pyroless hpr deployment device by troy prideaux. the central latch mechanism
TRANSCRIPT
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Pyroless HPR Deployment Device
By Troy Prideaux
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The Central Latch Mechanism
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The Central Latch Mechanism
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Th
e Co
mp
lete Gas D
evice
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Available G
as Volum
e
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Latching Mechanism
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Latch Status
• Easily identifiable latch status
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Device Testing Example
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Testing 90mm PostPak with short device @600 Psi
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Photographic example of the implementation of the device
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Theoretical Parameters
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Virtues of System(in comparison to standard Pyros)
Safety:Less sensitive to sparks & electromagnetic spikesNo hazardous temperatures generated or requiredNon-instant activation delays
Preparation:Faster and easier preparation than pyrosLess chance of damaging critical expendable parts (eg. Ematch installation)Less anxiety for the preparation (once you’re familiarized with it)
Reliability:No expendable pyrotechnic devices to be connected and installedOption for thorough ground testing reusable device to reduce or eliminate the requirement for redundancy
Regulatory:No hazardous or dangerous or regulated parts requiredPotentially less compliance work required for projects/facilities that require stringent requirements for pyrotechnic devices eg, government/defence operated ranges.
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General Virtues
• Low power actuation (can operate on 1 AAA battery)
• Wide operating voltage range (1.5V – 12V)• 1st 2 points renders it directly compatible with all
the available flight electronics systems.• Minimal increased footprint from pyro canisters• Modest weight increase for larger rockets• Easy mounting points• High Discharge Rate - Instant Discharge FAIAP
• Quick(ish) response time
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Disadvantages over Standard BP Pyros
• Is a larger & heavier unit
• Complex device – Higher production costs
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End of Presentation
Any Questions?