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<< Lancair Builders' Mail List >>
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To all builders,
I recently returned from a trip to read many LML summaries and find the
threads interesting but confusing and hoping that the whining would stop
once the engine was shut down. One request was to make sure that the
Lancair "model" be included in the "RE". This is important and helps keep
down the confusion. Let's also remember that Lancair 235/320/360 have the
greatest variability since these range from kits only containing molded
parts to super fast builds, from short engine mounts and small tails to long
mounts and/or MKII tails and individual customization. Also note that the
Legacy 2000 will have the least variability since the warp speed kits
require more fit and finish work than actual customization and construction.
In any event, let's not lose our ability to think vertically. Not every
builder has a fully equipped machine shop, but we all have minds and
muscles. My Pappy always said "Use your head or don't get out of bed".
I want to respond to some specific queries and will do so in item specific
replies, but first I want to make some general points which we should keep
in mind:
The best answer to a question comes from experience in the area questioned,
conditioned with the environment in which the experience was gained.
Something learned years ago with different materials is just worth the
lessons learned and may not specifically apply today (See my future e-mail
on primer/paint and e-glass). Some simple tools may give a superior result
(See my e-mail on Stainless Firewall holes). Some materials are reasonable
and appropriate for the task (See my e-mail on Nylaflo and brakes).
Every system we work on should be checked for the following:
1) Will this work in a high vibration environment? This pertains to
materials (work hardening), fasteners (lock or castle) and routing (no
chaffing), etc.
2) Will this work at the temperatures it will see?. Hot (engine
compartment) or cold (hi altitude wheel well), etc.
3) Will this work with negative G's? In turbulence or inversion, will loose
things block controls, etc.
Of course, systems should be checked for things pertinent to the system such
as electrical, hydraulic, etc.
Scott Krueger
Lancair 320 - N92EX
Legacy 2000 - Kit #2
Challenger II - N98SK (tube and fabric)
EAA Chapter 579 Tech Counselor
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LML website: http://www.olsusa.com/Users/Mkaye/maillist.html
LML Builders' Bookstore: http://www.buildersbooks.com/lancair
Please send your photos and drawings to marvkaye@olsusa.com.
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