New Energy efficient Snow lance System

• 80% less air pressure than comparable lances
• Up to 2°C higher snow making start temperetatures (marginal temp.)
• Higher water temperatures has less of an effect
• Low noise emissions
• No additives required

The new, patented snow maker NESSy is the result of over three years of research and development in collaboration with the Institute for Thermo- und Fluid-Engineering in the University of North West Switzerland, the Federal Institute for Snow and Avalanche Research (SLF) in Davos, the Nozzle Producer MVT micro technologies AG und the Snow Lance Manufacturer Bächler Top Track AG. The Project was supported by the KTI-Developmental Institute for Innovation for the Federal Office for Occupational Training and Technology.

Through field tests in a climate controlled wind tunnel with a detailed theoretical model numerous breakthroughs could be achieved and then optimized. The results of the breakthrough snow lance is a drastic reduction of the required air pressure, snow making at a 2 °C higher temperature and snow performance is affected less by higher water temperatures. Through improved nozzle technology and the reduced air pressure NESSy produces very low noise emissions.

The Modification of existing Bächler-Snow Lances is easily possible.

Modification of existing snow lances is on request.

Water and Air Pressure from NESSy*

Level	Typical range of the wet-ball temperature	Air Pressure Requirement		Water Consumption @ 20 bar
		Air Pressure 8 bar	Air Pressure 10 bar
Ground Level	-4 to -2 °C	max. 120 Nl/min	max. 150 Nl/min	45 l/min
Level 1.	-8 to -4 °C			105 l/min
Level 2.	< -8 °C			min. 165 l/min

* Status February 2008


download here:
 NESSy Brochure (web)
 Snowgun Running Cost Comparison
 A review of the energy use of mobile snowmaking at Swedish ski resorts