This amazing flight computer is only 1.8" x 0.8" but provides more data logging capabilities than other altimeters at any price. The Raven altimeter has four programmable outputs rated at 9 amps and is compatible with all batteries from a single Li-Poly cell to a 14V pack.
Lots of high-quality recorded data:
440 Hz axial accelerometer, +/- 70 Gs
220 Hz lateral accelerometer, +/- 35 Gs
250 G single-axis accelerometer available as an option
20 Hz barometric altimeter data, +/- 0.3% a