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LASERS

Lasers

Note from Hartman:

With this laser you can stand on the exit and measure the vertical and horizontal distance to the terrain. You can write down a few key measurements to keep in your logbook or share for each of your exit points. Or if you have an android phone, the measurements are recorded by the BASEline app, allowing you to overlay your previously recorded GPS data and laser measurements for easy comparison between jumps. When the laser is pointed up, the BASEline app will assume you are in the landing area and calculate the profile accordingly. It is the fastest and easiest way to bring GPS and laser measurements together in a simple picture, giving the jumper the most important information on the actual terrain profile of a jump. In my opinion all BASE jumpers should be using it.

The Laser works in concert with the BASEline App: https://baseline.ws/

All proceeds from the sale of the lasers will go to support development of software tools for BASE jumpers.

 

Note from SQRL:

We are offering this laser in cooperation with Hartman Rector as a service to BASE jumpers. It is not a for-profit transaction, and SQRL is not a dealer for Uineye lasers or products. You paypal Hartman for the laser, and we ship it to you. The laser is shipped with a battery. If you will want to return this laser for any reason, please do not purchase it from us as we cannot accept warranty returns.

Buy now from Hartman

(USA domestic shipping included)

$185

At this time we can only ship this laser to domestic US addresses and APOs.

 

Laser Info from Hartman:

The range and price of this laser is great. Nothing on the market even comes close to 1800 Meter range for under $200. Comparable lasers are around $600-$800. You should be able to measure from exit to the landing area at many wingsuit jumps. The price means you don’t have to stress about losing it. It’s great for slider down jumps too. Every BASE jumper should have one.

Watch the calibration of the angle! This is the Achilles heel of the Uineye laser. The laser comes set correctly, but long-pressing the trigger button makes it go to angle recalibration mode and then the angle needs to be re-zeroed.

Phone apps are available which draw a level horizon. Get one, and use it to level the angle on the laser if it recalibrates while you are out in the mountains. Note that the bottom of the laser is not quite flat, so setting it on a flat surface and setting the angle doesn’t work. How bad is it if the angle is off? Depends how much it is off. If you are within a degree of level, your measurements will be within a couple meters. This is not very hard to do.

Sometimes the button can get long pressed in your bag. You can remove the battery so this doesn’t happen, but then you could lose the battery…

Don’t drop it off the cliff, and don’t drop your phone off the cliff, and be careful. Scrambling on cliff edges to check this stuff out is dangerous.

Secondly, the information itself can be dangerous if you allow it to lead you to make riskier decisions based on the feeling of “knowing more”. Conditions always have a big effect on your start profile, and just because the laser says it goes, doesn’t mean it goes in today’s conditions. Be safe!

 

Using the Uineye laser and BASEline app:

The BASEline 4.0 android app can be installed on your android phone. BASEline is a web based flight computer for looking at GPS and laser rangefinder data. There is some great documentation explaining the coordinate system, and how the app works with your phone here:

https://baseline.ws/help/app#profiles

If you don’t have an Android phone you can still enter the laser measurements on BASEline manually:

This is a great way to keep track of your profiles.

Long pressing the mode button on the laser turns on Bluetooth, the app connects automatically. Measurements are recorded automatically but can also be entered/erased/edited manually.

When Measuring wingsuit jumps to share with others, and for comparison, a good way is to measure along the least committing flyable path. To put it another way: measure along the path with the maximum flyable clearance over terrain even if the path you plan to fly is more committing. You can save this for easy comparison with other jumps. Make lots of measurements on the wall if it is positive, and in the first 100 horizontal meters. Shoot the landing, I have gotten measurements out to over 2000 meters with mine. Name and save your profiles.

It is also nice to add a saved gps tracks of your jumps to help guess how high you will be over a feature, or how soon you can go right over the ridge etc. The profiles generated when doing this can be messy, but they make sense in real time.

Know how to read your profiles! I would consider the profile pictured here much too short and technical, especially considering the exit altitude MSL. Just because one of your gps tracks looks like it would go doesn’t mean that you will make it. There is no substitute for experience.

Measuring from the bottom is a great way to get a profile, and usually requires less hiking. It only really works when you are in line with the push direction, and measure in a straight line up to the exit. It is easiest if someone is standing on exit and you shoot them, you can get a great profile this way.

The app is great for capturing measurements made in the dark, the laser works great in the dark, but the screen is not backlit so measurements are hard to read. The app provides a great interface.

All of this stuff can be done with the laser, a pencil, and some graph paper. BASEline just makes it way faster, so you can do it in a couple seconds while standing on exit. The app is still in development, and may occasionally crash. You can always screenshot your profile with the numbers so it is saved on your phone. We want feedback on how it is working and how to make it better, so let me know if it crashes, etc.

Thanks for joining us on this project, see you out there.

Hartman & the SQRL Team

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