Spoke stand..

General Discussion about electric bicycles.
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Ypedal   100 GW

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Spoke stand..

Post by Ypedal » Oct 13 2007 3:40pm

Lacing a hub motor can be a challenge, with the weight of the thing and all.

Last night i put this together from parts around the house/garage.

It's not very stylish but gets the job done !!!
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Ypedal   100 GW

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Post by Ypedal » Oct 13 2007 3:43pm

I drilled a hole in the 4 x 4 to insert the motor axle, then screwed a piece of 2x4 to the 4x4 and screwed that to the bottom lamp table..

There are many ways to lace a wheel, but presonally i like to drop all the spokes into the hub then conect them to the rim.

One hub flange at a time, lace the spokes In / Out / In / Out.... and repead for the other flange.
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jerryt   100 W

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Post by jerryt » Oct 13 2007 5:49pm

Your fixture seems to work OK. I like it.
I've never laced a wheel.
Do you buy special spokes for hub motors to get the correct length?
Can you get heavy guage steel spokes?
I've got a Worksman wheel (26" clincher rim) with 11ga (120mm) spokes which I'd like to lace up to replace my kit wheel.

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Eric G   1 kW

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Post by Eric G » Oct 13 2007 8:46pm

That's cool! Just goes to show that where there's a will there's a way....

Eric
600 watt Brushed Clyte/20in.wheel/36v7.2ah sla /25amp controller/34kmh. on level ground
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recumbent   100 kW

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wheel spoke table

Post by recumbent » Oct 14 2007 1:37pm

Are you spokin, a front or rear/w dish.
Ebike in use:
LWB Recumbent bike, Sram i-9 internal gears.
Power: 58V, 16 amp/hr, lipo batteries.
max speed: 52 km/h (30 mph),
max range: 40 km's, incl stop&go few times, minimal pedaling.
New build: Delta recumbent trike

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Ypedal   100 GW

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Post by Ypedal » Oct 14 2007 3:08pm

5X motor and 20â€￾ rim = 77 mm
5X motor and 24â€￾ rim = 138 mm
5X motor and 26â€￾ rim = 165 mm


4X motor and 16â€￾ rim = 57 mm
4X motor and 20â€￾ rim = 106 mm
4X motor and 24â€￾ rim = 165 mm
4X motor and 26â€￾ rim = 190 mm
4X motor and 700c rim = 218 mm

This is a list i made from the parts i received from Crystalyte, the intended rims are double walled.

The motor on the stand is going to be a 408-4012 Rear wheel wih 3 speed freewheel.

I"ll start by installing the spokes with only a few threads each nipple, then take up the slack evenly, finally install the motor into the bike frame and adjust it for the brakes to center up properly.

Depending on the frame used ( how much it will flex ), you can use spacers to shift the hub to an extent and compensate for some dishing, if you opt for a 7 speed you run out of room to shim anything..

This motor is going into a single walled 30mm wide rim. I have a half dozen i need to put to the test and see how they hold up with 12 gauge spokes.

I am a big fan of the double walled rims, first they are stiffer and don't seem as fragile, and 2nd the spoke nipples are recessed into the 1st wall repventing spokes from poking your tube..
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Herrsprocket   100 W

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Post by Herrsprocket » Oct 14 2007 11:22pm

I've been looking for some 12 guage spokes. Where did/ are you getting yours from? Anybody else have good sources for 12 guage spokes? Thanks much.

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Ypedal   100 GW

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Post by Ypedal » Oct 15 2007 9:01am

I purchased mine direct from Crystalte at the start of the season, i have a small stock of them ( i had 10 sets of each size, and am running them them fairly quickly ! lol )

If you need a set of the sizes above, they are 38 per set ( for 36 hole rims ) and cost 20 $ + shipping.

Before i start to lace, i get comfortable on the couch with a set of spokes and run each nipple thru the threads to make sure they are clean and smoth, there are usually one or 2 per set that are hard to thread and i set those aside.

When you start to tension the spokes you want consistency so that they don't " apear " tight when in fact the spokes are loose. :?
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