Peregrine: Difference between revisions

From Danno's Rocket Wiki
(Created page with "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). The first lesson learned from Kestrel is to build with four fins rather than three, to reduce coning.")
 
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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]]

Latest revision as of 23:39, 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"

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