survey and recovery autonomous hovercraft. overview - capabilities maintain a straight course...
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S.A.R.A.H.Survey And Recovery Autonomous Hovercraft
Overview - Capabilities
Maintain a straight course (within some error)
Scan a flat area for objects
Avoid water
FLOAT! (worst case)
Hovercraft Chassis
Circular platform
½” blue insulation foam core
(Tentative) fiberglass-layup outer body
Diameter TBD
Lift System
“Bag Skirt” hovercraft design
Rule 12V 4” bilge blower
235 CFM max.
May also be used for thrust (pending testing)
http://www.amazon.com/Rule-240-Marine-Blower-4-Inch/dp/B000O8D0IC/ref=sr_1_1?ie=UTF8&qid=1327987842&sr=8-1
Battery
11.1V 2200mAh 25C Li-Poly Battery Pack
25C = 55A continuous discharge rating
Ample Power!
http://www.amazon.com/11-1V-2200mAh-Li-Poly-Battery-Deans/dp/B0042GAWG0/ref=pd_sim__1
Metal Detector
Building a (good) metal detector is complex
Target size/weight achievable, but not in this time frame.
Simulated “metal” detection using omnipolar hall effect sensors and magnets.
Water Awareness
Tendrils
Schmitt triggers
Questions?