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Help!!!!
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royzo



Joined: 30 Jun 2016
Posts: 17


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Help!!!!

Hello,
Whether www.robotmarkerplace.com is a safe site to order motors?
Please let me know if any problem.
Thank you.

Post Wed Jul 06, 2016 10:58 pm 
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Rotwang
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Joined: 15 Jun 2004
Posts: 1576
Location: Vic


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Yes but check out.

https://www.motiondynamics.com.au/

If they have something suitable there faster and cheaper.
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Post Wed Jul 06, 2016 11:17 pm 
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maddox



Joined: 21 Dec 2006
Posts: 758
Location: Belgium


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www.robotmarketplace.com should work better

And yes, Robotmarketplace is a know value.

Post Thu Jul 07, 2016 1:23 am 
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Rotwang
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Joined: 15 Jun 2004
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Location: Vic


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Think I made 2 assumptions that were wrong. The incorrect spelling in the link.

The other was royzo's location, hence my recommending Australian supplier.

I later checked royzo's profile, no location listed.

Today I notice a new featherweight entry.

Dar

Team
Everest
(Kathmandu, Bagmati, Nepal



So I am probably wrong again but if not I am happy to help.

Just wondering what motors your looking for?
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Post Sun Jul 10, 2016 11:08 am 
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Nick
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Joined: 16 Jun 2004
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Location: Sydney, NSW


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Royzo is building a 30Kg Indian equivalent to a lightweight. I get the impression he wants to one-up Rust In Peace, a legendary Indian bot https://www.facebook.com/riprobot The big problem for all Indian builders is the exchange rate, making internationally sourced parts hugely expensive. The other problem is that none of them trust cheap Chinese sites like Aliexpress - I didn't either until recently Smile
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Post Sun Jul 10, 2016 12:02 pm 
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marto
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Joined: 08 Jul 2004
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Location: Brisbane, QLD


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Shipping from Australia isn't too bad if you need parts here. Only issue is things like motors get heavy very quickly.

Steve
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Twisted Constructions
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Post Sun Jul 10, 2016 12:58 pm 
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royzo



Joined: 30 Jun 2016
Posts: 17


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Recently I saw new site in INDIA where they sell All kind of combat robotic motor which are heavily used.
www.robu.in

Post Sun Jul 10, 2016 1:15 pm 
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Rotwang
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http://robu.in/product-category/motor/ampflow-motor/


An Indian Minotaur lightweight . No problem looks like the shops open.
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Post Sun Jul 10, 2016 1:42 pm 
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Nick
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Good find, but the mark-up is huge Shocked. The F30-400 motor that Royzo wants to use on the weapon is $415 USD on that site and only $259 USD from the RMP.
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Post Sun Jul 10, 2016 2:43 pm 
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marto
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Well shipping/import/handling that isn't that unreasonable. Air freight on 4kg for one of those motors would be almost $100USD.
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Twisted Constructions
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Post Sun Jul 10, 2016 2:54 pm 
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royzo



Joined: 30 Jun 2016
Posts: 17


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I think $415 after shipping through Fedex.

Post Sun Jul 10, 2016 3:01 pm 
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marto
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Yeh sounds about right they are probably just acting as a middle man for Robotmarketplace so might be more painful but slightly cheaper to go direct.

Is this for Nationals in Canberra or local comp?

Steve
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Twisted Constructions
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Post Sun Jul 10, 2016 3:40 pm 
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royzo



Joined: 30 Jun 2016
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Right now local comp. #steve

Post Sun Jul 10, 2016 9:36 pm 
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royzo



Joined: 30 Jun 2016
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Can we use e-bike motor controllers for combat robotics because it has built in brake mode.

Post Sun Jul 10, 2016 9:37 pm 
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Nick
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Location: Sydney, NSW


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Most (probably all) robot controllers have braking. An e-bike ESC would be OK but only if it has reverse and can switch from forward to reverse without a delay. The reason we don't often use R/C car ESCs is that they are not really designed to drive backwards and I imagine that e-bike controllers are the same. I would definitely read the manual very carefully before buying one.
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Post Sun Jul 10, 2016 9:50 pm 
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