The Fort Wolters Trumpet (Fort Wolters, Tex.), Vol. 10, No. 12, Ed. 1 Friday, September 16, 1966 Page: 2 of 12
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Page 2, Fort Wolters Trumpet, Friday, September lb, 1966
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. 11
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Heliport --
AND THE RAINS CAME — Heavy rainfall September 9 caused
waters to churn through the railroad trestle bridge over the
small creek running through Fort Wolters. Post Engineers
measured 7" of rainfall by 4 p.m. Friday and an additional
1/2" over the remainder of the weekend. On Thursday Fort
Wolters received 2 1/2" of rain making a total of 10" over
a long weekend. Water flow caused shoulder damages to
Pershing and Hamilton Roads. The bridge abutments on
Pershing Road were damaged and other post roads as Knight
Road received only minor water damages. Rising waters
necessitated the sandbagging of the dock and vents at Beach
Army Hospital. (Weatherford Democrat Photo)
Fll
MT
AF
TV
T
WITH GABBY
(Continued from Page 1)
One of eight children, Colonel Downing
attended grade school in Eagle, Idaho and.
graduated from high school at Boise,
Idaho, He cam; on active duty with the
UjS.Army as a First Lieutenant when the
41st Div, of the Ida 10 Nauonal Guard
was federalized.
During World War n he served in the
engineer section of the Ninth Army in
England, France, Belgium, Holland, and
Germany. At one time all five of the
Downing brothers served overseas as of-
ficers during WWII. During the Korean
war, he was, successively, Cnief of the
Arm}' Aviation section, Korean Military
Advisory Group, and Cnief of the Army
Aviation Division, Transportation section,
Headquarters, 8th U„S„ Army.
Decorations held by Colonel Downing
included the Legion of Merit; Bronze Star
Medal, the Army Commendation Medal
with Oak Leaf Cluster; the Korea Service
Medal with three Oak Leaf Clusters; the
Korean government's Chungmu Dis-
tinguished Military Service Medal; and the
General Staff Identification Badge, In addi-
tion he was awarded many campaign and
service medals3
Colonel Downing is survived by his
widow, Esta Mae Lucas Downing, a son,
C. Glenn Downing, and four grandchildren,
all of San Francisco, Calif, Survivors also
include his four brothers: Allen L»
Downing, McMinnville, Oreg„; twins, Roy
and Ray Downing of Anchorage, Alaska;
Ted A. Downing, Eagle, Idaho; Mrs.E„A.
Poorman, Graham, Washington; and Mrs.
Ho P„ Goebel, Alexandria, Va„ Both of
Colonel Downing's parents, Almon L„ and
Flora Evelyn Mills Downing are deceased,
as is a sister, Leona. MAN WTH STEEL BEHET - PFC Roger K. Chale of Grand Ford, N.D., wends Ms
„ weary back totus tent after an allmght ambush patrol. His face shows the strain
The Fort Wolters Trumpet e'HWh° iS Signed lo the 101st Airborne Division, was a
participant m Operation Harrison," a mission to search, sweep and destroy the
ie Cong in an area that was not swept by American forces in the past. (This photo
won the Chief of Communications-Electronics Award for Photography - it was made
by SFC Peter R. Ruplenas who is assigned to the U.S. Armv Special Photographic
Detachment in the Pacific.)
K
HOW GOOD IS GOOD?? Got to discus-
sing the relative merits of various heli-
copters with a couple of Other aviators
during the "monsoon" the other day. From
an aerodynamic standpoint, there is one
objective way to express the efficiency of a
'copter. This is known as the "Figure of
Merit."
Just for the fun of it when we finally
waded home, I whipped out my trusty
combat slide rule, and my aero engineer-
ing notes from USC, and worked-up Fi-
gures of Merit for both the TH-55A and
the OH-23D.
