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Mike
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629 Posts
Discussion Starter · #1 ·
I have scaley sport track and when making a fly over I get very sharp angles unless the run up and down is long . Question how do you get short fly overs to be
smooth transitions

Thanks
 

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Registered
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826 Posts
Tough thing to do. The biggest problem is not really a steep angle but the transitions from level to up, up to over, over to down and down to level. You could get away with a steep climb if your transitions include some sort of easement.

If you're using the standard pastic bridge support things, you may need to look for something else. You can attach the track to a board, then use the natural flex of the board to create your easement. When I had plastic track, I considered using something like this: Foam Grade to start the incline and then use the plastic supports or wood to complete. You could even use this to start the incline but add shims under it as you get higher to get a 6% or 8% grade.

Another option, although a bit tricky, is to bend the track itself, by carefully rolling it over a large dowel. I "faked" some extra dune sections with some off-road plastic track doing this, but it is really easy to wreck the track by buckling the metal rails.

Randy
 

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Prof I T
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11,156 Posts
hi
i have used a 4" plastic pipe as a way of making a hump back bridge out of a standard length piece of sport track.

Just take it slow with the bending/forming and you should be able to form the section you want and in the space you have.
 

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Alfie Noakes
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2,655 Posts
Hi Mike, I've got quite a steep downhill section, which I've got to work by using half straights, so I have more joints, with less of an angle between each. It works well. Here's a pic:



The drop is about 15cm, which starts under the Capri. the track is flat on the board by about halfway around the hairpin.
Cheers,
Richard
 

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Mike
Joined
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629 Posts
Discussion Starter · #6 ·
Thanks peeps I think I am going to try Richard's !/2 straight idea as what I am trying to do is very much the same
Mike
 
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