Prop balancing

I wanted to share with fellow builders the advantages of getting you prop balanced. A well dynamic balance on a prop will save gas, prevent airframe damage, an help the engine in too many ways to list. I know the experienced pilots will know this already but for the guys that might not have herd of a dynamic balance. The prop is balanced on the engine while running at cruise power. The cost in my area runs about 150.00 an it is worth every penny. It is done to every plane in the fleet I work for, some of the pilots discriptions were "I can hear the engine but can't feel it any more". I'm running a warp drive and all the blades are weight matched but the prop still needed a dynamic balance. When a prop is dynamic balanced your balancing the engine also. If you want to get the most life from your engine/airframe it is a must do. Last thing, 1 outa 10 props dosent need any weight but I urge anyone who reads this to do it, the wear and tear on your aircraft will be reduced

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Permalink Reply by John Austin on December 7, 2016 at 8:18am

I agree, David!  I've got a Jabiru 3300 6-cylinder and a Sensenich carbon fiber GA prop, which always seemed very smooth with little vibration. However, I did a DynaVibe balance myself and found there was plenty of room for improvement!  Supposedly the limits of human perception of vibration are </= .07 ips.  I was able to balance my prop/engine down to a final result of .03 ips - now that is smooth!  :>)

John

N750A

Permalink Reply by Terrence "Dr. Terry" Hall on December 8, 2016 at 6:51am

Thank you for the suggestion. Just another thing to worry about but this build is a learning experience.

Permalink Reply by david shrader on December 9, 2016 at 12:38am
I personally think it's a must. It's as important as plugs an oil IMO. Want a cheap noticeable performance improvement, dynamically balance.

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