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| TheDonUK |
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TheDonUK
World Chat Champion
Joined: 20 Feb 2006
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 Posted: 03:59 - 23 Nov 2007  Post subject: Best Ground anchor options. |
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Got myself a new bike (thread and pics coming soon), i really dont want this one to get nicked... And i have been thinking about getting a ground anchor done for a while.
Im in a shared student house, but have the landlords permission to install one, The place i would install it is a concerete floor directly next to and up against one of the walls of the house.
Can anyone give me the cheapest and easiest options for getting this done.
I have heard of Epoxy ones whereby you just need to drill some sort of a hole and it holds it tight. I think a while back someone on here mentioned getting a piece of box steel and drilling two holes and running a chain through... Dont have the tools for that mind...
It doesent have to be fort knox, if a professional theif wants it im sure my chain would be the weakest link anyway, its just to keep the local scummy chavs away...
Anything im missing here... Anyone got a spare one lying around they want to let go of for a couple of beers?..
Cheers
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| veeeffarr |
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veeeffarr
Super Spammer
Joined: 22 Jul 2004
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| stinkwheel |
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stinkwheel
Bovine Proctologist
Joined: 12 Jul 2004
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| TheDonUK |
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TheDonUK
World Chat Champion
Joined: 20 Feb 2006
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| Posted: 01:05 - 24 Nov 2007 Post subject: |
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| Quote: | I made a ground anchor.
Get a piece of 2" square box section steel about 8-10" long, real heavy stuff (metal fabricators would have this in their scrap bin). Drill two, 12mm holes all the way through it on each face so they line-up across the 'box'. Easiest way is to get someone with a drill press to do it, just drill all the way down through it.
Now englarge the holes on two adjacent faces so they are 3/8".
Now buy four, M12 rawl bolts and a masonry drill big enough to make a hole for them to fit in.
Place your ground anchor in an angle between a wall and the ground, mark the hole positions and drill four holes for your rawl bolts (two in the ground, two in the wall). Now bolt it to the wall and ground using the rawlbolts through your 12mm holes. The larger holes are there so you can get a 3/8" drive socket with a short extension bar on the bolts to tighten them down hard.
Your ground anchor is now in place. It ain't going to move, whatever direction you pull, you've got two M12 bolts acting in the shear plane.
Run a big f-off chain through it and attach it to your bike. The presence of the chain makes it impossable to get a socket on the bolts to undo them. You shouldn't be able to get a spanner on the bolt heads to turn them through the ends because there isn't enough room to swing it.
Another way is to use socket head rawlbolts, tighten them with an allen key then burr out the socket heads with a small drill so they are round. This obviously doesn't need such a big hole in the 'outside' sides.
I designed that myself. Cheap as chips. |
Thats the one stink, I dont have the tools for either... no drills... and no one i know has any either... bit of a pickle, i suppose ile have to goto somewhere like HSS...
Toby I assume its solid concrete, It looks pretty solid  |
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| Cannon |
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Cannon
Trackday Trickster
Joined: 04 Jun 2006
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| Posted: 10:36 - 25 Nov 2007 Post subject: |
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Just remember that even if you make you own which is massively strong like I did, it does NOT count towards you insurance premium. You would have to buy one which is approved in order to get reduced rates.
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Old Thread Alert!
The last post was made 18 years, 126 days ago. Instead of replying here, would creating a new thread be more useful? |
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