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Jolly Logic Altimeter Two

$69.99

Jolly Logic Altimeter Two

$69.99
SKU:
JOL-2
Availability:
Ships same or next day
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Product Description

Jolly Logic Altimeter Two

A rechargeable digital altimeter for model rockets that analyzes flight altitude, acceleration, top speed, flight duration and 6 other important flight statistics.  The AltimeterTwo retains the rugged design, easily-readable LCD, small size, and rechargeability of the AltimeterOne. With the addition of a 3-axis accelerometer and a 4X speed increase in processing speed, it can provide a full suite of important flight statistics that can help you analyze and improve your rocket’s performance.  The Jolly Logic AltimeterTwo has been approved by the National Association of Rocketry for use in rocketry competitions.

» 3-axis, 24g accelerometer can detect launch, acceleration, speed, ejection, and landing
» Accurate 19-bit barometric pressure sensor sensitive to altitude changes of less than one foot
» Daylight-readable LCD display clearly displays all flight statistics−no computer needed
» Rechargeable Lithium Polymer battery lasts for hundreds of launches, no batteries to buy
» Recharges in less than 2 hours from any standard USB port (with included cable)
» Samples pressure over 25 times/second, and acceleration over 250 times/second
» Power button turns device ON/OFF and RESETs the display between flights
» Automatically powers down to conserve power
» Handy tether point allows secure attachment
» Rugged fiberglass and ABS construction to survive crashes
» Approved for use in official NAR contests
» Displays results in either English or metric units
Specifications
Max Altitude: 29,500 feet above sea level (9000 meters)
Precision: Nearest foot below 10,000 feet, Nearest 10 feet above 10,000 feet
Acceleration Precision: Displayed to nearest 0.1 gee
Speed Precision Nearest MPH or KPH
Timing Precision: Shown to nearest 0.1 sec
Made in the USA
 
Weight  9.9g (0.36 oz)

Height   14.5mm (0.57 in)

Width    18mm (0.71 in)

Length  49mm (1.93 in)

 

Next Generation improvements:

1.     More advanced display

a.     You can see from the images that screens are more clearly labeled.

b.     When you hold down the button a menu appears which now smoothly scrolls. When you select a menu item, it flashes to confirm your selection. For instance, you select “Launch” instead of the cryptic “0000” to prepare for launch.

c.     Battery level is now indicated as a percentage, such as “Battery Level 75%.”

2.     Stores last 100 flights

a.     If you choose History from the menu, the last 100 flights (from most recent to oldest) are shown one after another.

b.     Flights are sequentially numbered.

c.     You can also choose Erase to clear all flights.

3.     New battery

a.     In the new design, the battery is much larger and will retain charge for months. When you pull this generation out of your range box, you can be more sure that it will still have power. The old design did not have as great a shelf life.

b.     The new battery has a connector, so it can be replaced. It’s a custom battery, so we’ll offer replacement units.

4.     Slightly larger

a.     The new design has a larger, sturdier slot that’s easier to attach with a line. Hooks and rings are no longer needed or included. If any of you want to offer Kevlar line or loops, they would be a handy accessory.

b.     The slight size increase may mean it may not fit in some very small spaces that the old generation could. 

c.     There is a new accessory, the Snap Mount. If there’s a place to mount the Snap Mount, it securely holds the altimeter so you can quickly snap it in and out.

d.     The size increase was driven by the upcoming AltimeterThree, which shares the same case and which includes a flash drive and Bluetooth wireless. More info on AltimeterThree soo.

5.     USB Port rather than a built-in plug to recharge (cable included)

The more universal USB Micro-B port is compatible with lots of chargers already out there (it’s the most common on small devices). The included cable will fit in EVERY (not just most) normal USB ports on laptops, etc. Also, it only fits one way, eliminating confusion.

6.     More parts are replaceable

The battery and display have connectors. Like the outside case, it’s easy to snap replacements in.

 

 

Changes Specific to AltimeterTwo

 

1.     All data is automatically shown (no longer need to select a menu item to see it)

 

2.     Some units are changed (e.g. instead of KPH, metric uses m/s)

 

3.     Some figures are shown to two decimal places, such as Thrust Time (e.g. “1.99 sec”)

 

4.     Instead of flashing, the display uses a “>” symbol to note acceleration overload when actual speed, acceleration may be higher than shown (e.g. “>723 mph”)

 

5.     Pressure is sampled 25x per second, acceleration 250x 

 

User Guide

 

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