16-01-2004, 02:18
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FIRST's Spare, Queuer & Tech guy =)
AKA: Mike M. / Mouse =)
no team (FRC Volunteer)
Team Role: Alumni
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Join Date: Jun 2002
Rookie Year: 2001
Location: Staten Island, NYC
Posts: 1,504
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Re: Removing Bosch Drill Pins - Cause of Failure?
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Originally Posted by sanddrag
Okay,
Last year we did not modify our bosch trannies from the way we received them. We used them in a four motor drive and never once did they fail. However, they would make aweful crunching noises every now and then, that I assume is the pins.
To make for a smoother driving experience (like running on only Chips), I was thinking we would remove the pins this year.
I read all the other posts and threads on this topic and have not found my exact question asked or answered before.
Is there a direct correlation between removing the pins and drill tranny failure?
those pins gone but I never want to have to open or replace the transmission after that.
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At the bottom of the rule state below you find the following text i typed in italicsRule 5.8.4 The drills clutch housing contains 2 internal back drive preventer pins thats keep the motor shaft from being turned (back driven) by its ouput shaft. These pins may be removed allowing the motors to be back driven by the robots momentum in an un powered state. FIRST recommends that you remove these pins. Detalied instructions about doing so are available on our site.
Does this help???
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Past FIRST Robotics Events that I proudly volunteered at: FLL: NY State Competition '03
FRC: NYC Remote Kickoff '04 & NYC Regionals '04-'15 ,'10-'13 & NJ Regionals '06-'10, Finger Lakes Regional '09 & SBPLI Regional '08-'15 and the World Championship in '05 (Galileo Field) '07 (Newton Field) '09 (Practice Fields Attendant / FTA(A)), CeBIT Convention in '04 & NextFEST in '06 both held @ the Javitts Center, Monty Madness '07-'10, Panda-monium '08, B.Eruption '08 & '09, Ramp Riot '08, PARC '09 & '10, BR^2 '09 & Wol. Inv. '09 -'15
2015 FIRST Robotics Off Season Events that I hope to volunteer at: Where is Wolcott Invitational 2015 FIRST Robotics Events that I will be volunteering at: SBPLI Reg. & Championships Volunteer Resume: Alt & Lead Team Queuer, Field Repair/Reset, Field Setup/Breakdown, Spare Parts Attendant, Field Power Controller/Score Keeper, Co-Emcee & Official Scorer, Control System Advisor, FIRST Tech Advisor Assistant & recently Practice Field Attendant.
Last edited by mtaman02 : 16-01-2004 at 02:26.
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