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NASA Ames Balance Inventory
Ames Balance Calibration Lab
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NASA Ames has Internal and Semi-Span Balances. The following tables include all the balances in the Ames Inventory. Contact us to find out the status of any of the listed balances. Tables of Dimensions for Ames Internal Balances and gage resistances and lead lengths for Ames Balances are also provided.

Dimensions for Ames Internal Balances

Electrical Characteristics for Ames Balances

NEMS, Inventory, Serial Number, Cal Dates for Ames Balances

Calibration Body Inventory


Note: Every effort is made to keep these tables current and correct. However, customers and users of Ames balances should verify values from personnel at Balance Calibration Laboratory.


Download NASA Ames Balance Inventory (MS Excel spreadsheet).

 

 

 



NASA Semispan Balances and Load Ranges
EZ # NEMS Residence Size / Model NF
lbs
PM
in-lbs
(ft-lbs)
AF
lbs
YM
in-lbs
(ft-lbs)
RM
in-lbs
(ft-lbs)
71
1809091 Ames 6K, MC-60-27.5 6,000 36,000
(3,000)
1,200 60,000
(5,000)
300,000
(25,000)
 
  Langley 11K, MC-110-27.5 11,000 90,000
(7,500)
2,200 132,000
(11,000)
660,000
(55,000)
69
1809090 Ames 15K, MC-150-27.5 15,000 120,000
(10,000)
3,000 180,000
(15,000)
960,000
(80,000)
70
  Ames 40K, MC-400-27.5 40,000 240,000
(20,000)
8,000 480,000
(40,000)
2280,000
(190,000)
new
2290271 Ames 30K, ARC-11-30K 30,000 300,000
(25,000)
3,000 150,000
(12,500)
1350,000
(112,500)
NASA Ames Internal Balances and Load Ranges
EZ #
NEMS INV # Size / Model
diameter in inches
N1
lbs
N2
lbs
S1
lbs
S2
lbs
AF
lbs
RM
in-lbs
0.75 inch balances:
1
440535 7090A 0.75 MK XII A (Mk12A) 5 5 2.5 2.5 10 10
2
440534 7090B 0.75 MK XII B (Mk12B) 5 5 2.5 2.5 10 10
3
  5656A 0.75 MK XV A (Mk15A) 100 100 50 50 30 100
4
637613 6042A 0.75 MK XVIII A (Mk18A) 100 100 50 50 60 60
5
440528 6144A 0.75 MK XX A (Mk20A) 25 25 12.5 12.5 50 25
6
440531 6144B 0.75 MK XX B (Mk20B) 25 25 12.5 12.5 50 25
7
440532 6144C 0.75 MK XX C (Mk20C) 25 25 12.5 12.5 50 25
8
440530 6656A 0.75 MK XXIX A (Mk29A) 167 167 83.3 83.3 83.3 25
9
440542 6656B 0.75 MK XXIX B (Mk29B) 150 150 75 75 25 25
10
440533 8246A 0.75 MK XXXII A (Mk32A) 5 5 5 5 10 10
11
440539 8246B 0.75 MK XXXII B (Mk32B) 5 5 5 5 10 none
12
638764 9618A 0.75 MK XXXIII A (Mk33A) 100 100 50 50 20 60
13
440536 9629A 0.75 MK XXXIV A (Mk34A) 100 100 50 50 20 60
14
440540 17830A 0.75 MK XLI A (Mk41A) 100 100 50 50 30 100
15
440543 11756A 0.75 3-compound: N=2, A=2, Pitch=6, S=10
16
440544 11756B 0.75 3-compound: N=2, A=2, Pitch=6, S=10
17
440529 A12855-cia 0.75: N=50, S=50, A=50, Pitch=100, Yaw=100, RM=50
EZ #
NEMS INV # Size / Model
diameter in inches
N1
lbs
N2
lbs
S1
lbs
S2
lbs
AF
lbs
RM
in-lbs
