Here's the product page: https://www.bellflight.com/products/bell-360 https://www.bellflight.com/products/bell-360 I'm curious about what the supplemental powe

Here's the product page: https://www.bellflight.com/products/bell-360 https://www.bellflight.com/products/bell-360 I'm curious about what the supplemental power unit consists of.