pololu HP motors

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olivers
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pololu HP motors

Post by olivers » Thu Feb 24, 2011 6:00 pm

Hi, does anyone have a decent place to buy the 30:1 and 50:1 HP motors. Robotbits.co.uk keeps giving me a SQL error and technobots seem expensive.

Thanks

josh
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Post by josh » Tue Apr 12, 2011 3:17 pm

these may not be the high power motors but they are the same style and half the price:
http://cgi.ebay.co.uk/6V-300RPM-Torque- ... 3366bf48bd
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peterwaller
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Post by peterwaller » Tue Apr 12, 2011 3:45 pm

Great find Josh I had been looking for a chinese supplier for some time as they are all made out there but never found one and eventually gave up.
These are less than half price even if you get caught for import duty. Unfortunately they don't quote torque so I will see if they compare exactly with any of the ranges in my chart on speed and voltage.
http://www.antweightwars.co.uk/MotorSpecs2.pdf

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Post by josh » Tue Apr 12, 2011 3:52 pm

I think they say anything below a marked value of 7 gbp doesn't get taxed at all so a pair of motors should be okay. there were a couple other suppliers selling motors at 5 pound each but that seller had the highest range of gear ratios. I had a sponsor in china once who produced the exact motors precision micro drives sell and I was going to buy I think it was 20 motors for 10 pounds or something silly but I'm not sure what happened. the problem is they only tend to deal with companies so you have to pay them on professional overseas banking methods that aren't worth the hassle.
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peterwaller
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Post by peterwaller » Tue Apr 12, 2011 6:37 pm

I just looked it up on line and the limit before taxes are liable is ?18.
I have just ordered 4 at ?14.36 which comes to ?20.33 with postage so just over ?5 each.

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Post by haz » Tue Apr 12, 2011 7:12 pm

i will be buying some of them then!

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Jonny
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Post by Jonny » Tue Apr 12, 2011 8:16 pm

snap :)
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peterwaller
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Post by peterwaller » Thu May 05, 2011 8:52 am

Motor gearboxes arrived just 3 weeks which is not bad from china.
Just tried them out and they seem OK running on 7.5v I cant hold the shaft stationary with my fingers.
They draw 100ma off load and about 500ma as near to stall as I can get them with my finger and thumb.
No problem with Duty either so that helps.

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Jonny
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Re: pololu HP motors

Post by Jonny » Tue Oct 04, 2011 7:35 pm

me and harry ordered 10 of these and as i wanted to get them into a bot before rr maidstone we went for the posh shipping option. Rather annoyed at the moment as have received a 30 amp speed controller addressed to "ingolf rudat" in germany in a dhl 'security checked' package. i expect it was dhls fault not the sellers but still very annoying :evil:
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Re: pololu HP motors

Post by haz » Tue Oct 04, 2011 8:47 pm

yeah what a anoyance that is, hopefully we can sort it out soonish :-?

kickboxer
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Re: pololu HP motors

Post by kickboxer » Tue Oct 11, 2011 4:47 pm

ingof rudats my cousin!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
no joke :o

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Geearofwar
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Re: pololu HP motors

Post by Geearofwar » Wed Dec 07, 2011 5:32 pm

Is postage included in the Import duty limit? I was hoping to get 4 of these motors but I wasn't sure if i'd be taxed on it. Sorry for the post on an old thread, Cheers.
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Re: pololu HP motors

Post by ajw » Fri Dec 09, 2011 10:14 am

Here's HMRC's guide for royal mail/parcel force if you haven't already seen it:

http://customs.hmrc.gov.uk/channelsPort ... P142_10261

The tax free limit changed from £18 to £15 in November.

I'm still not entirely sure if shipping is included though as in 2.3 it states:

an intrinsic value not exceeding £15, will not be charged any duty or VAT

and then in 3.1:

goods over £15 in value, and on gifts that are over £40 in value. The value of the goods for import VAT is based on the:

■basic value of goods, plus
■postage, packing and insurance

Judging from that I'd say £15 including postage, though I'm not sure about their use of the word 'intrinsic'.

I've heard a lot of people not getting caught by customs, but if you do, especially for low value goods, the handling fees will probably cost substantially more than the tax itself!

Sorry that probably wasn't much help, but I would also be interested in hearing about other people's experiences!

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Re: pololu HP motors

Post by peterwaller » Thu Feb 16, 2012 7:23 pm

Just bought some of the next size motor from the ebay man for a possible new mini sumo.
They look rather nice the only real problems are they are 51.5mm long and only 160 rpm at 6V.
here is a comparison shot.
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Re: pololu HP motors

Post by Andrew_Hibberd » Thu Feb 16, 2012 9:33 pm

Whats the torque like on those pete?

Also have you seen these motors and wheels?

http://www.fingertechrobotics.com/prodd ... heels-1125
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