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JPI Pays For Itself in 20 Minutes

September 17, 2013 by Craig Peyton

Dear JPI:

At the urging of my mechanic  we installed your JPI700. I had used a competitor’s engine monitor, but found lean of peak operation exceedingly difficult and engine performance data limited.

Within the first 20 minutes of my departure for northern Canada (i.e., Cambridge Bay, NU, Inuvik, YK), the #5 EGT  suddenly reached maximum. Remarkably, the engine was running smoothly with a minimal roughness on magneto check. Given the nature of the planned 10,000 nm excursion, I returned to home and discovered a cracked, intermittently functional spark plug. In twenty minutes, the JPI700 paid for itself. Kudos to JPI. In addition, lean of peak operation is much easier and the ideal mixture more apparent.

To the downside of my JPI experience, I believe the JPI manual is remarkably poorly written. Undefined abbreviations, unintelligible compound sentences, splitting modifiers, and lack of a clear focus to each paragraph made reading the manual into a chore, and understanding the manual nearly impossible. My mechanic states that it was written for/by the FAA and not for the pilot. Would it be possible for me to supply an alternate copy of the manual, one that is easy for the pilot to read?

The training CD’s made use of the JPI700 possible. Without those, the pilot is forced to stumble through the unintelligible wording in the manual.

I have nothing but compliments for the JPI700. You saved my engine, maybe my life. The manual could use work.

Thanks for your consideration.

Sincerely yours,

LB

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