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Post up a thread for your EV. Progress pics, description and assorted alliteration
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EV2Go
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EV2Go's - Lithium Powered Trike

Post by EV2Go » Sat, 05 Feb 2011, 17:29

:?:
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Post by EV2Go » Sat, 05 Feb 2011, 22:29

:?:
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Post by EV2Go » Sat, 05 Feb 2011, 22:54

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Post by EV2Go » Sat, 05 Feb 2011, 23:15

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Post by GRMarks » Sun, 06 Feb 2011, 02:05

EV2Go with yoyr tike so low how will it tilt ? I don't see ant pivot points in the frame anywhere so I assume the whole frame will tilt.
Regards

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Post by EV2Go » Sun, 06 Feb 2011, 03:18

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Post by EV2Go » Sun, 06 Feb 2011, 05:09

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Post by Electrocycle » Sun, 06 Feb 2011, 17:52

even if the shocks go vertical, you could just have a small cutout in your battery pack area for them.
Are you putting batteries behind the diff too?
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Post by EV2Go » Sun, 06 Feb 2011, 18:43

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Post by EV2Go » Fri, 11 Feb 2011, 16:29

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Post by EV2Go » Fri, 11 Feb 2011, 22:36

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Post by EV2Go » Mon, 14 Feb 2011, 17:21

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Post by T1 Terry » Mon, 14 Feb 2011, 17:41

I've worked with taper locks in heavy industry. We used them to hold the pinion gears on the hydraulic motors to drive the winch drum and luffing drum for some of the smaller site cranes, up to around 22 tonne lift from memory. Also used a lot for drive couplings. I can't give you any specs for grip area required unfortunately, every thing in heavy industry is over build by a large margin to cover everyone’s butt. I know they are an absolute pain in the butt to tension up. Criss-cross tensioning around and around till there is no more tension to be had on any of the grub screws. Have a cup of coffee and start again. You can't rush it or take any short cuts because the taper lock will bind and then the whole thing needs to come apart again, polish off the nicks and start again. Oh what fun but done properly they don't slip.
The bearing mobs will have a techo bloke who can give you all the min requirements surely.

T1 Terry
EDIT: for atrocious spelling
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Post by EV2Go » Mon, 14 Feb 2011, 22:43

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Post by EV2Go » Wed, 23 Feb 2011, 05:36

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Post by woody » Wed, 23 Feb 2011, 17:00

Planned EV: '63 Cortina using AC and LiFePO4 Battery Pack

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Post by EV2Go » Wed, 23 Feb 2011, 20:55

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Post by EV2Go » Thu, 24 Feb 2011, 03:00

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Post by Speedily » Thu, 24 Feb 2011, 03:04

you dont have to keep them in one box

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Post by EV2Go » Thu, 24 Feb 2011, 03:31

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Post by EV2Go » Thu, 24 Feb 2011, 03:46

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Post by woody » Thu, 24 Feb 2011, 19:08

Hi EV2Go,

the 40160S are 500g, 40mm x 160mm cylinders
Deliver up to 160amps at 2.4V (384 Watts)
16 Ah capacity, 70-80% usable.

the 38120P are 330g, 38mm x 120mm cylinders
Deliver up to 160amps at 2.4V (384 Watts) - i.e. the same amount
8 Ah capacity, 70-80% usable. (half the amount)

So for about 60% of the cost, 66% of the weight + size, you can get the same power output, but only for half as long.

Or, another way, 10% cheaper, same size + weight, you can get 50% more power, 25% less range.

cheers,
Woody
Planned EV: '63 Cortina using AC and LiFePO4 Battery Pack

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Post by EV2Go » Fri, 25 Feb 2011, 08:00

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Post by Adverse Effects » Fri, 25 Feb 2011, 21:10

why not use flanges and a disk brake off a small car

you have to remember the braking will be multiplied by the diff ratioImage

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Post by Speedily » Fri, 25 Feb 2011, 21:14

the braking load would be divided by the dife ratio not multiplied. a small point :-)

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