Free Spirit - Into the Sandbox
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Why don't you guys use a MATT tracks system for the drive wheels?
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the rovers and crew are the best on two planets lol
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HEY THIS ONE AIR BAG UNDER BOTTOM WOULD WORK IF STUCK IN SAND OR GAS BAG ROVER
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shouldnt have bought the made in china plastic wheels and put some mickey tompsons on there
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When we get tuck in the snow in Canada it often works best to rock progressively further back and forth to wear flat a compacted track . Sometimes bouncing weight on the front of rear fender helps get things moving but that is likely due more to the extra weight traction. Can you get more weight by lifting a rock. Can the arm reach under & clear the rocks & smooth the soil ramp angle i front of the the leading wheel?Did spirit fall through an upper crust? If so she is in for a longgggg slog....
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Using the Micro Imager on Spirit,try the pics underside again using AM/PM low sun angles for extreme shadows and max light for comparison. The rocks on the underside then get mapped more accurately 3Dimensionally with much less guesswork.
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My recent(8 hours ago) update showing middle left wheelWedged againstRrock leads meToward turning that wheel first 45 degreesRIGHT to sideswipe/climb the base of that rock,while simultaneously turning FrontLeftWheel45 or greater right(upTo90deg).Spin-out strategy(wrestlerMOVE)Circular escapeUSEShardSurfaceRockTract
ionLifting,since LooseMaterialSinks you.SideSwipeCenterLeftWheelRo ckBaseUp&Over.SolidRockBetterB argain than loose soil for risingUP.Aim for Hard SURFACES you can climb,avoidQUICKSAND -
The spiked wheels on Sojourner would have worked better if refined for the increased weight of Spirit & Op.There is still time to refine those spiked wheels on the next rover,even heavier than S&O,while the lessons learned here are incorporated in computer models for improved wheel design maximizing traction over GLIDE/mileage. As the rovers weight increases they must act more like TANKS than Volkswagens.
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Hey JPT, I love your videos continuously updating us on the current events of space. But I do have one question, why were the treads designed so small? Was this not thought about? Thanks anyway.
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Good luck guys!
Free Spirit !
011EviL 2 years ago 6