Chart standing · US
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
A fuel and oil mix calculator. FUEL MIX CALCULATOR It converts between gas, oil and ratio: you pick which of the three you want to know and set the other two with your finger. In litres, millilitres, gallons — US or imperial — or ounces, with the ratio as a percentage and as 1:n at the same time. One button leaves that ratio set on the engine screen, which is where it enters the jetting calculation. You open it from there, right below the oil mix. And the following, from the previous version, in case you are coming from 1.5.2: Logbook, track database, sharing and five new engines. LOGBOOK Save every session: what you fitted, what the app recommended, the number of laps, your best lap, the weather at that moment and your notes on how the engine behaved or what you had to change. Over time you get the record of the setups that worked best at each place. It can be exported to CSV. TRACKS 112 tracks from 21 countries with their altitude and coordinates. Search by name and the altitude goes straight into the setup, which is the figure that really moves it. SHARING Send a setup as a card over WhatsApp, email or whatever you use: your mechanic or your team mate can read it without having the app. NEW ENGINES • TM KZ-R2 and KZ-R3, from the 2023-2025 and 2026-2028 homologations. • Vortex VTZ. • Modena KK3. • IAME Screamer 4. Plus the IAME brand itself, which a bug kept out of the picker: its six engines can now be selected. From 17 to 33 engines in total. NEEDLE COMPARISON Overlays the profile of two DellOrto needles and shows, at every height, how much passage area one gains or loses against the other. So you can tell which one runs richer, and where in the throttle range. FINE TUNING Corrects the recommendation on high, mid and low when your engine asks for more or less fuel than expected. Remembered per engine. MODENA All five recalibrated: KK1, KK1R, MKZ, KK2 and KK3 now step apart from each other instead of asking for practically the same setup. ALSO • Search in the available parts: type "U1" and tick the whole family at once. • The help screens read better: proper lists and black text. FIXES • The main screen showed "nan" for setups saved with earlier versions. Fixed, and the ones left broken now repair themselves. • Settings closed itself when opening Available setups, Units and Appearance. • The fine tuning label overlapped its value. • The GPS weather station works again: it was never asking for location permission. • GPS and weather error messages were not being shown at all. Now they are. • Links to our other apps pointed at a retired domain and did not open. • Launch screen adapted to current iPhones.
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About
This is the most advanced carburetion simulation application on the market for Dellorto VHSH30 carburetor engines. It allows you to create carburations with all the information about the type of engine, track, weather conditions and carb setup (jets, needles, air screw, ...) making for each of them a simulation that allows you to compare them, choose a carburetion as a reference to be able to adapt it in each situation, take notes, check how each change in carburetion affects, etc. A RECOMMENDED SETUP FOR YOUR ENGINE Pick make and model and the app tells you what to start from. Included: - TM K9, K9B, K9C, KZ10, KZ10B, KZ10C, KZ-R1, KZ-R2 and KZ-R3. - Vortex RVS, RVX, RVXX, RVZ, RKZ, RSZ, RTZ and VTZ. - Modena KK1, KK1R, MKZ, KK2 and KK3. - IAME Screamer, Screamer 2, Screamer 3, Screamer 4, Shifter and Super Shifter 175. - Maxter MXO, MXV, MXE, MXS and MXS2. LOGBOOK Save every session with what you fitted, what the app recommended, the laps, your best lap and the weather at that moment, and write down how the engine behaved or what you had to change. That way you keep the record of the setups that worked best at each place. It can be exported to CSV. NEEDLE COMPARISON Overlays the profile of two DellOrto needles and shows, at every height, how much passage area one gains or loses against the other, so you can tell which one runs richer and in which part of the throttle range. TRACKS 112 tracks from 21 countries with their altitude, which is the figure that really moves the setup. Search by name and it goes in on its own. SHARING Send a setup as a card over WhatsApp, email or whatever you use, so your mechanic or your team mate can read it. FINE TUNING Corrects the recommendation on high, mid and low when your engine asks for more or less fuel than expected. The app remembers it for that engine. FUEL MIX CALCULATOR How much oil to add to the gas you are about to mix, or what ratio a mix you already made has. You pick which of the three you want to know — oil, gas or ratio — and set the other two. In litres, millilitres, gallons or ounces, with the ratio as a percentage and as 1:n, and one button leaves it set in the jetting. The application consists of several screens and features: - Simulation main screen: it shows the graph and the values of the configured carburations. One of them is marked as a reference so the rest can be compared against that configuration, and for each one you can edit its values or create new ones. - Setup creation or edition screens: the user is guided by a set of screens on which to provide information about the engine (brand, model, fuel density, % oil mixture), carburetor configuration (high, low, diffusers, needle, air screw, jets, etc.), weather conditions (temperature, humidity, altitude, pressure... that can be picked up automatically), and the track (name, length, lap time, maximum speed, etc.). - A functionality to collect the weather conditions of the nearest weather station: get the temperature, atmospheric pressure, humidity, altitude, air density, altitude by density and more values. - Help on each screen, preferences to modify the language, appearance or available parts, etc. The application has been tested by international racing teams, but can be used by anyone to optimize their engine.
What's new · 2.1
A fuel and oil mix calculator. FUEL MIX CALCULATOR It converts between gas, oil and ratio: you pick which of the three you want to know and set the other two with your finger. In litres, millilitres, gallons — US or imperial — or ounces, with the ratio as a percentage and as 1:n at the same time. One button leaves that ratio set on the engine screen, which is where it enters the jetting calculation. You open it from there, right below the oil mix. And the following, from the previous version, in case you are coming from 1.5.2: Logbook, track database, sharing and five new engines. LOGBOOK Save every session: what you fitted, what the app recommended, the number of laps, your best lap, the weather at that moment and your notes on how the engine behaved or what you had to change. Over time you get the record of the setups that worked best at each place. It can be exported to CSV. TRACKS 112 tracks from 21 countries with their altitude and coordinates. Search by name and the altitude goes straight into the setup, which is the figure that really moves it. SHARING Send a setup as a card over WhatsApp, email or whatever you use: your mechanic or your team mate can read it without having the app. NEW ENGINES • TM KZ-R2 and KZ-R3, from the 2023-2025 and 2026-2028 homologations. • Vortex VTZ. • Modena KK3. • IAME Screamer 4. Plus the IAME brand itself, which a bug kept out of the picker: its six engines can now be selected. From 17 to 33 engines in total. NEEDLE COMPARISON Overlays the profile of two DellOrto needles and shows, at every height, how much passage area one gains or loses against the other. So you can tell which one runs richer, and where in the throttle range. FINE TUNING Corrects the recommendation on high, mid and low when your engine asks for more or less fuel than expected. Remembered per engine. MODENA All five recalibrated: KK1, KK1R, MKZ, KK2 and KK3 now step apart from each other instead of asking for practically the same setup. ALSO • Search in the available parts: type "U1" and tick the whole family at once. • The help screens read better: proper lists and black text. FIXES • The main screen showed "nan" for setups saved with earlier versions. Fixed, and the ones left broken now repair themselves. • Settings closed itself when opening Available setups, Units and Appearance. • The fine tuning label overlapped its value. • The GPS weather station works again: it was never asking for location permission. • GPS and weather error messages were not being shown at all. Now they are. • Links to our other apps pointed at a retired domain and did not open. • Launch screen adapted to current iPhones.
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