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thope

Cart building day!!!

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After many months of planning, the parts for my new cart have arrived! Can't wait to share picsfb0ae5572527edadf99c4f17956a9ef1.jpg

 

Sent from my SM-G935F using Tapatalk

 

 

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Actually the wheels are really light. One of the main reasons I built this was that my old cart had very small wheels and where a pain to get through the bush/gavel/sand, which I need to do a lot.

Sent from my SM-G935F using Tapatalk

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wheels very light partly because of the high quality tyres but quite thin rubber and vulnerable to punctures?

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Is the Cantar suspended from its central top plate? And does it slide easily forward for access? If so, nice little features ... and possibly the largest Cantar 3 accessory in existence!

J

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Very nice cart. I have thought a lot about in boarding the big rear wheels on a cart. Looks like a good design. What I don't see are handles in the back to tip and roll the cart. Are they TBD? Thanks for sharing.

CrewC

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not 8020...?   Also i like the low profile antenna masts and attachment points to the cart.  What hardware are you using to grab the antenna masts...?  

thank you for sharing-  very slick cart.

 

j

 

 

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Its not 8020 its by a company called Maytec. They're a German company but have a Branch in Australia. They have a brilliant design software called may-cad. Its super easy to work with, keeps a running tab on parts, cost and overall weight.

http://www.may-cad.org/en/p1.htm

The wheels are light because they're
to run at a low PSI for sand and gravel. As such it's nice thick rubber as well.

The Cantar is suspended via a Ronford Baker style camera quick release. This makes going to bag mode quick and easy. The sliding mechanism has been a real pain, but I think I've worked it out now.

812136f9adf11df91374534970bd8481.jpgb2e311b52b05a4330e04ae5e1f448ebf.jpg

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All side panels have a quick release pin, making easy access to the interior.bcfa48822aca904747b794b61c9471ce.jpg

 

20170706_142149.jpgI've got a big handle for the back and small handles for the sides, just haven't installed them yet4841b2b9bef46ef0a1326c56fd35a49f.jpg
 

20170706_142253.jpg

The antenna mast and mounting hardware are made by chinhda df8ea394c1293efbc4fb93b70dd648bf.jpg

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If you're in Australia, what was the ball park cost on the frame components (not the wheels or Chinhda bits)


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Well thought-out and elegant. 

I would be interested in a report on the stability of your inboard wheel configuration. I would favor a wider stance but all is good if it works for you. 

David

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The inboard wheel design was for 2 reasons. Making it narrow enough for easy access through doors was the first. With the fat tyres, over all width would have been over 700mm. However the main reason was due to how I transport the cart. I dont have a van, I drive a ute (what you guys call a pickup truck) and so space is limited. With my follow cart in the back, I had very limited width for the main cart.

 

I've found it to be very stable. The only negative is that the tipping point seems off. While my old cart was 4 times as heavy, tipping it onto the back wheels for moves was really simple. This cart feels like the weight is too far in the front half.

 

 

 

 

 

 

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Thanks for the May-cad link ... although I have absolutely no reason to build a cart myself!

And it may have been a bugger but you did a sweet job with that sliding bar trick.

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On 05/07/2017 at 9:05 PM, Matthias Richter said:

looks good. and yes big wheels are a must for beach locations. btw using the same LiFeYPo4 batteries myself

Fantastic job @thope! You may wish to consider this style of front caster as these are a popular upgrade on our carts.

 

19702831_814629942036701_6218328841101929065_o.jpg

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48 minutes ago, Matt Bacon AMPS said:

Fantastic job @thope! You may wish to consider this style of front caster as these are a popular upgrade on our carts.

 

19702831_814629942036701_6218328841101929065_o.jpg

Oooo! Them's nice.

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On 06/07/2017 at 7:33 AM, thope said:

I've got a big handle for the back and small handles for the sides, just haven't installed them yet4841b2b9bef46ef0a1326c56fd35a49f.jpg

I would highly recommend extending the depth of your handle (if you are not already doing this!) so match the depth of the wheels. By having them perfectly aligned they are easier to push (as you are not leaning forward over the wheels), they are more secure during transport (as they can be tightly ratchet strapped to the side of a van so won't move around as much), if you incorporate wheels they can wheel into vehicles on their back (not necessary if you own a van though and can transport it upright all the time).

Did you engineer the holes yourself or did they do it for you?

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Thanks for all your kind words!
I've had some significant problems to solve but im definitely making progress. I've had to change the location of the axel which made the overall distribution of weight better. It still feels stable and has a nice balance when it's tipped on its back wheels for transport.

Matt, I really like those front castors. Maybe I'll see how things go after working with it for a while.

The handle is the width of the trolley. Here it is in position for a sense of perspective.

Just waiting on a few custom parts from the fabricator before I can get the gear in.  

All the aluminium extrusion came cut and ready to put together. Ive had to do a few small machining jobs to fix problems and I built and threaded the steel rod which makes the axel.

Sent from my SM-G935F using Tapatalk
 

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