24 The Groppo Trail
E-AB or E-LSA; have it your way
BY GRANT SMITH
EAA Experimenter 3
Features
02 Tower Frequency
BY JACK J. PELTON
04 Homebuilder's Corner
BY CHARLIE BECKER
06 News from HQ
NEWS FROM EAA
08 Flightline
INDUSTRY NEWS
28 Hints for Homebuilders
A 'Wright' Tip
BY CY GALLE Y
Departments
Columns
CONTENTS
Vol.4 No.4 I April 2015
18 The Additional
Pilot Program
The FAA blesses having a second pilot
involved in E-AB fl ight testing
BY BUDD DAVISSON
30 Under the Cowl
Flygas Power Tuning for Rotax 912 Engines
BY MARINO BORIC
EAA PUBLICATIONS
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Copy Editor: Colleen Walsh
Multimedia Journalist: Brady Lane
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Contributing Writers: Charlie Becker,
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Dan Grunloh, Grant Smith
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10 A Big Bore RANS
Super S-7S
Powerful fun!
BY DAN GRUNLOH
On the cover: T e Groppo Trail in f ight.
(Photography courtesy of Nando Groppo SRL.)