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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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homemade Crabbuggy
inspired by many buggyers who build this kind of buggy for many years now,
i took an old Libre V-Max and started cutting, grinding and welding.
and this is where i'm now..
all the URL's with pics linked to facebook expired, scroll down and to next pages for working pics an movies!!
this is a movie with all pics in it :click here
already found a second-hand skateboard to be used as a steering-board.
feel free to comment
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Randy
Posting Freak
Posts: 1899
Registered: 20-5-2014
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Thanks for posting the pictures. Keep up the good work and keep us posted!
NPW Test Pilot -US99
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Windstruck
Posting Freak
Posts: 3341
Registered: 16-5-2015
Location: St George, UT, USA
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Mood: Get in my buggy!
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Love seeing this! Please keep us posted as this great looking buggy continues to progress.
Born-Kites:
RaceStar+ (3.0m, 5.0m, 7.0m, 9.0m)
NasaStar-5 (2.5m, 4.0m)
NasaStar-4 (2.5m)
NasaStar-3 (3.2m)
Ozone kites:
Access (6.0m)
Flysurfer Kites:
Peak-5 (2.5m)
Buggy:
Peter Lynn BigFoot+ nose & tail; midsection VTT rail & seat kit; home-brewed AQR
NAPKA Member US2815
SWATK Member UT0003
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Randy
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Posts: 1899
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BTW - a youtube search of "Crab kite buggy" shows a lot of crab type designs. I had no idea this was such a popular buggy type. All were DIY from
what I could tell. There was even one at Wildwood.
NPW Test Pilot -US99
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Chook
Member
Posts: 141
Registered: 25-10-2009
Location: Esperance Western Australia
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Mood: I work at home from 8.00am to 12 knots
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Very well done.
Gotta love a bloke that thinks outside the square and repurposes what he has.
Look forward to the rest of the build.
Modified Sysmic S2 Buggys
7m R1
8m R1 2
11m R1
15m R1
15m Chrono 2
18m Chrono
18m ELF
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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I knew this existed but cruising @ the internet on many forums around the globe and youtubless ofcourse got me inspired.
And having an old V-max and 3 bigfoot full size laying around for years helps a lot.
i hope to finish before the end of this year including a test-drive.
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kteguru
Senior Member
Posts: 807
Registered: 15-3-2009
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Great work! Looking forward to seeing the finished project.
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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Randy
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Posts: 1899
Registered: 20-5-2014
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Wow you are really moving ahead rapidly. Must have put in some long hours.
NPW Test Pilot -US99
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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made a little progress:
pic 17
pic 18
pic 19
pic 20
being an outdoor-builder i'm hoping for more sun and less rain next week..
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RedSky
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Posts: 1758
Registered: 7-9-2009
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I must have missed this thread. Interesting project! Can't wait for the complete build and first run. Keep us up to date
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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the story continu's.....
contruction of the right wheelhub.
the left one is gonna be easier and take less time
because i just have to copy instead of desiging and measuring it 100 times
before cutting and welding..
the upright bar with al the holes is just for measurment and later on
used for the adjustable rail wich will hold the footplate.
pic 21
pic 22
pic 23
pic 24
pic 25
still hoping to test this Mad-Max Crab-creation before 2020,
but that's gonna be close.
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Randy
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Posts: 1899
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Thanks for posting the update. Looking forward to seeing it in action!
NPW Test Pilot -US99
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kteguru
Senior Member
Posts: 807
Registered: 15-3-2009
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Coming along nicely
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Juan
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Posts: 360
Registered: 13-2-2016
Location: Germany
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I hope to see you and your crabbuggy at Maasvlakte one time
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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MV2 is fantastic indeed.
CU there ASAP.
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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Made good progress today..
Produced the second wheelhub wich is a mirror-copy of the right-one.
The Crab is now all grown up to stand on it's own feet.. uhhh tires.
i'm really pleased with the outcome so far...
pic 26
pic 27
pic 28
pic 29
pic 30
pic 31
pic 32
pic 33
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Randy
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Posts: 1899
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It is really coming together. BTW - the links you have in your sig line show some pretty cool stuff.