Succinctly, the Figure of Merit is a
horsepower ratio which expresses the re-
lative efficiency of the helicopter's rotor
system. Mathmatically it is expressed
as:
M — Ideal Hovering Horsepower
Engine Power Required To Hover
A theoretically perfect rotor system
should then have a Figure of Merit which
equals unity, or one. Aerodynamycists
classify any rotor system whose Figure
of Merit is greater than 0.70 as a highly
efficient rotor system.
It should be emphasized to the reader
that the Figure of Merit represents only
one mathmatical condition covering an ex-
treme of aerodynamic conditions. These
conditions are: maximum gross weight,
maximum main rotor takeoff rpm. and
maximum sea level power. .
Interestingly enough, considering these
extremes, the TH-55A has a lower Fig-
ure of Merit—0.59—than the OH-23D.
which has a Figure of Merit of 0.68.
By way of comparison here are the
Figures of Merit of some of the other
helicopters in the Army inventory:
OH-13E o.62
UH-19B o.72
CH-34A o.68
UH-1A (Surprize) 0.55
CH-21C 0.78
Readers can calculate the Figure of
Merit of any helicopter themselves by
using the following procedure:
Given Factors —
Maximum Gross Weight
Maximum Rotor Takeoff RPM
Rotor Diameter in Feet, "D"
HPmax or Maximum Sea Level
Horsepower
(Deduct .20 of rated horsepower to
account for torque and accessory
drive horsepower loss).
Then find:
1. Rotor Tip Speed in feet/second.
A -(pi)(D*J Pic 3.14159
4 '
3. Induced Velocity of blade
V
tip
s D
2
x RPM
9.55
2. Area swept by Rotor Disc System
in ft 2:
Your Career
Counselor
Upl
ARMY
, where
"q" a .0023
4. Ideal Hovering Induced Power:
(Where "T" equals max gross
weight).
HFihS
5. Disc Loading in lbs/ft 2:
X
A
tV T"= Max Cross Wfc
6. Power Loading in lbs/hp:
a -«80Max hp.
7. M, or overall Figure of Merit:
HP
M s ih
P
a
The computations are high school level
math and should afford no difficulty. Us-
ing this procedure Army aviators can
qualitatively assess the efficiency of their
favorite helicopters, or new designs. Have
fun!
Published in the interest of the military
and civilian personnel at Fort Wolters,
Texas, every Friday by W.D. Hart & Sons,
Inc., Weatherford, Texas. Policies and
statements reflected in the news and edi-
torial comments represent views of the
individual writers and under no circum-
stances are to be considered those of the
Department of the Army. Advertisements
in this publication do not constitute an
endorsement by the Department of Defense
of the products or services advertised.
All news matter for publication should be
sent to the Information Office, THE WOL-
TERS TRUMPET, Fort Wolters, telephone
Exts. (431), (255), (256). This is not an
official Army newspaper, however, this
publication receives Armed Forces News
Bureau and Army News Features material
and papers are authorized to reprint non-
copyrighted AFNB andANF material with-
out written permission.
Distribution: One copy per military
personnel, one copy per family unit, and
one copy per civilian employee.
Advertising copy should be sent to
W. D. Hart & Sons, Inc., 110 Fort Worth
Street, Weatherford, Texas, Tel.
LY 4-7447. Subscription off post, $6.00
per year; $2.50 for three months. Dis-
tribution on post, free.
All pictures are United States Army
Signal Corps photographs unless other-
wise noted. The publication of these is
not restricted except in cases involving
republication for advertising purposes at
which time permission of the Department
of the Army must be obtained.
BUY U.S.
SAVINGS
BONOS
WHERE YOU BANK OR WORK
^IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIHillllllllllllllllgllllllillllllllllllllllllllllllllllllllllllllllllllllllllllllllHU'
1 EDITORIAL I
j Charity Begins At Home I
= The annual Ft. Wolters United Fund Drive starts Monday, September 19 1
^ and ends Friday, October 7. The short, three-week drive will cover two 1
^ civilian and one military pay period. Funds received from the drive will ^
= underwrite the support of 27 welfare agencies in Parker and Palo Pinto =
| counties. Donors may give to either county fund or divide their donations =
S between the two counties.
