Harry's Dyno for Pc

1. For Harry's LapTimer users! Harry's LapTimer GrandPrix has received a free feature upgrade and includes Harry's Dyno functionality now: please follow LapTimer ‣ Race ‣ Performance to use the dyno mode.

2. In case you have used Harry's LapTimer Petrolhead so far, you may either upgrade it to GrandPrix (LapTimer ‣ Administration ‣ Add-ons), or go for Harry's Dyno as a separate app.

3. For distance based performance testing (quarter mile etc), please use Harry's LapTimer currently.

4. This mode will be added to Harry's Dyno as a free upgrade shortly.

5. Harry's Dyno is a high precision performance measuring app.

6. It utilizes GPS and OBD sensor input to recognize arbitrary speed ranges like 0-60 mph or 100-200 km/h.

7. For short speed ranges, high powered vehicles, and highest precision, either external GPS or OBD sensors can be connected.

8. Using two-cursor mode, one can inspect subranges of data recorded (e.g. 80 to 120 km/h for a 0 to 200 km/h).

9. Data is stored locally and can be filtered by speed range and vehicle used.

10. OBD adapters are actually preferable as speed changes are available instantly.

11. Provided the smartphone is mounted in a position with good GPS accuracy, the internal GPS can be used for measurements.

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