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Knightrous - Team Knightrous - NSW
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Knightrous
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Joined: 15 Jun 2004
Posts: 8505
Location: NSW


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quote:
Originally posted by andrew:
serious question, them drives gonna be a saleable item soon? if hobbyking keep dicking me around with trackstar motor and esc being out of stock always ill maybe look into ordering two of them badboys for warning


If they survive a few events in Schmackhed and there are no failures with them, we'll be selling them via BotBitz. Probably wont be till after nationals though.
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Team Knightrous

Post Sun May 06, 2012 7:58 pm 
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miles&Jules
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Joined: 19 May 2010
Posts: 3973
Location: ipswich QLD


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Great to see some feather action!....Looks like a beast...I think the paint job will look even better with a few battle scratches on it. he he

How many more of these kick arse robots you got lying around out there?
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Miles Blow - Julie Pitts
www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Sun May 06, 2012 8:54 pm 
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Knightrous
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Joined: 15 Jun 2004
Posts: 8505
Location: NSW


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I've two battered melty brain chassis, a hammer bot chassis (with EV powered hammer mechanism) and some other offcut bits from various robots.
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Team Knightrous

Post Sun May 06, 2012 9:26 pm 
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miles&Jules
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Joined: 19 May 2010
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Location: ipswich QLD


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Like the sound of that hammer mechanism!

Jules just saw your robot and says its a beauty! Very Happy
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Miles Blow - Julie Pitts
www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Mon May 07, 2012 12:04 am 
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Knightrous
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Joined: 15 Jun 2004
Posts: 8505
Location: NSW


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Well it's all back together!



However I've blown another motor Evil or Very Mad This one looks to have melted the fan and then fed it into the brushes which shorted across the comm and shorted the motor out.
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Post Mon May 07, 2012 4:56 pm 
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miles&Jules
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Joined: 19 May 2010
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Location: ipswich QLD


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love it ...Glides around like a dream!

Wish we had a concrete driveway like that he he!
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Miles Blow - Julie Pitts
www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Mon May 07, 2012 5:04 pm 
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Andrew W



Joined: 01 Jun 2005
Posts: 220
Location: Melbourne, Victoria


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I still remember arriving at Sydney for a Battleshed comp (~2008?) and the Sydney guys were belting the steel floor panels back down again, after you and Andrew had test drove you robots and lifted several of them.
I also remember you trying to grind the bottom of your robot to give it more clearance.

Post Mon May 07, 2012 8:54 pm 
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Knightrous
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Joined: 15 Jun 2004
Posts: 8505
Location: NSW


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As per the BotBitz thread, I tested out the brushless drive in Schmackhed.
The lasted about a minute before the pinion gear began to slip Sad
I swear this robot is cursed to never have a drive train last longer them a few minutes >.>
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Post Sun May 20, 2012 2:23 am 
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Glen
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Joined: 16 Jun 2004
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You can tig them on to the shaft if its steel. Its good welding practice if nothing else Smile
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Post Sun May 20, 2012 2:51 am 
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Nick
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Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW


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That's disappointing news! If you know pitch of the pinnion, you could buy some pinnion wire fairly cheaply and make your own parts with a tighter bore. Making them longer than required helps as well and then you also have a unique part to sell on BotBitz.

Post Sun May 20, 2012 9:56 am 
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Knightrous
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Joined: 15 Jun 2004
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Location: NSW


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I'm going to try two quick backyard methods to fix it first.
First up I'm going to try peening the shaft with a pin punch to put a heap of rough points for the pinion to grip with, then apply some loctite and press the pinion on. If that still fails, I'm going to drill a 2mm hole through the pinion and shaft, then press a pin into it. If those both fail, I'll move onto buying pinion stock to fit the shafts better and look at welding or brazing onto the shafts.

Coolest thing about the brushless drive so far, it sounds like a flying car from Doctor Who Laughing
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Post Sun May 20, 2012 1:03 pm 
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Knightrous
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Joined: 15 Jun 2004
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Location: NSW


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As per this video



The pinion problem seems fixed for now. I have just had the second Turnigy Trackstar 150A ESC arrive, so I'll get onto testing out the brushless drive tonight!
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Post Thu May 24, 2012 3:19 pm 
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Knightrous
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Joined: 15 Jun 2004
Posts: 8505
Location: NSW


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Ah nope, pinion gears slipped on one side again...Will drill and pin them over the weekend as I don't have time to do them tonight. Was nice to drive with the brushless, controllers seem reasonable to use, all thought a full fwd to full reverse is still delayed, but very easy to just make the bot spin on the spot.
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Team Knightrous

Post Thu May 24, 2012 9:42 pm 
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Philip
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Joined: 18 Jun 2004
Posts: 3842
Location: Queensland near Brisbane


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What is your other ant?
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Post Mon Jun 04, 2012 11:00 am 
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Knightrous
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Joined: 15 Jun 2004
Posts: 8505
Location: NSW


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Another set of motors to try out in the wedge arrived today.
Turnigy H3736-1000Kv



They have 6mm shafts, so I will lathe them down to make a tight press fit for the pinion gears and hopefully avoid the hassles I've had so far. These motors will also bring the speed of the robot back towards the speeds of the brushed motor config. Will have a shot fitting them during the week and see if they are any good Smile
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Team Knightrous

Post Tue Jun 19, 2012 11:40 pm 
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