Avionics News July 2015 - 27

Photos courtesy of Hartzell Engine Technologies

Hartzell Engine Technologies has expanded testing capability to ensure the quality of its alternators. Every HET rotor, stator and final alternator assembly
undergoes complete electrical performance testing for a variety of parameters before they are built and shipped.

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turn distributes it to the various system loads, including
Switching devices:: Their primary use is to control
maintaining battery charge. The first thing to verify is that
the flow of electrical current throughout the system.
the alternator must be adequately sized to support the system
Again, they need inspection to ensure they're in good
at peak load and have some margin."
condition to do their job.
Unbeknownst to many installers, this
While problems with any of these
is
where
many of today's avionics panel
electrical system components can lead to
upgrades ultimately run into trouble. The
avionics performance issues, the two that
original alternator (or generator) doesn't
are most problematic are the alternator
IF YOUR CUSTOMER'S
have the available juice to properly power
and battery. And since it's at the head of
INSTALLATION
all the avionics.
the system, we'll concentrate the rest of
BUDGET CAN STAND
So before you get into installing
our story on the alternator.
IT, YOU MIGHT WANT
anything in the panel, it's a good idea to
TO INCLUDE A NEW
check the alternator (generator) to make
Alternators 101
ALTERNATOR AS PART
sure it is making full power.
One of the best places to start a tutorial
OF YOUR NEXT PANEL
"One way to check is to measure the
on modern aircraft alternators is by
UPGRADE PACKAGE.
bus voltage with a DMM," said Al Ingle,
talking with the folks that build and repair
president of Capital Avionics Inc. "You
thousands of them every year: Hartzell
are
going
to
measure
the DC and AC voltages. You will
Engine Technologies.
see the ripple in the DC voltage output. If you're unsure,
"During normal operation, the alternator serves as
you can compare it to another aircraft on your ramp. But
the electrical source for the aircraft," explained Rick
Quave, vice president of engineering at Hartzell Engine
Technologies. "It supplies power to the bus, which in
Continued on following page

THE BOTTOM
LINE IS THIS:

AVIONICS NEWS

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JULY

2015

27



Table of Contents for the Digital Edition of Avionics News July 2015

Point of Communication
AEA Now
The View from Washington
International News and Regulatory Updates
ADS-B Strategy Accelerated
Member Profile
More Power to the Panel
Legacy of Small Town Airports
A Conversation With...
Current Status of ADS-B Deployment in the U.S.
Member Profile
Garmin’s G3X Touch
Artisanal Avionics
The Standy Power Dilemma b
What’s Working?
Business Basics
Aviation Aces
What’s New
Marketplace Classifieds
Avionics News July 2015 - Intro
Avionics News July 2015 - Cover1
Avionics News July 2015 - Cover2
Avionics News July 2015 - 1
Avionics News July 2015 - 2
Avionics News July 2015 - 3
Avionics News July 2015 - Point of Communication
Avionics News July 2015 - 5
Avionics News July 2015 - AEA Now
Avionics News July 2015 - 7
Avionics News July 2015 - 8
Avionics News July 2015 - 9
Avionics News July 2015 - 10
Avionics News July 2015 - 11
Avionics News July 2015 - The View from Washington
Avionics News July 2015 - 13
Avionics News July 2015 - International News and Regulatory Updates
Avionics News July 2015 - 15
Avionics News July 2015 - 16
Avionics News July 2015 - 17
Avionics News July 2015 - ADS-B Strategy Accelerated
Avionics News July 2015 - 19
Avionics News July 2015 - 20
Avionics News July 2015 - 21
Avionics News July 2015 - Member Profile
Avionics News July 2015 - 23
Avionics News July 2015 - 24
Avionics News July 2015 - 25
Avionics News July 2015 - More Power to the Panel
Avionics News July 2015 - 27
Avionics News July 2015 - 28
Avionics News July 2015 - 29
Avionics News July 2015 - 30
Avionics News July 2015 - 31
Avionics News July 2015 - Legacy of Small Town Airports
Avionics News July 2015 - 33
Avionics News July 2015 - 34
Avionics News July 2015 - 35
Avionics News July 2015 - A Conversation With...
Avionics News July 2015 - 37
Avionics News July 2015 - Current Status of ADS-B Deployment in the U.S.
Avionics News July 2015 - 39
Avionics News July 2015 - 40
Avionics News July 2015 - 41
Avionics News July 2015 - 42
Avionics News July 2015 - 43
Avionics News July 2015 - Member Profile
Avionics News July 2015 - 45
Avionics News July 2015 - Garmin’s G3X Touch
Avionics News July 2015 - 47
Avionics News July 2015 - 48
Avionics News July 2015 - 49
Avionics News July 2015 - 50
Avionics News July 2015 - 51
Avionics News July 2015 - Artisanal Avionics
Avionics News July 2015 - 53
Avionics News July 2015 - 54
Avionics News July 2015 - 55
Avionics News July 2015 - The Standy Power Dilemma b
Avionics News July 2015 - 57
Avionics News July 2015 - 58
Avionics News July 2015 - 59
Avionics News July 2015 - What’s Working?
Avionics News July 2015 - 61
Avionics News July 2015 - 62
Avionics News July 2015 - 63
Avionics News July 2015 - Business Basics
Avionics News July 2015 - 65
Avionics News July 2015 - 66
Avionics News July 2015 - 67
Avionics News July 2015 - Aviation Aces
Avionics News July 2015 - 69
Avionics News July 2015 - 70
Avionics News July 2015 - 71
Avionics News July 2015 - 72
Avionics News July 2015 - 73
Avionics News July 2015 - What’s New
Avionics News July 2015 - 75
Avionics News July 2015 - 76
Avionics News July 2015 - 77
Avionics News July 2015 - Marketplace Classifieds
Avionics News July 2015 - 79
Avionics News July 2015 - 80
Avionics News July 2015 - Cover3
Avionics News July 2015 - Cover4
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