Charity is a fundamental tenet of the Judaeo-Christian ethic upon which |
| our nation is founded. The venerable saying, "Charity begins at home " |
| provides an apt description of Ft. Wolters participation in this year's fund- |
S raising campaign. No fewer than eight of the 27 supported agencies provide H
5 direct support for heaiyi and welfare organizations serving Ft. Wolters. 1
H The balance of the agencies supported provide indirect support for Ft. =
= Wolters personnel and their dependents. 1
| The American Red Cross, the Boy Scouts, the Girl Scouts, the Little 1
| League, the Youth Activities Council, the United Service Organizations |
2 (USO), Transient Welfare, and the 4-H Clubs, to name but a few, all !§
= benefit Ft. Wolters through the medium of United Fund donations. j§
= S°0(i works performed by these organization for military personnel s
| are tangible and concrete. For the military family subjected to frequent I
| moving, the efforts of these organizations help to provide a continuity and i
H sense of direction — as well as belonging — to children whose "Dad is =
E overseas." =
1 „ The brevity ,of this year's United Fund campaign makes it necessary 1
| for both the military and civilian personnel at Ft. Wolters to respond s
5 promptly to the fund drive. All are reminded to be cognizant of this fact =
| and to be generous in their donations. Let the words of the Holy Scriptures § I
E be your guide: =
"Though I have all faith, so that I could remove mountains, and have §§
= not charity, I am nothing." =
I Corinthians XIII.2.
TfflllllllilllllllllllllllllllllllllllllllilltlllilllillllilltlflllllllllllillllllllliillllllHIIIIIIIIlillilllllllllllltllllllillllllllllilliUlllllitUllllliUliUHHHIIil^
S \
INVEST YOUR SAVINGS
Reenlist for "Something To Build On."
A terrific demand now exists both in the
United States Army and in many large
civilian firms for qualified aircraft main-
tenance men and repairmen. Plan for the
future now by taking advantage of your
reenlistment option for one of the many
maintenance or repair courses the UJS.
Army offers in the aviation field. By tak-
ing advantage of this option, you will
insure your future whether you choose
to remain in the Army or go on to a
civilian career in the aviation field.
You may attend school at either Fort
Rucker, Ala. or Fort Eustis, Va. depend-
ing on what particular area of aircraft
maintenance or repair you wish to enter.
This quite diversified field includes such
specialties as Multi-Engine Airplane Re-
pairman; Single Engine, Single Rotor He-
licopter Repairman; Aircraft Electrician;
Aircraft Hydraulics Repairman and many
others. Your training will consist of from
10 to 20 weeks of formal military school-
ing and then the most important part of
your training, practical experience in the
application of what you learned in school.
In addition to the excellent training and
ejqperience you will gain in this field, many
personnel in this field receive proficiency
pay and flight pay which adds a sub-
stantial amount to their monthly income.
For the man really looking for a secure
future with steady advancement, this field
offers much.
If you have less than seven years
active federal service and are now eligi-
ble for a short discharge for the purpose
of immediate reenlistment, you may quali-
fy for one of these highly technical schools.
Contact SSG Alfred L, (Roy) Million at
Bldg. 237, or telephone Ext 285 for fur-
ther details. Let the Army give YOU
"Something To Build On".
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The Fort Wolters Trumpet (Fort Wolters, Tex.), Vol. 10, No. 12, Ed. 1 Friday, September 16, 1966, newspaper, September 16, 1966; Weatherford, Texas. (https://texashistory.unt.edu/ark:/67531/metapth417117/m1/2/?q=Lamar+University: accessed June 1, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting Boyce Ditto Public Library.