Sample of a Request for Loan Letter:
5 July 2012
From:
Mr.
xxx xxxxxxx
Ames Supersonics Project
Mr.
To:
Kmak
Francis
J.
Chief,
Wind Tunnel Division
MS
2275
NASA
Ames Research Center
Moffett Field, CA
94035
Subject:
for Loan of NASA Ames
inch MK14C Strain
gauge Balance
Request
1.00
1.
Request
NASA
NASA AMES
of
inch
Supersonics Project requests the loan
The
the
1.00
MK14C
6component internal strain gauge balance, its
related check loading hardware, and
Tunnel.
dummy balance for the Boeing Sonic Boom Test in the GRC 8x6 Wind
The loan
a
will
from 5
period shall
July 2012 through 17 September 2012. This balance
the
be
be used
as
Primary Test
Balance.
2.
Liability
Financial
NASA
responsibility for repairing or replacing
The
Supersonics Project accepts
while in
our possession (this
the balance and associated equipment should damage occur
includes all mechanical and electrical
of the
including
the taper and outer
balance
aspects
sleeve). The
of
Supersonics Project understands the replacement cost
balance is
a
approximately $250K
refurbishment
vary widely depending on the
and
costs
damage (e.g.
cable repairs/replacements can be $2K or greater, flexure replacements can be $20K or more,
full
of
recalibrations of balance after repairs are made can be in the order
$25k).
and
3. Items Requested
MK14C
Balance The balance to be loaned shall be the Ames 1.00" diameter
6
with
component internal strain gauge balance equipped
a 29foot, permanently attached cable
.
wired with four wires
pair for excitation
terminated in taper pins
Each balance bridge is
and
(a
for
, all four
a pair
signal)
there are no independent
lines. Also
thermocouples are not
sense
.
The balance was last calibrated at Triumph in March 2008. The calibration
working
assumes
the excitation
is made at the taper pins.
sense
with the
Check Load Hardware
The check load hardware associated
1.00"
roll
MK14C
of the loan. This will
of
balance will also be part
consist
a 1.00" calibration body,
roll pin.
arms, related fasteners, and a balancetocalibrationbody