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March, 2024

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Drop in/Lip Question

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cashdebt
Posts: 2383 - Karma: 349
My rail is 19 inches so i'm going to create a 19 inch lip and i'm wondering how settle it should be (the length of the up part). Should it start 3 or 5 feet away from the rail if the lip is right up against the rail

also, since its higher than other rails, how high should the drop in be, everything else in this forum seems to be a little smaller than a foot and a half. The whole set up will be on completely flat ground.

thanks for any help!
Jul 3 2009 9:22PM
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TotallyTrevor
Posts: 4379 - Karma: 26,359
im a little confused
Jul 4 2009 10:28AM
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TotallyTrevor
Posts: 4379 - Karma: 26,359
if you could draw a quick picture in paint or something of what your talking about i think it would be helpful
Jul 4 2009 10:28AM
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cashdebt
Posts: 2383 - Karma: 349
Ok sorry, how long should the length in yellow be to make the lip mellow enough and not too sudden

Click for larger image
and the rail is 20 inches tall and the lip is going to be too
Jul 4 2009 4:28PM
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WorthDaMoney
Posts: 1140 - Karma: 741
I have a rail that is about 18 inches off the ground and the lip of the jump is the same height and my take off is only about 3 feet long so your yellow part (for my rail ) would be about 31 inches long and it works fine for me...

so i recommend around 31 inches long
Jul 5 2009 12:03AM
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cashdebt
Posts: 2383 - Karma: 349
does it feel pretty sudden or is it relatively smooth
Jul 5 2009 2:27PM
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TheTristanator
Posts: 1015 - Karma: 819
look at my pictures in my profile do what i did.
Jul 5 2009 9:33PM
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cashdebt
Posts: 2383 - Karma: 349
two pallets? that looks pretty good, except how to the cement blocks keep, is it pretty stable
Jul 5 2009 11:48PM
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S-S-K
Posts: 218 - Karma: 187

The length of your lip should be 4ft. or longer.  I made the mistake making my lip too steep of an angle and you lose too much speed. 

31in. is too short for a 20in. tall lip.

Jul 6 2009 12:07AM
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GreenHorn
Posts: 4896 - Karma: 1,209
you dont have to make your jump as high as the rail. its real easy to jump onto it. you dont even notice. my jump is like 14 or 15 inches while the rail is 17.
Jul 6 2009 2:19PM
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Asiansethsation
Posts: 236 - Karma: 244

Here's what I did. This was the ramp/lip part of my setup that attatches to my drop in. It is 15 inches high, and I have rails at 18 and 20 inches and it is totally fine.  the length of it is 7 ft, a 4 ft flat and 3 ft ramp up.  And it the plywood is kind of staggered so the transition is smooth.

Click for larger image

Jul 18 2009 11:30AM
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WorthDaMoney
Posts: 1140 - Karma: 741
its not too bad... check my videos on my profile if you wanna see what it looks like.  i didnt make sure that the jump was at a certain angle, i just threw something under a skid to see if it would be sufficient and it was so i used it
Jul 19 2009 11:22PM
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