Forum: Construction Equipment
10-04-2012, 12:53 PM
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Replies: 64
Views: 48,047
Re: CAT 963 Full Hydraulic Build
i use this http://www.halfords.com/webapp/wcs/stores/servlet/product_storeId_10001_catalogId_10151_productId_220545_langId_-1_categoryId_255207#tab1
works well enough
[edit] its iso32
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Forum: Construction Equipment Tech
09-22-2012, 05:12 AM
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Replies: 1
Views: 1,653
Back wheels bigger than front wheels? rpm question
So i know if you drive a tractor down the road in 4wd eventually the axle explodes because the wheels are difference sizes and 1 axles is pushing the other because theres so much traction on tarmac. ...
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Forum: Farm Tractors and Implements
09-07-2012, 12:59 PM
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Replies: 33
Views: 12,577
Re: apache 710
thats going to be quite a beast, where did you source the tyres for it? are they imex duallys?
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Forum: Construction Equipment Tech
09-07-2012, 12:44 PM
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Replies: 8
Views: 5,373
Re: cheap pneumatic cylinders
this type CHLED http://www.ebay.co.uk/itm/MAL-16-x-50-Single-Rod-Doulbe-Action-Pneumatic-Cylinder-/290763005712?pt=LH_DefaultDomain_3&hash=item43b2d35f10
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Forum: Construction Equipment Tech
09-06-2012, 01:47 PM
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Replies: 8
Views: 5,373
cheap pneumatic cylinders
So there is not a lot of info around about using these for hydraulics in models so i though i would share my findings, there is no wiper seal on them it seems as though there is a sleeve of some sort...
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Forum: Construction Equipment
08-31-2012, 04:07 PM
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Replies: 171
Views: 80,239
Re: Another Tigercat...
nice reg, your metal work on the blade looks amazing, i just re-read the thread and saw your tires are nearly 8inches tall but watching the vid it steers so easily, do you have any pics of your...
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Forum: Construction Equipment Tech
08-23-2012, 07:09 PM
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Replies: 16
Views: 7,416
Re: its time to build! please, your help.
what model are you going to build? you should decide and also in what scale then go to the manufacturers website download the brochure then use the scale calc website http://jbwid.com/scalcalc.htm to...
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Forum: Construction Equipment Tech
08-22-2012, 03:05 PM
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Replies: 5
Views: 2,400
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Forum: Construction Equipment Tech
08-20-2012, 05:42 PM
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Replies: 5
Views: 2,400
Re: Radio transmitter and receiver
Hi, it should work normally plug your throttle esc into channel 3, what radio do you have? if its airplane then does it have a ratchet on the throttle stick?
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Forum: Construction Equipment
08-18-2012, 06:53 PM
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Replies: 27
Views: 13,875
Re: 1/12 John Deere 870G
couple more videos, doesnt dig very well the soil is heavy and sticks to the teeth, also i think my bucket geometry is slightly wrong
http://www.youtube.com/watch?v=IaFfVZTRV0c...
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Forum: Construction Equipment
08-18-2012, 04:39 PM
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Replies: 503
Views: 408,328
Re: CAT 374D L
looks really nice, how much does your undercarriage weigh?
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Forum: Construction Equipment
08-17-2012, 11:11 AM
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Replies: 27
Views: 13,875
Re: 1/12 John Deere 870G
Reg i tested a bit more today it dragged itself across concrete no problem but on grass it just stalls the stick, according to my calculation the motor shouldnt run any faster than 4200 unloaded on a...
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Forum: Construction Equipment
08-16-2012, 03:03 PM
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Replies: 27
Views: 13,875
Re: 1/12 John Deere 870G
hydraulic test
http://www.youtube.com/watch?v=h3vfs7y4cEA
http://www.youtube.com/watch?v=YMDPbLjHOt0
running at 28bar it wont drag itself with the stick not sure if it should?
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Forum: Construction Equipment
08-08-2012, 03:26 PM
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Replies: 27
Views: 13,875
Re: 1/12 John Deere 870G
nearly finished, i am missing the bucket cylinder that will hopefully arrive this week, just needs a coat of paint and some tidying done then can install the plumbing.
Caution images contain...
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Forum: Electronics tech
08-04-2012, 10:52 AM
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Replies: 3
Views: 1,828
Re: Radio help needed!
send it back, not sure about horizon in the states but in the uk if you send something to them its usually back within 2-3days and repaired for free
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Forum: General Discussion
07-29-2012, 04:40 PM
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Replies: 7
Views: 1,708
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Forum: Construction Equipment Tech
07-28-2012, 01:31 PM
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Replies: 0
Views: 2,054
Direct drive brushless motor for pump
Will this motor be suitable? http://www.giantshark.co.uk/c506509-kv270-p-407464.html
not sure if my calculation is correct but 4s lipo charged = 16.8x270kv = 4536 -10% lost for motor effeciency =...
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Forum: Construction Equipment
07-24-2012, 06:40 AM
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Replies: 171
Views: 80,239
Re: Another Tigercat...
Didnt realise how big it was until i saw it pulling the fence post, that looks really good, it should pull even easier once you have the front end in the grab.
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Forum: Construction Equipment Tech
07-10-2012, 03:16 PM
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Replies: 11
Views: 5,359
Re: Hydraulic Question
where are you getting valves made for 250 quid? depends how scale you want it to look i guess, my boom cylinders are 16mm and my stick is 20mm
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Forum: Construction Equipment Tech
07-10-2012, 07:55 AM
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Replies: 11
Views: 5,359
Re: Hydraulic Question
Hi, its going to have wheels?
1.rc4wd do a pump for 129$ or you can get a jung from germany i emailed them in feb and they quoted 74euro + tax and shipping for 0.30cc pump so can get it delivered...
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Forum: General Discussion
06-29-2012, 05:15 PM
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Replies: 1
Views: 1,044
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Forum: Construction Equipment Tech
06-11-2012, 02:52 PM
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Replies: 6
Views: 4,563
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Forum: Construction Equipment
06-11-2012, 02:29 PM
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Replies: 27
Views: 13,875
Re: 1/12 John Deere 870G
Bobcat : about 250quid maybe not counting the valve block, but thats including motors bought by mistake would be cheaper if i knew what i was doing.
Had a go at making a cab over the weekend,...
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Forum: Construction Equipment Tech
06-11-2012, 02:09 PM
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Replies: 6
Views: 4,563
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Forum: Construction Equipment Tech
06-10-2012, 04:08 PM
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Replies: 6
Views: 4,563
Home made hydraulic cylinders?
So has anyone made some and want to share some ideas? I found a place that sells honed tube and chrome rod but unsure on what to make the piston out of, how deep to cut the grooves for the seals and...
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