Hi, I`ve been testing these props in many models, and I`ve been selling my own design models with 7x4 tgs prop as standard.My own experience tells these are well ballanced and fully dependaple and strong props.
Hola estas helices las he probado en mis propios modelos con exelente resultado muy bien balancedas y resistentes, esa es mi experiencia personal incluso con modelos de diseñ*o propio que he vendido.
The same for me - the prop is too big and heavy, looks different from the photo above.
10 thumbs up!
its heavy and horribly balanced(and I mean the worst balance I've ever seen) the sizing rings are a lose fit to to propeller making them almost useless. I got 3 they were all like this. they are shaped like for a slow-flyer but way too heavy, props for gas engines are lighter. at the price you can see for yourself, but there is no way I'm gonna use them.
Just a warning. These props are considerably thicker at the hub than a 6x3E. So beware if upgrading to a bigger prop. Make sure you prop adapter is long enough. The hub thickness is 1cm (3/8"). Recommended.
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1 thumbs up!
Cheap prop! Looks nice but is a little bit too heavy