Structures and Mechanisms - Peer Design Review - Jen Getz Anthony Lowrey Grayson McArthur Tim Shilling Terry Song 11/16/2018
- Table Of Contents - Structure Deployable Block Diagram Needed from other Teams
Structure Revision C Dimensions: 18.15in x Ø17.75in Mass: 5.78 kg Material: Aluminum 6061 * All dimensions are in inches *
Revision C Mounting Holes * All dimensions are in inches * Side Top
Revision C Clearance * All dimensions are in inches * Side Bottom Top
Boxes Tall Components Short Components Benefits * Less wasted material = Lower Cost * Internal components more accessible * Mounting is more flexible
Boom Deployment Open Loop System (Push tip mass away with springs and let the system deploy on its own) Mini-Lightband release ring or Hop Release
Hight Output Paraffin Actuator (H.O.P) Pin Puller Less then 120g Small, only about 3 inches tall and ¾ inch diameter 50 lbs of force Activated with 28V at 18 watts, which heats up the wax inside the piston, expanding it and causing the pin puller to move
FITs solar Array Deployment Thin Film Solar Arrays FITs solar Array Deployment
One H.O.P = Multiple Deployments
FITs and Aerofins Release Mechanism Spring Pushes Latch H.O.P Released Pin Released
Aerofins and FITS solar Arrays Input and Control Aerofins and FITs Solar Arrays H.O.P 18 watts @ 28V for 1.5 minutes Composite Hinges 10 watts @ 28V per Hinge for 1 minute 2-4 Hinges required High/Low output (Switch signaling final released position) High/Low output (Switch signaling final deployed position)
Boom Input and Control OR H.O.P 18 watts @ 28V for 1.5 minutes Lightband Separator 10 watts @ 12V for 1 minute High/Low output (Switch successful separation and final deployed position)
(Switch signaling final Antenna Input and Control Solenoid 5watts at 12 V High/Low output (Switch signaling final deployed position)
Summarized Structure’s Needs 7-9 hi/low output lines, signaling various stages of deployment 2 Solenoids, 5watts at 12V (May not be needed) 1 or 2 H.O.Ps, 18 watts @ 28V for 1.5 minutes 1 possible Lightband Separator, 10 watts @ 12V for 1 minute 4 total, 2 at a time deployment Composite Hinges, 10 watts @ 28V per Hinge for 1 minute