1.0 inch balances:
18
632223 5777A 1.00 MK IV A (Mk4A) 125 125 125 125 250 250
19
639119 7020A 1.00 MK V A (Mk5A) 200 200 200 200 200 200
20
440521 6665A 1.00 MK VI A (Mk6A) 400 400 200 200 40 100
21
440522 18770A 1.00 MK XIV A (Mk14A) 400 400 200 200 100 250
22
440545 18770-2B 1.00 MK XIV B (Mk14B) 400 400 200 200 100 250
23
440517 18770C 1.00 MK XIV C (Mk14C) 400 400 200 200 100 250
none
  999904 1.00 MK XXVI A (Mk26A) 600 600 300 300 200 42
EZ #
NEMS INV # Size / Model
diameter in inches
N1
lbs
N2
lbs
S1
lbs
S2
lbs
AF
lbs
RM
in-lbs
1.5 inch balances:
24
440523 400565B 1.50 MK II B (Mk2B) 500 500 250 250 300 800
25
440515 400565C 1.50 MK II C (Mk2C) 500 500 250 250 100 800
26
440514 400565D 1.50 MK II D (Mk2D) 500 500 250 250 300 800
27
440520 400565E 1.50 MK II E (Mk2E) 500 500 250 250 100 800
none
    2-Plane            
28
632222 005008A 1.50 MK XII A (Mk12A) 500 500 250 250 300 800
29
440547 5940A 1.50 MK XIII A (Mk13A) 1000 1000 500 500 2000 500
30
440519 11905A 1.50 MK XIX A (Mk19A) 250 250 50 50 250 40
31
440546 18650A 1.50 MK XXVI (Mk26) 1000 1000 800 800 2000 700
EZ #
NEMS INV # Size / Model
diameter in inches
N1
lbs
N2
lbs
S1
lbs
S2
lbs
AF
lbs
RM
in-lbs
1.75 inch balances:
32
440549 10181A 1.75 MK I A (Mk1A) 2000 2000 2000 2000 3000 1000
33
440548 10181B 1.75 MK I B (Mk1B) 2000 2000 2000 2000 3000 1000
new
3029886 37020 1.75 MK II A (Mk2A) 2000 2000 2000 2000 3000 1000
new
    MC-40H-1.75A 2000 2000 1500 1500 3000 1000
new
3031724   MC-12H-1.75A 600 600 600 600 1500 500
EZ #
NEMS INV # Size / Model
diameter in inches
N1
lbs
N2
lbs
S1
lbs
S2
lbs
AF
lbs
RM
in-lbs
2.0 inch balances:
new
3031095   MC-60H-2.00D 2500 2500 1250 1250 700 5000
new
3031159   MC-60H-2.00E 2500 2500 1250 1250 700 5000
34
440562 400230 2.00 MK I A (Mk1A) 900 900 450 450 160 1000
35
637612 400320C 2.00 MK III C (Mk3C) 900 900 450 450 500 1000
36
637611 400320E 2.00 MK III E (Mk3E) 900 900 450 450 160 1000
37
440572 300420F 2.00 MK III F (Mk3F) 900 900 450 450 160 1000
38
440525 5122A 2.00 MK IX A (Mk9A) 900 900 450 450 500 1000
39
440526 9434A 2.00 MK XII A (Mk12A) 1500 1500 800 800 200 2000
40
440527 9444A 2.00 MK XIV A (Mk14A) 1500 1500 800 800 300 2000
41
632225 27550A 2.00 MK XXIX A (Mk29A) 2100 2100 700 700 350 3800
42
440584 27550B 2.00 MK XXIX B (Mk29B) 2100 2100 700 700 350 3800
EZ #
NEMS INV # Size / Model
diameter in inches
N1
lbs
N2
lbs
S1
lbs
S2
lbs
AF
lbs
RM
in-lbs
2.5 inch balances:
43
440580 400371A 2.50 MK III A (Mk3A) 1400 1400 700 700 280 2000
44
440579 400371B 2.50 MK III B (Mk3B) 1400 1400 700 700 280 2000
45
440581 400371D 2.50 MK III D (Mk3D) 1400 1400 700 700 280 2000
46
637609 400388A 2.50 MK IV A (Mk4A) 1400 1400 700 700 200 2000
47
637610 400388B 2.50 MK IV B (Mk4B) 1400 1400 700 700 200 2000
48
