Peregrine: Difference between revisions

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This is a placeholder page for a future project, to build a Wildman Mach 3 kit (75mm minimum diameter). I have a CTI M840 motor on order for this rocket (bought at Wildman's 2022 Black Saturday sale).
[[File:Peregrine-graphics-v1.png|thumb|100px|Possible paint scheme.]]


The first lesson learned from [[Kestrel]] is to build with four fins rather than three, to reduce coning.
Peregrine is built from a [https://wildmanrocketry.com/collections/3-fiberglass/products/mach-3 Wildman Mach 3] kit (75mm minimum diameter) and am planning for a launch at Airfest 2024. The flight will be on an [https://aerotech-rocketry.com/products/product_fe1f54bf-9bef-7bef-067f-44f3d7a29d86 AeroTech M685] motor and should exceed 30,000 feet AGL (preliminary simulations are showing 34k-35k). Construction beginning February 2024.
 
* Primary altimeter: [https://altusmetrum.org/TeleMega/ Altus Metrum TeleMega] with a single 850mAh battery for electronics and pyro
* Backup altimeter: [https://altusmetrum.org/EasyMini/ Altus Metrum EasyMini] with a single 850mAh battery for electronics and pyro
* Camera: [https://shop.runcam.com/runcam-5-orange/ RunCam 5 Orange], inside the av-bay looking out horizontally
* Motor retention: [https://aeropack.net/pages/min-dia-retainers Aero Pack minimum diameter thread-on retainer]
* Main recovery: head-end, [https://shop.fruitychutes.com/collections/iris-ultra-standard-chutes/products/iris-ultra-48-standard-parachute-12-5lbs-20fps Fruity Chutes 48" Iris Ultra] (likely won't fit; will probably end up buying a [https://shop.fruitychutes.com/collections/iris-ultra-compact-chutes/products/iris-ultra-36-hp-compact-chute-7lb-20fps-3-9lb-15fps 36" Iris Ultra HP Compact])
* Apogee recovery: [https://spherachutes.com/products/apex-drogue Spherachutes Apex drogue] (tentative)
* Using [http://www.pro38.com/pdfs/Pro75_dimensions.pdf CTI Pro75 6G motor case] <s>with tailcone closure</s> (discovered CTI tailcone will not fit with AT nozzle &#128557;)
* Using [https://www.additiveaerospace.com/products/fly-away-rail-guides Additive Aerospace fly-away rail guide]
* Planning tip-to-tip fin reinforcement (still thinking but leaning towards fiberglass rather than carbon fiber)
 
<center>
[[File:Peregrine-openrocket.png|800px|alt="Screen shot of Peregrine design in OpenRocket"]]
</center>
 
Completed Tasks:
 
* Preliminary OpenRocket and RasAero sims
* Preliminary fin flutter calculations
* Motor retainer bonded into airframe
* Switchband bonded to coupler
* Fin jig 3D printed
* Fins tacked on
* Fillets in progress
 
<center>
[[File:Peregrine-fins.jpg|400px|alt="Screen shot of Peregrine design in OpenRocket"]]
</center>


[[Category:Rockets]]
[[Category:Rockets]]

Latest revision as of 22:39, 23 February 2024

Possible paint scheme.

Peregrine is built from a Wildman Mach 3 kit (75mm minimum diameter) and am planning for a launch at Airfest 2024. The flight will be on an AeroTech M685 motor and should exceed 30,000 feet AGL (preliminary simulations are showing 34k-35k). Construction beginning February 2024.

"Screen shot of Peregrine design in OpenRocket"

Completed Tasks:

  • Preliminary OpenRocket and RasAero sims
  • Preliminary fin flutter calculations
  • Motor retainer bonded into airframe
  • Switchband bonded to coupler
  • Fin jig 3D printed
  • Fins tacked on
  • Fillets in progress

"Screen shot of Peregrine design in OpenRocket"