Carburetion Products Holtzman Engineering, inc. Manufactures two carburetor compensators; the which automatically adjusts carburetor jetting for temperature and altitude changes, and the which automatically adjusts for temperature with an easy manual altitude adjustment. Holtzman Engineering, inc. Also manufactures in six rates for vacuum operated slides in CV (constant velocity) carburetors which are primarily used in the Yamaha RX-1 and Vector snowmobiles. ***Before ordering, if unsure which compensator will work best for you, please contact us and we can help you make the proper selection.*** ***Returns subject to a 15% restocking charge. No returns after 90 days and without prior authorization.

Jan 15, 2018 - Pop started me off rebuilding Ford Autolite carburetors, one of the simplest fuel mixers ever made. I was the Valedictorian of my high school, graduated from automotive school, and graduated from the most prestigious public engineering school in the nation, Cal Poly, San Luis Obispo, where I received a. Carburetor Jetting Software Engineer. Performance Trends features engine simulation software as well as data acquisition and drag racing software.

Consider the example of an actor assembling carburetors at some rhythm. His input information is some starting signal (like a clock) which starts him off in the morning. Another, long term, input is the blueprint of the carburetor, but we will assume that this knowledge is internal to the actor and is therefore no part of the. Holtzman Engineering, inc. Manufactures two carburetor compensators; the ATACC which automatically adjusts carburetor jetting for temperature and alti.

Pmdg 747 400 Livery Download Music. ATACC stands for Automatic Temperature and Altitude Carburetor Compensator and it does just that; it automatically adjusts carburetor jetting for altitude and temperature changes. The altitude adjustment is effective for up to a 6000-8000 foot (1800-2400 meter) altitude CHANGE with normal temperature changes. The ATACC (snowmobile) comes with a standard base temperature setting (the temperature at which it starts to lean) of -20F (-29C) but can be adjusted by the user for other temperatures such as -40F (-40C) or 0F (-18C). We can also set the base temperature to any other temperature, such as +40F (4C) which is a typical base temperature for motorcycles. We have model specific kits for Polaris w/ TM flatslide carbs and air box venting and for the Ski-Doo XP chassis with TM's. The standard ATACC works on Mikuni TM flatslide (except ’01 and ’02 Ski-Doo), VM roundslide, and TMX SnoPro.

It also works on Keihin PWK and FCR. Call us for all other carburetor applications including constant velocity (CV) carbs. This compensator automatically adjusts carb jetting for all temperatures and is set to work with -20F (-29C) carb jetting for snowmobiles. It can easily be adjusted, however, to work with jetting for any temperature. There is an external screw which easily provides manual altitude adjustment effective for up to a 6000 foot (1800 meter) elevation change. We recommend this compensator for the user who wants automatic temperature adjustment with normally less than 2000 feet of elevation change or occasional mountain riding.