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Spoke patterns for trailers??
https://cimg9.ibsrv.net/gimg/bikefor...9a3c86f87e.jpg
https://cimg5.ibsrv.net/gimg/bikefor...b67a5b9e84.jpg I rebuilt my BOB trailer's wheel after the hub came apart on the road. I got a nice new hub that takes no matinance, and used the old spokes and rim. I keep thinking I should rebuild into a nicer looking pattern. I tryed two next to each other alternating between sides. But it did not look strong enough. So I ended up with this pattern; I am not worried about spokes rubbing against each other because there will not be any torque forces. I could even use a double twisted radial pattern [different directions each side], but how much longer should the spokes be? I do have other old spokes to try something with, but will need to have them shortened and rethreaded. Got any ideas for patterns? |
Got any ideas for patterns? The goal in lacing a cross wheel is to get the spokes almost but not more than tangent to the hub flange. The cross pattern is set by the number of spokes. That would probably be cross 2 here, but that makes a really high angle at the rim. You’ve also put all the spokes on one side of the flange. That makes it look a little funny. |
16" Wheel .. 28 spoke hub 28 spoke rim my Brompton Rear is 2 cross, as is the 2 406 20" wheels on my Burly trailer..
with a 36 hole hub (entertainment factor) & rim, you can lace it in a group of 6, 2 sides of 3, 2 _2cross 1 radial between them or just get a 24 hole rim.. skip every 3rd hole in th hub (My Bike friday did that on the rear) Another trailer hub option since the trailer uses bicycle front hubs, is a Dyno hub , Who' s sole purpose then can be charging your electronics on the way.. .. |
Here's a 16" wheel laced cross-2 like Bob described. Notice trailing spokes go inside-out, leading spokes go outside-in
https://www.perennialcycle.com/media...heel_349_7.jpg https://www.perennialcycle.com/bromp...-349-3098.html |
If radial is fine, then your 1x should be fine too.
But, why did you do 100% outbound spokes, rather than alternating inbound/outbound. Ahh, interlacing vs no interlacing?? It may not make a difference for a vertical load wheel. Hmmm... https://bicycles.stackexchange.com/q...on-traditional Spokes in a crossed pattern are usually interlaced at their last crossing before reaching the rim. Spokes coming from between the flanges are laid over those from outside the flanges. Interlaced spokes take up each other's slack during severe radial loading and reduce the chance of spokes becoming loose. If spokes become loose, their nipples can unscrew. Radial spokes cannot be interlaced and therefore, lose alignment from road shock more easily. Interlacing also gives more clearance between the spokes and the derailleur on rear wheels. That really won't matter for your trailer. If you've already built the wheel, then I don't think I'd worry about it. It'll be fine. Note, many of the 2-wheel trailers also dish the wheels outward to give them a slightly wider stance. |
when I was trying different patterns, I did use the inside -ouut side pattern but the spokes from outside to inside were too short, and therefor loose and I did not want to pay for brass washers like ai did for my drive wheel. 14 cents each can add up fast.. and I read some where that out side spokes made for a wider stringth, so I tryed it.
No brakes now torque forces. I could do just about any thing. more for art than anything else.
Originally Posted by CliffordK
(Post 20851724)
If radial is fine, then your 1x should be fine too.
But, why did you do 100% outbound spokes, rather than alternating inbound/outbound. Ahh, interlacing vs no interlacing?? It may not make a difference for a vertical load wheel. Hmmm... https://bicycles.stackexchange.com/q...on-traditional So, the idea is that if you apply rotational torque (pedaling/braking) to the hub, then the interlacing straightens the pulling spoke, thus pulling the lax spoke slightly, and helping maintain even tension. That really won't matter for your trailer. If you've already built the wheel, then I don't think I'd worry about it. It'll be fine. Note, many of the 2-wheel trailers also dish the wheels outward to give them a slightly wider stance. |
I built my 20" trailer wheels 28 spokes cross 2, never had a problem with them.
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