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Hairyloon
Joined: 20 Nov 2008
Posts: 14893
Location: Today I are mostly being in Yorkshire.
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Tavascarow
Joined: 06 Aug 2006
Posts: 8406
Location: South Cornwall
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 Posted: Thu Nov 26, 15 5:42 pm Post subject: |
 
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A pedal powered hoe would be a better description. Useful on a large market garden, especially if you can change the hoe for a multi row drill but tractor it isn't.
I still want one though.  |
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Tavascarow
Joined: 06 Aug 2006
Posts: 8406
Location: South Cornwall
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| Posted: Thu Nov 26, 15 5:44 pm Post subject: |
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One of these would be more fun though. |
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dpack
Joined: 02 Jul 2005
Posts: 33528
Location: yes
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| Posted: Thu Nov 26, 15 6:21 pm Post subject: |
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a strong human can put out about a horse power on a bicycle for a reasonable time ,maybe 30 mins .
my chainsaw puts out several times more all day and i would not use it's engine to build a tractor
medium sized tractors use about 75 hp which is plenty with good gearing
i want to see that thing mole plough hard clay |
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Hairyloon
Joined: 20 Nov 2008
Posts: 14893
Location: Today I are mostly being in Yorkshire.
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| Posted: Thu Nov 26, 15 6:23 pm Post subject: |
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| Tavascarow wrote: |
| I still want one though. |
If you're really keen, I'm sure we can arrange to have one built for you... |
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Hairyloon
Joined: 20 Nov 2008
Posts: 14893
Location: Today I are mostly being in Yorkshire.
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| Posted: Thu Nov 26, 15 6:35 pm Post subject: |
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| dpack wrote: |
| a strong human can put out about a horse power on a bicycle for a reasonable time ,maybe 30 mins . |
I don't think so. There's a reason why it is called horse power |
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dpack
Joined: 02 Jul 2005
Posts: 33528
Location: yes
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| Posted: Thu Nov 26, 15 7:14 pm Post subject: |
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numbers
from practical experience it takes 4 keen cyclists to power a 1.25 kva pa system and charging 12v lead acid batteries with a military grade pedal crank generator is horrible hard work
if that was a tractor built for two dozen it might work for light stuff if it did not sink into the earth . |
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Jam Lady
Joined: 28 Dec 2006
Posts: 1828
Location: New Jersey, USA
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| Posted: Thu Nov 26, 15 8:12 pm Post subject: |
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Perhaps you would like steam power instead?
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john of wessex
Joined: 18 Jun 2007
Posts: 2118
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| Posted: Thu Nov 26, 15 8:18 pm Post subject: |
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Now we are talking! |
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Hairyloon
Joined: 20 Nov 2008
Posts: 14893
Location: Today I are mostly being in Yorkshire.
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| Posted: Thu Nov 26, 15 8:31 pm Post subject: |
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| dpack wrote: |
numbers
from practical experience it takes 4 keen cyclists to power a 1.25 kva pa system and charging 12v lead acid batteries with a military grade pedal crank generator is |
Seems to concur with the numbers in the link.
| Quote: |
| if that was a tractor built for two dozen it might work for light stuff if it did not sink into the earth . |
Or perhaps the thing to do is build a bicycle for a horse... |
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Ty Gwyn
Joined: 22 Sep 2010
Posts: 3980
Location: Lampeter
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| Posted: Thu Nov 26, 15 8:45 pm Post subject: |
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| Hairyloon wrote: |
Or perhaps the thing to do is build a bicycle for a horse... |
Why not just get a good Horse,
That contraption is virtually useless if there is any gradient in your field. |
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Rob R
Joined: 28 Oct 2004
Posts: 31902
Location: York
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| Posted: Thu Nov 26, 15 9:05 pm Post subject: |
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| Ty Gwyn wrote: |
| Hairyloon wrote: |
Or perhaps the thing to do is build a bicycle for a horse... |
Why not just get a good Horse,
That contraption is virtually useless if there is any gradient in your field. |
I can't see it turning the baler, either. |
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Tavascarow
Joined: 06 Aug 2006
Posts: 8406
Location: South Cornwall
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| Posted: Thu Nov 26, 15 9:28 pm Post subject: |
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| Rob R wrote: |
| Ty Gwyn wrote: |
| Hairyloon wrote: |
Or perhaps the thing to do is build a bicycle for a horse... |
Why not just get a good Horse,
That contraption is virtually useless if there is any gradient in your field. |
I can't see it turning the baler, either. |
I doubt I would struggle peddling it up my steepest field but I've been cycling full time for about eight years now.
It's only scraping the surface & the hoes are spring loaded so not a huge resistance.
Rob you could always do what the Amish do. But even with Sir Chris Hoys legs you wouldn't pull it round the field. Dont think those little disc brakes would hold you downhill either. |
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Hairyloon
Joined: 20 Nov 2008
Posts: 14893
Location: Today I are mostly being in Yorkshire.
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| Posted: Thu Nov 26, 15 10:15 pm Post subject: |
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It does have power assistance: not just pedals. |
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Rob R
Joined: 28 Oct 2004
Posts: 31902
Location: York
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| Posted: Thu Nov 26, 15 11:22 pm Post subject: |
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| Tavascarow wrote: |
| Rob R wrote: |
| Ty Gwyn wrote: |
| Hairyloon wrote: |
Or perhaps the thing to do is build a bicycle for a horse... |
Why not just get a good Horse,
That contraption is virtually useless if there is any gradient in your field. |
I can't see it turning the baler, either. |
I doubt I would struggle peddling it up my steepest field but I've been cycling full time for about eight years now.
It's only scraping the surface & the hoes are spring loaded so not a huge resistance.
Rob you could always do what the Amish do. But even with Sir Chris Hoys legs you wouldn't pull it round the field. Dont think those little disc brakes would hold you downhill either. |
The Amish are a special breed.  |
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