[EXPLORER] Thruster Guard Requirements

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EER_Mark
Posts: 18
Joined: Thu May 18, 2017 5:51 pm

[EXPLORER] Thruster Guard Requirements

Post by EER_Mark » Sat May 11, 2019 6:01 pm

Hello,

MECH-006 states that thruster guards must have a mesh size that meets IP-20 standards, but also you should not be able to touch a propeller with a finger. Our guard design meets IP-20 standards, but if you wiggle a small finger in a certain way it can touch a propeller (this does take some effort). Of course, bigger fingers like thumbs will not reach.

At the competition, will we be solely judged on IP-20 standards in order to pass safety inspection?

Thanks,
Mark

Matthew Gardner
Posts: 987
Joined: Sat Jan 05, 2013 11:19 pm

Re: [EXPLORER] Thruster Guard Requirements

Post by Matthew Gardner » Mon May 20, 2019 12:04 pm

At the international competition, safety inspectors will have a 12.5 mm dowel (actually 12.7 mm). This will be used to see if motors are properly shrouded. Inspectors will not push too hard or break any motor shrouds.

Good luck.

Matthew Gardner
MATE ROV Competition

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