The 5.5gm Double stack unit is the perfect motor for Indoor Micro 3D planes that weigh around 40-50gms. Like the single stack units, the double whopper comes in 2 different winds. They are designed for sport/aerobatic planes between 70-100gms, and operate on a 2S Lipo pack.

Mighty Midget 10/6/20- For extreme light weight applications, like indoor 3D, 2 Kokam 145’s can be used, since full throttle will be used very rarely and most of the flying takes place at part throttle. For applications requiring sustained high throttle runs, larger cells like the Etec 250’s or WES 310’s can be used. More details below ( Measurements at 7.0V ):

Mighty Midget 10/6/16- This hotter wind is a true power house and packs a lot of punch! It’s designed for a 2 cell pack of the Etec 250mah or larger Lipoly cells. This wind is perfect for a 50gm Micro Indoor 3D plane, and can easily haul around a 100gm slowflier. More details below (Measurements at 7.0V )

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Seen here with a GWS 0503 prop