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Questions, Answered

Real answers to what racers actually ask.

Getting started

How do I get started with Drag Race Logbook Pro?

Sign up free at /pricing — no credit card required. Add your car, log your first run from a time-slip photo (or type it manually), and you're live. Setup takes about a minute.

Do I need a special camera or scanner?

No. Your phone's regular camera works. The AI handles glare, angle, low contrast, and even crinkled slips. If a slip is genuinely unreadable, every field is also editable manually.

What devices does it work on?

Any modern browser — iPhone, Android, iPad, laptop, desktop. The mobile experience is built for the pits: large tap targets, camera-first, works one-handed.

Can I use it without an internet connection?

The dashboard, run list, edit screens, and predictor all work fully offline. Photo extraction and live weather fetch need a connection — they queue and auto-sync when you reconnect.

Time slips and logbook imports

Which time-slip formats does the AI read?

All standard NHRA/IHRA track printers — Compulink, Portatree, eDragster, Race America, and the major member-track formats. We test against a library of real slips. If yours doesn't read well, send us a photo and we'll tune the model.

What if the AI gets a number wrong?

Every extracted value flashes green so you can review it. Tap any field to edit. The AI's accuracy improves on the most common formats over time.

Can I import my old paper logbooks?

Yes — that's the Logbook Import flow. Photograph each page (any layout: NHRA Wally book, custom column layouts, hand-drawn) and AI reads every run, every column, into a review grid. Years of paper, digitized in one sitting. Free accounts get 2 pages to try it out; Pro is unlimited.

Does the AI handle bracket dial-ins, breakouts, redlights, win/loss?

Yes. Dial-in, reaction time, ET, MPH, lane, breakout, redlight indicators, win/loss notations — all extracted into structured columns you can sort and filter.

ET prediction and weather

How accurate is the ET prediction?

Within ±0.02 seconds on average once you've logged 20+ passes for a car. Accuracy keeps improving as you add runs across different density-altitude and temperature ranges. The predictor uses your car's historical performance, not a generic model.

Where does the weather data come from?

Live conditions come from NOAA / National Weather Service stations when you're in the US, with Open-Meteo as a global fallback. For historical runs (more than 2 hours old), we pull from the Open-Meteo archive (ERA5 reanalysis), so old paper-logbook imports get accurate atmospheric data for the date and hour the run happened.

What is density altitude and why does it matter?

Density altitude is the altitude your engine "feels" given current temperature, humidity, and barometric pressure. Higher DA = thinner air = slower ET. We calculate it the way Kestrel/Computech meters do (true station pressure, not sea-level-corrected), so the number lines up with what trackside meters read.

Can I enter weather manually if I have a Kestrel reading?

Yes. Every field is editable. You can also snap a photo of your Kestrel screen and the AI will read temp, humidity, pressure, and density altitude directly off the display.

Cars, tracks, and racing classes

Is this just for bracket racers?

No. Bracket, sportsman, super class, super gas, super comp, junior dragsters, index racers, even no-time grudge guys — everyone benefits. The dial-in field is optional; the ET predictor works on any car with a few logged runs.

Can I track multiple cars?

Yes. Add as many cars as you want. Each one has its own run history, best ET, best MPH, predictor model, and maintenance log.

Are NHRA and IHRA member tracks pre-loaded?

Yes — over 130 sanctioned tracks across North America are pre-loaded with location, elevation, length (1/4 vs 1/8 mile), and strip orientation (for headwind/tailwind calculations). You can also add private tracks or test-and-tune venues yourself.

Does it work for 1/8-mile tracks?

Yes. Each track has a stored length; the form and predictor automatically use 1/8-mile splits and ETs when appropriate. Time slips from 1/8-mile races are auto-detected.

Account, data, and privacy

Who owns the data I log?

You do. You can export your full run history as CSV at any time, on any plan. Cancel anytime, take your data with you.

How is my data stored?

Encrypted at rest and in transit. We never sell or share user data. See our privacy policy for the full details.

Can I share my runs with my tuner / crew chief?

Export to CSV and share, or take screenshots of the run list and predictor. Full team-sharing accounts are on the roadmap.

How do I cancel my Pro subscription?

Profile → Billing → Manage Subscription. Cancellation is one click; you keep Pro access until the end of your current billing period. No "call us to cancel" gimmicks.

Still have a question?

Drop us a line and we'll get back to you — usually within a business day.

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