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 Post subject: Help Me design a Mini Dowhill run
PostPosted: Tue Jun 03, 2014 3:17 pm 
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Posts: 148
OK. So I've pondered with the idea for ages but now I want to think about putting it into action. I have a section of woods at the end of my property that are joined to Wormley woods. I've got a Mini Digger and a 1.5 tonne dumper. The only problem is I have no idea how to design or build jumps. This is gonna be a practice section for me to play around on and probably hurt myself. I'm going to be adding lots of pictures. This is to give you an idea of scale depth and so people can add their own views on what would work best. I'll also add some lengths once I get one of those wheel things to measure distances.

Pictures to follow.

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Trek Remedy 8


Last edited by chris84 on Tue Jun 03, 2014 8:39 pm, edited 5 times in total.

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 Post subject: Re: Help Me design a Mini Dowhill run in my woods
PostPosted: Tue Jun 03, 2014 5:43 pm 
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Posts: 463
Location: In my shed
Your one lucky dude, all I've got at the end of my garden is someone else's garden..lol
If you build it can we all come round and play..!!!

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Stay on target...!!


Last edited by RedTwo on Thu Jun 05, 2014 9:33 am, edited 1 time in total.

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 Post subject: Re: Help Me design a Mini Dowhill run in my woods
PostPosted: Tue Jun 03, 2014 5:59 pm 
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Posts: 148
Haha Yes m8 of course

Cannondave wrote:
Your one lucky dude, all I've got at the of my garden is someone else's garden..lol
If you build it can we all come round and play..!!!

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Trek Remedy 8


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 Post subject: Re: Help Me design a Mini Dowhill run in my woods
PostPosted: Tue Jun 03, 2014 6:21 pm 
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Posts: 148
The pictures give an idea of scale but not depth. I'm working on a plan to mark out trees and distances between each. Then I can try to go from there. I'll upload a sketch when done

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Trek Remedy 8


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 Post subject: Re: Help Me design a Mini Dowhill run in my woods
PostPosted: Tue Jun 03, 2014 6:25 pm 
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Posts: 463
Location: In my shed
Just seen the pics OMG..!!
I'm so jealous...

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 Post subject: Re: Help Me design a Mini Dowhill run
PostPosted: Thu Jun 05, 2014 8:06 am 
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Posts: 118
I'm so jealous...x 2


But not just jumps.....

You really gotta think about getting some big berms in early, Jumps can go anywhere, but berms are best ,where the existing terrain wants them.

If you see what I mean..


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 Post subject: Re: Help Me design a Mini Dowhill run
PostPosted: Thu Jun 05, 2014 9:00 am 
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Posts: 148
I've spent quite a bit of time looking and trying to vision what should go where. I think it'll be good to have three main lines that at some stages inter connect with the others. The only problem would be at the bottom. By the time you get down there you'll be carrying a lot of speed and there would need to be some sort of wood work to go up the other bank.

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Trek Remedy 8


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 Post subject: Re: Help Me design a Mini Dowhill run
PostPosted: Thu Jun 05, 2014 9:35 am 
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Posts: 463
Location: In my shed
Have a look at your property on google earth from above..
That might give you some ideas.!!

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Stay on target...!!


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 Post subject: Re: Help Me design a Mini Dowhill run
PostPosted: Thu Jun 05, 2014 1:04 pm 
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Posts: 1335
Hi.

What do pro trail builders use ? Is there some sort of software ?

As suggested, try and use the existing terrain and see if it suggests turns at certain sport and needs berms, etc. Id guess a problem with runs that arnt real steep/high is that all the speed can be sapped up.

Ive not build jumps myself but they arnt too hard I would of thought, getting berms in is gonna be harder/involve more digging.

http://www.wikihow.com/Make-a-Mountain-Bike-Course

Theyve built lots of new trails near me on (and outside) the Olympic XC track area, perhaps take a visit to get some ideas (although clearly they have spent a lot of time and money, completely laying down new surfaces, etc)

Heres a vid clip i did >


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 Post subject: Re: Help Me design a Mini Dowhill run
PostPosted: Thu Jun 05, 2014 9:07 pm 
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Posts: 118
Crikey I was driving by earlier this evening and see you are nearly finished already

http://sabbra.com/change.jpg


Last edited by MarkL on Thu Jun 05, 2014 9:30 pm, edited 1 time in total.

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 Post subject: Re: Help Me design a Mini Dowhill run
PostPosted: Thu Jun 05, 2014 9:20 pm 
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Posts: 118
This thread has all you ever wanted to know and more... :wtf:

http://forums.mtbr.com/trail-building-a ... 24304.html

Hope it helps, though I usually just go for a berm radius of about 3 x bike length.


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 Post subject: Re: Help Me design a Mini Dowhill run
PostPosted: Sat Jun 07, 2014 6:47 am 
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Posts: 148
Hey Mark where was that photo from?

Chris


MarkL wrote:
Crikey I was driving by earlier this evening and see you are nearly finished already

http://sabbra.com/change.jpg

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Trek Remedy 8


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 Post subject: Re: Help Me design a Mini Dowhill run
PostPosted: Sat Jun 07, 2014 6:50 am 
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Posts: 148
Cheers Andy. I'll have a look at that. I was going to just start with a table top to gain speed. Then do each jump and put scaffold boards after each one. Get someone to mark where I land and then put the double starting there. Then just tweak size and towards the bottom with perhaps some northshore here and there instead of a berm have maybe a wood wall. There's a barbed wire fence on the left so it's important there's nothing too big that side and that jump landings are directed away from this to prevent serious injury.


andydd wrote:
Hi.

What do pro trail builders use ? Is there some sort of software ?

As suggested, try and use the existing terrain and see if it suggests turns at certain sport and needs berms, etc. Id guess a problem with runs that arnt real steep/high is that all the speed can be sapped up.

Ive not build jumps myself but they arnt too hard I would of thought, getting berms in is gonna be harder/involve more digging.

http://www.wikihow.com/Make-a-Mountain-Bike-Course

Theyve built lots of new trails near me on (and outside) the Olympic XC track area, perhaps take a visit to get some ideas (although clearly they have spent a lot of time and money, completely laying down new surfaces, etc)

Heres a vid clip i did >

--------------------------------------
Trek Remedy 8


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 Post subject:
PostPosted: Sun Jun 08, 2014 1:34 pm 
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Posts: 2082
Location: Southend
One thing you want to manage is where the rain water will flow. Remember you can't stop it so you need to channel it off the lines so you don't get puddles. Built a lot of dirt jumps and bmx type tracks in the 80's in local woods but never with a digger! oh yeah. .. jealous x3 lol

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 Post subject: Re: Help Me design a Mini Dowhill run
PostPosted: Sun Jun 08, 2014 10:13 pm 
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Posts: 118
Cycled past today.. Saw you with the wheelbarrow, that's commitment right there, it was bloody hot this afternoon.


P.S cut the Hawthorns down, they are just bloody puncture machines, not proper trees.


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