery systems. Propellant was KNSB. While built for a small 'R'-impulse motor, for this test an adapter was used for a small previously tested 100mm 'M'-impulse KNSB motor.
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#50
by
Steven Pietrobon
on 01 Oct, 2019 11:19
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#51
by
QuantumG
on 02 Oct, 2019 13:26
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Apparently India has a surplus of sugar, the warehouses are overflowing and when it goes off they burn it.
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#52
by
catdlr
on 05 Jul, 2020 04:30
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Sugar Shot to Space 8" Rocket Motor CATO
mojaverockets
July 4, 2020
8" (200 mm) KNSB 'sugar' propellant motor test using a high-pressure fiberglass motor case.
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#53
by
catdlr
on 03 Aug, 2020 09:27
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Sugar Shot to Space August 1, 2020 static test
mojaverockets
Aug 3, 2020
Static test of our short P-impulse 8" (200mm) fiberglass case, 3 grains of KNSB 'sugar' propellant for Sugar Shot to Space. Facility courtesy of Friends of Amateur Rocketry, Mojave Desert, CA.
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#54
by
catdlr
on 07 Dec, 2020 11:25
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Dec 5 2020 Sugar Shot to Space 8 inch (200mm) static testmojaverockets
Dec 6, 2020
Fourth test of this 8" (200mm) fiberglass motor case for the Sugar Shot to Space project.
For safety in the event of a CATO, motor was buried in the ground for testing at the FAR site. A chain around the steel nozzle and staked to the ground was used to limit motor travel in the event of a failure. My thanks to the many past, present, and future volunteers that have helped with the Sugar Shot to Space project.
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#55
by
catdlr
on 10 Feb, 2021 05:48
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Single 98mm KNSB sugar propellant grain test Feb 6 2021
mojaverockets
Feb 9, 2021
Propellant and grain geometry test on a single 'J-impulse' KNSB grain on the new Sugar Shot to Space test stand at the Friends of Amateur Rocketry facility. The aluminum case motor used a steel nozzle as part of the testing project for a Tripoli study.
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#56
by
catdlr
on 10 Feb, 2021 05:50
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MSAC 5 inch N-impulse KNSB 'sugar' rocket Feb 6 2021mojaverockets
Students from Mt San Antonio Community College came to the FAR facility on Feb 6, 2021, to test-launch their 5" N-impulse KNSB 'sugar' rocket for the FAR-1030 competition in the 30,000' challenge to be held this June at FAR.
The motor worked great but the launch terminated early when the rocket became unstable after losing a fin with about one second remaining on the motor burn. They will be rebuilding and back to test for the competition.
The students previously fired this motor successfully last month.
Liftoff in the video at 1:20
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#57
by
catdlr
on 22 Mar, 2021 01:33
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Sugar Shot small scale 4" finocyl KNSB motor testmojaverockets
Posted: March 21, 2021
Small scale test of our single finocyl grain for our upcoming 8" (200mm) flight motor. The motor was slightly progressive, peak thrust was 300 pounds.
Winds forced several flights at the facility to scrub for the day including our 8" flight to 98,000'. The small short burn 4" test was done instead.
The test starts at 2:05 in the video
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#58
by
catdlr
on 31 Mar, 2021 05:00
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SS2S MSAC 125mm KNSB booster and dart March 6 2021 at FARmojaverockets
Posted: March 30, 2021
Launch of the 55mm DART using a 125mm KNSB propellant booster to flight test the dart avionics and recovery systems. Loss of the booster fins early on in the flight resulted in the loss of the booster main chute but everything else was recovered. Dart recovery drogue and main deployed as planned and without damage.
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#59
by
Steven Pietrobon
on 01 Apr, 2021 05:31
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Anybody know which rocket they used?
https://sites.wff.nasa.gov/code810/pastmissions.html12.088 NR Gilbert/NASA Langley Research Center
March 30, 2021
Aerodynamic Buffet Flight Test (ABFT)
12.088 NR was launched from White Sands Missile Range, NM on March 30, 2021. Dynamic loads resulting from transonic aerodynamic buffet are often the largest contributor to launch vehicle structural load margins, and proper understanding of that phenomenon is an important aspect of launch vehicle design. Over predicting those loads will lead to an inefficient, heavier than necessary structural design, while under predicting them could lead to structural failure. This mission is designed to gather flight data on a vehicle shape that has only been tested in wind tunnels previously.
