Bob's Supremacy - top of the hill log pile - August 2011 Burchfield Park, Holt, Michigan, USA |
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Two trees were blown down past the bottom of the short technical hill that is at the start of Bob's Supremacy. Somebody on the forum had a great idea, to use them to build a log pile. I added the log pile at the top of the hill, just off to the left of the main trail. It's got a bit of a steep drop back into the trail, which then feeds into the technical (but very short) downhill, adding even more character to it. | |
The pile was stabilized using a couple of techniques. Forks in the logs were used to keep them from rolling, one fork was set into a small tree. The other technique was to use a 3-inch branch as a stabilizing cross-member, sinking it into slots and notches carved in the logs. The end of the stabilizer, away from the log pile, was set into a notch in an anchor log, which was braced against two small trees. Hopefully this will hold together for a long time, but that remains to be seen. Update - a week later I inspected it and it hadn't moved at all. It was still very stable. I rode it 10 times for testing, and it was perfect each time. |
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The view from the side of the pile. At the moment at least, this is very solid wood, no rot at all. Hopefully it will last a long time. | |
The view from the end of the pile. The suggested track was shown by removing the bark on some of the logs with the chainsaw. | |
I used one of the discard pieces as a shim and jammed it into the notch to make it so that the crossbrace doesn't move. | |
You can't see it from this picture, but the crossbrace has a "tongue" that goes underneath the anchor log. This is very stable, I can't budge it by grabbing the crossbrace and trying to move it back and forth. | |
When the bike touches down at the end, there is about one or two inches of chain ring clearance. Hopefully this is true for most, if not all, bikes. | |
Here's a test ride, complete with chainsaw helmet, earmuffs and facemask! I apologize for the lousy video resolution, for some reason it was recorded tiny and I've had to scale it up. | |