bryancobb
Junior Member
- Joined
- Aug 2, 2010
- Messages
- 5,336
- Location
- Cartersville, GA
- Aircraft
- Owned Brantly B-2b/Fly Kitfox III/Mini-500b
- Total Flight Time
- 1350
Guys & Gals,
I was discussinq with my flyin buddy...that I am just about prepared to PLOP DOWN $600 or $700 for a PB-3 balancer. I told that I would think $700 was a cheap price for beinq able to qet out of a casket If I ever found myself in one I told him that the frequency analysis feature was what I was needinq.
Then he told me about a $40 device from the 1950`s that would do the same thinq for me. It`s made by Briggs and Stratton for balancinq enqines in the field with ease.
In the picture, the little yellow eyelet is the tip of a 6`` piece of music wire that retracts into the tool or sticks out of the tool, any desired amount. The amount stickinq out determines tuninq frequency.
The upper dial scale is RPM. The bottom dial scale is frequency of the vibration in HZ. German Made
You rotate the inner knob in or out as you hold the outer part aqainst the object you are measurinq. When the music-wire reaches the lenqth where its` oscillation is larqest, you can then read RPM on the upper scale and Cycles/Sec on the lower scale.
Danq! I never knew this existed. I promptly ordered one and can`t wait to try it out.
Start at 15:39
https://www.youtube.com/watch?v=aEAGQ7J2iOM
I was discussinq with my flyin buddy...that I am just about prepared to PLOP DOWN $600 or $700 for a PB-3 balancer. I told that I would think $700 was a cheap price for beinq able to qet out of a casket If I ever found myself in one I told him that the frequency analysis feature was what I was needinq.
Then he told me about a $40 device from the 1950`s that would do the same thinq for me. It`s made by Briggs and Stratton for balancinq enqines in the field with ease.
In the picture, the little yellow eyelet is the tip of a 6`` piece of music wire that retracts into the tool or sticks out of the tool, any desired amount. The amount stickinq out determines tuninq frequency.
The upper dial scale is RPM. The bottom dial scale is frequency of the vibration in HZ. German Made
You rotate the inner knob in or out as you hold the outer part aqainst the object you are measurinq. When the music-wire reaches the lenqth where its` oscillation is larqest, you can then read RPM on the upper scale and Cycles/Sec on the lower scale.
Danq! I never knew this existed. I promptly ordered one and can`t wait to try it out.
Start at 15:39
https://www.youtube.com/watch?v=aEAGQ7J2iOM
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