NPW Test Pilot -US99
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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not being satisfied with the rear-wheel attachment i decided even before testing to change it,
this was also necessary for a better weight-ratio on each wheel.
before:
pic 1
after:
pic 34
pic 35
pic 36
pic 37
pic 38
next week the steering-axle's
@Randy: thanks
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Randy
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Posts: 1899
Registered: 20-5-2014
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It looks like you changed wheels as well - the original was red.
NPW Test Pilot -US99
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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nope, those are the wheels of the kitebuggy and was just to see how it looked.
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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Randy
Posting Freak
Posts: 1899
Registered: 20-5-2014
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Your dog seems to think it is already perfect.
NPW Test Pilot -US99
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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a little closer to the testride:
made 2 steering-axle's and reinforced the frame.
unfortunatly had to stop early because of the rain.
luckely my porch is big enough for parking and taking picture's
pic 43
pic 44
pic 45
pic 46
pic 47
testing in 2019 is likely..!!
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Windstruck
Posting Freak
Posts: 3341
Registered: 16-5-2015
Location: St George, UT, USA
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Mood: Get in my buggy!
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This chariot is truly taking form. I've been loving seeing the progression through pictures. BTW, I agree with Randy, the seat appears to be perfectly
"right sized". No need to continue beta testing the seat; go straight to production!
I have two nagging questions: first, how does the crab disassemble for transport and is that quite a labor of love; and, second, do the steering
linkages do anything to aid or deter from the buggy rolling straight without input on the footplate?
I guess I'm wondering if the tendency is for the buggy to roll straight or will it turn one way or the other when left to its own devices. I see
advantages and disadvantages to either occurrence. While riding I think I'd like a system that wants to go straight, but it sure would be nice if the
buggy turned upwind if left unattended in high winds.
Born-Kites:
RaceStar+ (3.0m, 5.0m, 7.0m, 9.0m)
NasaStar-5 (2.5m, 4.0m)
NasaStar-4 (2.5m)
NasaStar-3 (3.2m)
Ozone kites:
Access (6.0m)
Flysurfer Kites:
Peak-5 (2.5m)
Buggy:
Peter Lynn BigFoot+ nose & tail; midsection VTT rail & seat kit; home-brewed AQR
NAPKA Member US2815
SWATK Member UT0003
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
Member Is Offline
Mood: wind please!!
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@ Windstruck: on pics 7 and 8 you can see where i can 'split' the crab.
and as for the handling and wether or not the buggy goes in a straight line when i lift my foot of the board and if the buggy will turn when i want
to...
i've looked up every video and photo about a crab buggy and been reading on several forums
building-story's from people who build a crab and hope i didn't forget anything.
guess i'll have to wait and see @ the test..
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Randy
Posting Freak
Posts: 1899
Registered: 20-5-2014
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Please video the test if possible. I'm anxious to see it and think others are as well. I'm pretty impressed with what you have done. How did you
design it? That must have been a job in itself.
NPW Test Pilot -US99
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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like i wrote:
Searched for as many footage of other builders, mix it up and add my own flavour and knowledge of 15 years of
buggying to the recepy and pray for a perfect outcome...
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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the stage of trying my creaction has come, it was crappy wheater but
i am ready for testing the Crab.
it has become a little obese-crab since the scale gave a number slightly over 62 kg.
but my regular buggy with side-ride weighs 74 kg and that's without a passenger..
finished the steering today and tryed if it would fit on my Fiat Seiccento.
i allready made and imperial for the kitebuggy but this one fits even easier.
and to make some nice footage i bought a new actioncam.
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jantie
Senior Member
Posts: 644
Registered: 6-12-2006
Location: Rotterdam NL
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Mood: wind please!!
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and the first testrun is a fact:
handles perfectly, goes straight in a line when i lift my feet
of the board but also corners if i want it to.. :D
it was a little getting used to since the many km-ers i made in a 'normal' kitebuggy but i adjusted quite easely.
the only thing i am going to adjust is the setting of the board so the steering wil be a little less progressive, but not much...
and ofcourse i recorded the try-out:
upcoming monday the second run with other footboard setting.
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