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Tim - Team Reaper - Vic
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timmeh
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Joined: 20 Jul 2004
Posts: 2523
Location: Victoria


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The only thing is they need a good 12-1 ish gearbox.
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Tim Team Reaper.

Post Mon Jul 27, 2009 5:20 pm 
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timmeh
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Joined: 20 Jul 2004
Posts: 2523
Location: Victoria


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Found 18v 550 motors with metal end caps>

http://cgi.ebay.com.au/Lot-of-4-units-18V-DC-Motor-NEW-18-0V-K-42279298_W0QQcmdZViewItemQQ_trksidZp3911Q2ec0Q2em14QQhashZitem3ca0a9ffd8QQitemZ260393533400QQptZLHQ5fDefaultDomainQ5f0QQsalenotsupported

They arrived in the mail today finally lol they work out about $13au each which is better then $40 for a dse drill if you only need the motors Shocked

I wacked them on my baneboxes for a quick test they look like they are standard 550 motor rpm i had one gearbox with the dse and one with the new motor and the wheels seemed to spin the same speed but i will borrow works rev counter again and post the end rpm from a 16:1 banebox on 6s a123 which then i can also work out the motor rpm.

But they will make perfect cheap drive motors for Reaper Very Happy
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Tim Team Reaper.


Last edited by timmeh on Thu Jul 30, 2009 6:42 pm; edited 2 times in total

Post Thu Jul 30, 2009 6:07 pm 
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shreddy



Joined: 09 Jan 2009
Posts: 518
Location: Wantirna, Melbourne


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awesome, just the thing in case i blow up a pair Laughing
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Post Thu Jul 30, 2009 6:08 pm 
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timmeh
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Joined: 20 Jul 2004
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Location: Victoria


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Bargain i think Very Happy
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Tim Team Reaper.

Post Thu Jul 30, 2009 6:09 pm 
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shreddy



Joined: 09 Jan 2009
Posts: 518
Location: Wantirna, Melbourne


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"Item location: Sydney, New South Wales, China "
Laughing
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Post Thu Jul 30, 2009 6:11 pm 
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timmeh
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Joined: 20 Jul 2004
Posts: 2523
Location: Victoria


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Progress today altho very hungover from my mates 21st last night and into this morning 10 cheesburgers later and some red bull i managed to weld most of reapers frame.

First off welding gal = FUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU and + hangover = 2x FUUUUUUUUUUUU lol

Second i cant post pics till i find the camera charger lol so pics pending but there should be a little reaper running around in the next week when i get some moneys for an esc.

Weight wise i weighed everything but the frame and added a 500g buffer which gave me 6.3kgs for a frame so far im up to 5.1kgs and it only needs some small bits welded on then some cut off soo i should be right weight wise i just hope there is enough for a paint job Very Happy
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Tim Team Reaper.

Post Sun Aug 02, 2009 7:05 pm 
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timmeh
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Joined: 20 Jul 2004
Posts: 2523
Location: Victoria


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Finally found the camera cable so heres some pics of the frame about 60% completed Very Happy and some wheels and blade just so you can get an idea of how its gonna look.

It starts Shocked









Reapers drives.



I noticed the hubs once you do up the grub screws they stick out which means the wheels don't slide over which is a design error on banebots behalf so i had to key the hex in the wheel so they would slide over the screws>













srimec motor which will prob be mounted between the two top forks to the front just before the disc.



All electronics and battery will fit into a 125x100x85mm box between the drives Cool

Looking good so far man its been a while.
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Tim Team Reaper.


Last edited by timmeh on Mon Aug 03, 2009 9:49 pm; edited 2 times in total

Post Mon Aug 03, 2009 9:29 pm 
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dyrodium
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Joined: 24 Aug 2004
Posts: 6476
Location: Sydney


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Awesome! Spin that disk hard and it'll be a pretty mean and strong little bastard. Laughing
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Post Mon Aug 03, 2009 9:33 pm 
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timmeh
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Joined: 20 Jul 2004
Posts: 2523
Location: Victoria


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LoL the only box i could find was from work its like 3.5mm thick the frame is already a solid brick and i still need to weld in motor mounts and support brackets Very Happy

I was going to have a ali base plate but i worked out if i use some L section it will use half the weight and stiffen the frame at the same time also leaving one less thing that can come loose.

Will prob do some more on the weekend i might have to go down to yarra valley steel and ask if i can raid there little offcut box as i need to build up a collection of odd bits of steel so i can experiment more with diff shapes and ideas.
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Tim Team Reaper.

Post Mon Aug 03, 2009 9:35 pm 
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Knightrous
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Joined: 15 Jun 2004
Posts: 8509
Location: NSW


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quote:
I noticed the hubs once you do up the grub screws they stick out which means the wheels don't slide over which is a design error on banebots behalf so i had to key the hex in the wheel so they would slide over the screws>


Actually, I believe it's design so if you drill a small hole into the shaft, the grub screws get a better bite and also sit flush with the hub. This not only locks the wheel on better, but stops the grub screws coming loose Smile
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Post Mon Aug 03, 2009 11:38 pm 
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timmeh
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Joined: 20 Jul 2004
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Location: Victoria


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Yer didn't think of that at the time ey lol most of the time the grub screws just bite in.
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Tim Team Reaper.

Post Tue Aug 04, 2009 7:54 am 
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timmeh
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Joined: 20 Jul 2004
Posts: 2523
Location: Victoria


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More progress almost done.
Just ran short of angle so i could not finish the motor mounts.







SOLID!!! Im very very happy with how it has come out it looks nuts!
I want it finsihed so i can paint the bloody thing lol but need to get some more steel.
I cant believe i managed to fit all the elect's batts and srimec motor into the center square lol
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Tim Team Reaper.

Post Sat Aug 08, 2009 4:53 pm 
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Collo



Joined: 06 Apr 2008
Posts: 130


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Niice, it all looks fairly solid.
Cant wait til schools over so i can get a job and start building again.
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Post Sat Aug 08, 2009 9:38 pm 
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Nick
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Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW


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That's some very pretty welding, looks like the core of a tough bot Smile

Post Sat Aug 08, 2009 11:00 pm 
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shreddy



Joined: 09 Jan 2009
Posts: 518
Location: Wantirna, Melbourne


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me likey them wheels Cool
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Post Sun Aug 09, 2009 11:08 am 
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