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 Ripto-Beetleweight

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Alex P. HASD Bots
SenaiERI
rjw
Stephen
Lambo1
Will Bales
rdubard
Dan Curhan
Don Doerfler
Cody
jeeves_m_d
Frisco
Koolaid64
17 posters
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AuthorMessage
Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeThu May 05, 2011 12:12 am

nice, sounds like you should have some pretty nice equipment to play with
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Alex P. HASD Bots
great contributor
great contributor
Alex P. HASD Bots


People Skills : 4982
Registration date : 2011-03-30
Location : south west pa

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeThu May 05, 2011 2:12 pm

yep my mill isn't full size (about 2:3) size but still can do a descent amount of stuff on it- I did a lot of work for my bots team= which equals lots of long nights in the basement, any way back to your disk, did you offset center, and then use a rotary table to rotate and cut at a slow speed
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeThu May 05, 2011 2:43 pm

for the disc, first i made a design in my design program and played with the on hole size and location until i got the center of gravity in line with the spinning axis. after i did that i cut off a 3/8 wide piece from my 4.5" cro-moly round stock. i then popped that in a lathe and faced both sides down until it was 5/16" wide, plus i now have a finished surface to work with, then i pilot drilled then plowed a 1" bit through the center giving me my arbor hole. now for the funer parts, i made a fixture that fit inside the arbor hole of the disc and held it on center of the rotary table. i then cut exactly one half of the disc to a 3.25 dia. then i drilled my bolt circle and balancing hole. i then cut off the excess material on each side of the tooth with a band saw. i then cut up to each side of the tooth using the radius of the end mill to cut the radius on the tooth.


here is the on paper design, i takes a second to figure it out but everything you need to make it is there
Ripto-Beetleweight - Page 2 Bf
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Alex P. HASD Bots
great contributor
great contributor
Alex P. HASD Bots


People Skills : 4982
Registration date : 2011-03-30
Location : south west pa

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeThu May 05, 2011 3:03 pm

impressive Very Happy
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rdubard
mega contributor
mega contributor



People Skills : 5903
Registration date : 2009-06-10
Age : 59
Location : Ransom Everglades, Miami, FL

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeThu May 05, 2011 8:55 pm

Man, you are a genius--I would ONLY consider doing this with CNC, but you did it with much simpler tools.
Great work!
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeThu May 05, 2011 10:21 pm

thanks, it was fairly simple to. at least compared to the three tooth one, i only had to re-set it once and it popped right back into place thanks to the fixture. the one i made from ti was a pain, i spent like 20 mins resetting it to cut each tooth.
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rdubard
mega contributor
mega contributor



People Skills : 5903
Registration date : 2009-06-10
Age : 59
Location : Ransom Everglades, Miami, FL

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeFri May 06, 2011 4:27 am

Could it have been possible without the rotary table? Not that it matters, but I was just thinking that before we got the CNC, I had thought a rotary table would be a real help with the manual mill. I guess there's no reason to buy one now. . .
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeFri May 06, 2011 11:38 pm

not really sure how you would cut the radius without it, im sure you could change the design to straight cuts and have half a octagon on one side of the disc
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSat May 07, 2011 5:39 pm

the new Ripto is coming along nicely
Ripto-Beetleweight - Page 2 CIMG1169
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSat May 07, 2011 11:54 pm

got a tiny bit more done

Ripto-Beetleweight - Page 2 CIMG1174
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSun May 08, 2011 1:26 pm

the frame is now pretty much finished up. here is a comparison shot next to the old version

the current weight with weapon, drives, and battery is at 33oz witch is pretty sweet considering the weapon is 13oz of that
Ripto-Beetleweight - Page 2 CIMG1179
Ripto-Beetleweight - Page 2 CIMG1181
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSun May 08, 2011 1:38 pm

yup, a little HF mini mill and i also have a 9x20 lathe
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jtm94
great contributor
great contributor
jtm94


People Skills : 5350
Registration date : 2010-04-23
Age : 29
Location : Clairton, PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSun May 08, 2011 5:24 pm

Sweetness.
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Camden W
big contributor
big contributor



People Skills : 4891
Registration date : 2011-04-10
Age : 29
Location : Blaine Minnesota

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSun May 08, 2011 6:05 pm

lol, size comparisons to the computer as well XD
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Evan Steeves
great contributor
great contributor



People Skills : 5090
Registration date : 2011-02-05
Age : 33
Location : towson md

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeWed Jun 22, 2011 4:03 pm

Im excited to fight this! Very Happy
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeWed Jun 22, 2011 11:32 pm

im excited to finish it. should be another day or two if i work on it hard core
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSat Jun 25, 2011 8:42 pm

the ti motor cover is so hot

Ripto-Beetleweight - Page 2 CIMG1186
Ripto-Beetleweight - Page 2 CIMG1189
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Camden W
big contributor
big contributor



People Skills : 4891
Registration date : 2011-04-10
Age : 29
Location : Blaine Minnesota

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSun Jun 26, 2011 8:07 am

that looks menacing Shocked can i drive? tongue
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSun Jun 26, 2011 3:23 pm

arn't you working on your own bot?
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Camden W
big contributor
big contributor



People Skills : 4891
Registration date : 2011-04-10
Age : 29
Location : Blaine Minnesota

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSun Jun 26, 2011 3:39 pm

yes... Neutral
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Don Doerfler
super contributor
super contributor
Don Doerfler


People Skills : 5608
Registration date : 2009-12-24
Age : 29
Location : Plum,Pa

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSun Jun 26, 2011 4:25 pm

looks good
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https://www.youtube.com/user/DoerflerRobotics?feature=mhum
Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSun Jun 26, 2011 9:08 pm

perfect world math says ~16000rpm
real world, who cares, its hits poo hard

https://www.facebook.com/video/video.php?v=10150344371772067
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeSun Jun 26, 2011 9:34 pm

weapon safety, osha approved Ripto-Beetleweight - Page 2 CIMG1199
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Evan Steeves
great contributor
great contributor



People Skills : 5090
Registration date : 2011-02-05
Age : 33
Location : towson md

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeMon Jun 27, 2011 9:04 am

Now I need some wheel guards, any idea of the ke it makes?
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Koolaid64
mega contributor
mega contributor
Koolaid64


People Skills : 5899
Registration date : 2009-07-05
Age : 33
Location : PA

Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitimeMon Jun 27, 2011 11:52 am

haven't bothered to calculate, disc is 4.5" dia, ~12oz, at (with friction/drag/ and what not) ~14000rpm
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Ripto-Beetleweight - Page 2 Empty
PostSubject: Re: Ripto-Beetleweight   Ripto-Beetleweight - Page 2 I_icon_minitime

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