1973481 004614A 2.50 MK XI A (Mk11A) 1700 1700 700 700 1000 2000
49
440576 7296A 2.50 MK XIV A (Mk14A) 4500 4500 2250 2250 5000 2000
50
440575 7594A 2.50 MK XV A (Mk15A) 2000 2000 1000 1000 800 2000
51
440577 7606A 2.50 MK XVI A (Mk16A) 2400 2400 1200 1200 1500 4000
52
440585 10600A 2.50 MK XX A (Mk20A) 3000 3000 1500 1500 600 4000
53
440583 10600B 2.50 MK XX B (Mk20B) 3000 3000 1500 1500 600 4000
54
639118 25420A 2.50 MK XXXII A (Mk32A) 3000 3000 1500 1500 250 3000
55
638782 27560A 2.50 MK XXXIV A (Mk34A) 3500 3500 1800 1800 400 5000
56
440504 27560B 2.50 MK XXXIV B (Mk34B) 3500 3500 1800 1800 400 5000
56.1
440566 13808 2.50 2-PLANE 1400 1400 700 700 400 2000
56.2
1176977 31080 2.50 MK XL (Mk40) 3500 3500 2500 2500 400 8000
new
available June 2014 MC-100H-2.50A 5000 5000 2500 2500 800 18000
57
440565 15001 2.5 Sandberg-Serrell#1 700 700 700 700 700 2000
58
440564 15020 2.5 Sandberg-Serrell#3 1400 1400 700 700 500 2000
59
440563 15060 2.5 Sandberg-Serrell#4 1400 1400 700 700 2500 1000
60
440558 45132 2.50 C-120-2.50A N=9000 P=22000 S=6000 Y=11200 R=8400 A=1250
61
440557 45131 2.50 C-120-2.50B N=9000 P=22000 S=6000 Y=11200 R=8400 A=1250
EZ #
NEMS INV # Size / Model
diameter in inches
N1
lbs
N2
lbs
S1
lbs
S2
lbs
AF
lbs
RM
in-lbs
4.0 inch balances:
62
440570 500407A 4.00 MK II A (Mk2A) 4000 4000 2000 2000 1000 16000
63
440571 500407B 4.00 MK II B (Mk2B) 4000 4000 2000 2000 400 10000
64
440568 500407C 4.00 MK II C (Mk2C) 4000 4000 2000 2000 1000 16000
65
632221 004615A 4.00 MK IV A (Mk4A) 6000 6000 3000 3000 2500 16000
66
440567 15033 4.0 Sandberg-Serrell#1A 4000 4000 2000 2000 1000 10000
67
440569 15037 4.0 Sandberg-Serrell#2B 4000 4000 2000 2000 1000 10000
EZ #
NEMS INV # Size / Model
diameter in inches
N1
lbs
N2
lbs
S1
lbs
S2
lbs
AF
lbs
RM
in-lbs
6.0 inch balances:
none
  66661(1,2,3) FlowThru 4000 4000 1500 1500 1400 7200
none
  66662(1,2,3) FlowThru
(upgrading in process)
6300 6300 4600 4600 1400 35000
EZ #
NEMS INV # Size / Model
diameter in inches
N1
lbs
N2
lbs
S1
lbs
S2
lbs
AF
lbs
RM
in-lbs
other balances:
68
638787 53100 16.36 C-120-16.3            
none
Boeing MD124433 2.5" MKXXV E (Mk25E) 5500 5500 2750 2750 1250 4992
none
Boeing 32560 2.5" MKXLI (Mk41) 4330 4330 2360 2360 500 4000
none 440559 A C-.06-2.25 note 2            
none
440560 B C-.06-2.25 note 2            
none
440561 C C-.06-2.25 note 2            

*Notes:

Note 1: Balance (EZ 48, NEMS #1973481) used to have NEMS #440574.
Note 2: GD Convair 6-component 2-shell nacelle balance.


Responsible Official:
Frank Kmak, Frank.J.Kmak@nasa.gov

Please contact:
Chris Chen, Chris.H.Chen@nasa.gov, 650-604-2815
Last modified on 12.16.2013
 

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Page Last Updated: December 30th, 2013
Page Editor: NASA Administrator