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The Lounge / Just saying hi
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The Bike Shop / Need a super strong front disc hub.
« on: October 24, 2016, 11:06:38 PM »
Short story is my that my Dad and I are building an ultra-light airplane. The plans call for 20" bicycle wheels, but some of the other people that have built them have ran into bent axles and rims or blown out bearings. Most guys are just using some shitty cargo bike wheels and I told him I can do way better.
I'd just an anti-gram or something, but we want to go with disc brake. We have lathe and mill access and will most likely be making a custom axle for whatever we go with. I'd kinda like to stick with something similar to the g-sport style axle design just for the ease of modifying it, and the strength. I can't seem to find any beefy street oriented hubs with disc mounts.
I've looked at 20mm thru axle hubs, and figure we could make an axle for them no problem, but a lot of the ones I see have rather small bearings. We have also considered replacing the bearings with a bushing if they become a problem, not like the wheels need to roll all that well on a plane. Again though, not much room to be fitting a bushing in.
Another option I have looked at is using a lefty hub. This makes sense as the wheels are only going to be mounted on one side anyways. Making an axle is a little more complicated, but within reason. They are also kind of pricey though.
A final consideration is that the more off the shelf it is the better. If an axle (or female bolt) were to break on a flight, it would be nice to be able to hit a local store and make a repair.
Just curious if anyone has any ideas?
I'd just an anti-gram or something, but we want to go with disc brake. We have lathe and mill access and will most likely be making a custom axle for whatever we go with. I'd kinda like to stick with something similar to the g-sport style axle design just for the ease of modifying it, and the strength. I can't seem to find any beefy street oriented hubs with disc mounts.
I've looked at 20mm thru axle hubs, and figure we could make an axle for them no problem, but a lot of the ones I see have rather small bearings. We have also considered replacing the bearings with a bushing if they become a problem, not like the wheels need to roll all that well on a plane. Again though, not much room to be fitting a bushing in.
Another option I have looked at is using a lefty hub. This makes sense as the wheels are only going to be mounted on one side anyways. Making an axle is a little more complicated, but within reason. They are also kind of pricey though.
A final consideration is that the more off the shelf it is the better. If an axle (or female bolt) were to break on a flight, it would be nice to be able to hit a local store and make a repair.
Just curious if anyone has any ideas?
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The Bike Shop / Does no one make <25t sprockets anymore?
« on: January 01, 2016, 11:12:11 AM »
Or 10t drivers either.
I am building up a 22", and it looks like I want to go with a 23-9, but I cannot find a 23t sprocket anywhere.
I am building up a 22", and it looks like I want to go with a 23-9, but I cannot find a 23t sprocket anywhere.
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The Bike Shop / Trail Bossin
« on: January 31, 2015, 09:37:38 AM »
There are some jumps near where I live that have been around for nearly a decade, but they are always neglected. No one has touched them in 2 seasons and all the lips were crumbling apart, the lines were rutted out, and they really sucked. Only one of the lines even ran at all, and it ran really bad.
Mu buddy has been going out there nearly every day for 2 months and has fixed up everything, mostly by tearing it down and starting over.
The jumps are super nice now, and he has started work on some new lines. The other day 2 kids who worked on them 2 years ago started showing up and trying to trail boss him. They were talking shit about how he fucked them up and he has no right to dig out there when he didn't build them (those kids didn't actually build them originally either). The kids got pissed up and called their buddies to show up for back up. When their buddies showed up one of them says "wow, these really nice." and the dickwad was holding his finger of his mouth trying to get his buddy to shut up.
So who is in the right here? My buddy for taking of some neglected trails and making them good, or some little punk kids mad that someone is poaching the spot they neglected for 2 years.
Mu buddy has been going out there nearly every day for 2 months and has fixed up everything, mostly by tearing it down and starting over.
The jumps are super nice now, and he has started work on some new lines. The other day 2 kids who worked on them 2 years ago started showing up and trying to trail boss him. They were talking shit about how he fucked them up and he has no right to dig out there when he didn't build them (those kids didn't actually build them originally either). The kids got pissed up and called their buddies to show up for back up. When their buddies showed up one of them says "wow, these really nice." and the dickwad was holding his finger of his mouth trying to get his buddy to shut up.
So who is in the right here? My buddy for taking of some neglected trails and making them good, or some little punk kids mad that someone is poaching the spot they neglected for 2 years.
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