Patent Pending

FlagHi - Condition Differential Effect

Let us help you prepare for your next round by performing the FlagHi calculations for you! Send the following information to and we'll reply with the FlagHi calculated approximate %-increase to carry distances.*

This is what we need:

1) HOME CONDITIONS - Your typical home course conditions for Temperature, Elevation and Humidity. Use the internet to search for your home course's elevation above sea-level, and for average temperature and humidity if you do not know them.

2) DESTINATION - Where you will be playing golf.

3) WHEN - The date and time of your round.

For example:

Hi FlagHi Guys,

I'm from Phoenix and play most of my golf in the spring. I usually play when it's about 83 degrees and 20% humidity. Phoenix is at 1,086 feet elevation according to Google, but my GPS altitude app says 1,200 feet when I'm on the 1st tee box at my home track, so please use 1,200 as the elevation.

I'm going to Cherry Hill in Englewood, CO this coming Friday the 11th and my tee time is at 7:15 AM. I hear all the time about how Colorado's elevation will add carry to my clubs but I have always known that the "just add 10%" is a rough guess. Say...why do people still guess about the effect…especially the guys on TV? And even if it is 10%, that cannot hold true for everyone, right? It's gotta be different coming from San Diego versus coming from Phoenix or even Utah for that matter. I really need to know my new carry numbers! Help!!

Thanks for helping me understand what kind of difference in carry distance I should expect to see at Cherry Hill!

Thanks and your app is awesome.


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* We will do our best to respond to you in time for your round of golf but cannot guarantee anything. There are a lot of you and only two of us. You can download the FlagHi apps from iTunes and the Droid release is on its way. Also, the % increase or decrease will be calculated using a 100 yard club at home. Meaning, if it goes 100 at home, and FlagHi calculates it will go only 97 yards when you play on the road - we would tell you you are losing 3% carry across the bag.

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Presently, the FlagHi and FlagHi Pro calculated distances are approximate and are based on the carry distance for each club as configured by the user. At this time neither FlagHi nor FlagHi Pro takes wind or real-time elevation changes into account when calculating distances. However, we are presently working on design considerations that include among other things the use of real time feeds for elevation and temperature, allowing for dynamic distance adjustments during your round of golf. Be sure to install our updates. Thank you.


655 Maple, LLC shall not be held liable for any improper or incorrect use of the App and assumes no responsibility for any user's use of it. In no event shall 655 Maple, LLC be liable for any damages, whether direct, indirect, incidental, special, exemplary or consequential (including, but not limited to, business interruption or loss of use, data, or profits) regardless of cause, and on any theory of liability, whether in contract, statute, strict liability, or tort (including negligence or otherwise) arising in any way out of the use of the App or the materials and information contained in or generated by the App, even if advised of the possibility of such damage. This disclaimer of liability applies to any damages or injury, including but not limited to those caused by any failure of performance, error, omission, interruption, deletion, defect, delay, computer virus, communication line failure, theft, or destruction of data, whether for breach of contract, tortuous behavior, statutory liability negligence, or under any other cause of action.Users are encouraged to consult with appropriate and accredited professional advisors for advice concerning specific matters before making any decision, and 655 Maple, LLC disclaims any responsibility for positions taken by individuals or corporations in their individual cases or for any misunderstanding and losses, directly or indirectly, on the part of any user.


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