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rv8iator(at)gmail.com
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 Posted: Sat Sep 28, 2013 5:14 pm Post subject: W.L. Gore replacement for RG-400 |
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Gore RG316 is much smaller and lighter than RG400... probably a lot more $$$. Â I haven't found a source for small quantities or even a sample for that matter. Â Has anyone any info as to a source?
Chris Stone
RV-8
W. L. Gore & Assoc. Inc. has introduced a new, lighter-weight RG coaxial cable for aircraft communication and navigation systems, providing significant weight savings without compromising performance. When compared to standard RG coaxial cables, these new cables reduce operating costs because they are as much as 20 percent lighter with a 15 percent smaller diameter. This smaller and lighter profile coaxial cable still meets the stringent electrical and mechanical requirements of MIL-T-81790 and EN 3475-503. The cables engineered for electrical impedance of 50 and 75Ω also exceed the electrical requirements of MIL-C-17G.Â
The special cable design of Gore's new RG coaxial cables facilitates easier routing and improved abrasion resistance for the cables. The jacketing material used in the cable's construction significantly reduces size while maintaining shielding effectiveness, controlling impedance, and withstanding operating temperatures ranging from -65 to 150C.Â
RG316
GORE Cable nom. diameter2.54 mm
0.100 inch 2.18 mm
0.086 inch2.49 mm
0.098 inch 2.07 mm
0.082 inchWeight 160 g/m
10.8 lbs/1000ft12.4 g/m
7.96 lbs/1000ft 18.0 g/ma
12.2 lbs/1000ft12.7 g/m
8.13 lbs/1000ft Jacket materialFEP Engineered FluoropolymerFEP Engineered FluoropolymerOperating temperature range -65°C up to 150°C
-85F up to 302F -65°C up to 150°C
-85F up to 302F-65°C up to 150°C
-85F up to 302F -65°C up to 150°C
-85F up to 302F Property RG179
StandardRG179
GORE RG316
Standard RG316
GOREMax. Voltage 1200 V1200 V 1200 V1200 V Capacitance63.6 pF/m
19.4 pF/ft 63.6 pF/m
19.4 pF/ft96.43 pF/m
29.4 pF/ft 96.43 pF/m
29.4 pF/ftImpedance 75 +3/-3 Ω75 +3/-3 Ω 50 +2/-2 Ω50 +2/-2 Ω Attenuation typical/max
  (at) 100 MHz min/max
  (at) 400 MHz min/max
  (at) 1.0 GHz min/max dB/100feet
8.0/9.2
15.5/21.0
26.7/30.7dB/100feet
8.0/9.2
15.5/21.0
26.7/30.7dB/100feet
7.6/11.0
16.0/21.0
26.2/38.0 dB/100feet
7.6/11.0
16.0/21.0
26.2/38.0Attenuation typical/max
  (at) 100 MHz min/max
  (at) 400 MHz min/max
  (at) 1.0 GHz min/maxdB/30m
7.9/9.1
15.3/20.7
26.3/29.6 dB/30m
7.9/9.1
15.3/20.7
26.3/29.6dB/30m
7.5/10.8
15.8/20.7
25.8/37.4 dB/30m
7.5/10.8
15.8/20.7
25.8/37.4
[quote][b]
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Bob McC
Joined: 09 Jan 2006
Posts: 258
Location: Toronto, ON
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| Posted: Sat Sep 28, 2013 7:40 pm Post subject: W.L. Gore replacement for RG-400 |
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Several questions come to mind.
How much weight do you think you’ll save on the average plane?? (I would suspect almost nothing as the various cables don’t amount to much in the first place) Using the numbers in the chart you provide if you have 250ft of coax in your plane you might save ½ lb if the fittings weight the same.
What fittings are used for terminating this cable, at what cost, how readily available and what tools are required for their installation??
Bob McC
From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Christopher Cee Stone
Sent: Saturday, September 28, 2013 9:14 PM
To: aeroelectric-list(at)matronics.com
Subject: W.L. Gore replacement for RG-400
Gore RG316 is much smaller and lighter than RG400... probably a lot more $$$. I haven't found a source for small quantities or even a sample for that matter. Has anyone any info as to a source?
Chris Stone
RV-8
W. L. Gore & Assoc. Inc. has introduced a new, lighter-weight RG coaxial cable for aircraft communication and navigation systems, providing significant weight savings without compromising performance. When compared to standard RG coaxial cables, these new cables reduce operating costs because they are as much as 20 percent lighter with a 15 percent smaller diameter. This smaller and lighter profile coaxial cable still meets the stringent electrical and mechanical requirements of MIL-T-81790 and EN 3475-503. The cables engineered for electrical impedance of 50 and 75Ω also exceed the electrical requirements of MIL-C-17G.
The special cable design of Gore's new RG coaxial cables facilitates easier routing and improved abrasion resistance for the cables. The jacketing material used in the cable's construction significantly reduces size while maintaining shielding effectiveness, controlling impedance, and withstanding operating temperatures ranging from -65 to 150C.
RG316
GORE
Cable nom. diameter
2.54 mm
0.100 inch
2.18 mm
0.086 inch
2.49 mm
0.098 inch
2.07 mm
0.082 inch
Weight
160 g/m
10.8 lbs/1000ft
12.4 g/m
7.96 lbs/1000ft
18.0 g/ma
12.2 lbs/1000ft
12.7 g/m
8.13 lbs/1000ft
Jacket material
FEP
Engineered Fluoropolymer
FEP
Engineered Fluoropolymer
Operating temperature range
-65°C up to 150°C
-85F up to 302F
-65°C up to 150°C
-85F up to 302F
-65°C up to 150°C
-85F up to 302F
-65°C up to 150°C
-85F up to 302F
[b]Property[/b]
[b]RG179[/b]
[b][b]Standard[/b][/b]
RG179
GORE
RG316
Standard
RG316
GORE
Max. Voltage
1200 V
1200 V
1200 V
1200 V
Capacitance
63.6 pF/m
19.4 pF/ft
63.6 pF/m
19.4 pF/ft
96.43 pF/m
29.4 pF/ft
96.43 pF/m
29.4 pF/ft
Impedance
75 +3/-3 Ω
75 +3/-3 Ω
50 +2/-2 Ω
50 +2/-2 Ω
Attenuation typical/max
(at) 100 MHz min/max
(at) 400 MHz min/max
(at) 1.0 GHz min/max
dB/100feet
8.0/9.2
15.5/21.0
26.7/30.7
dB/100feet
8.0/9.2
15.5/21.0
26.7/30.7
dB/100feet
7.6/11.0
16.0/21.0
26.2/38.0
dB/100feet
7.6/11.0
16.0/21.0
26.2/38.0
Attenuation typical/max
(at) 100 MHz min/max
(at) 400 MHz min/max
(at) 1.0 GHz min/max
dB/30m
7.9/9.1
15.3/20.7
26.3/29.6
dB/30m
7.9/9.1
15.3/20.7
26.3/29.6
dB/30m
7.5/10.8
15.8/20.7
25.8/37.4
dB/30m
7.5/10.8
15.8/20.7
25.8/37.4
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[quote][b]
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_________________
Bob McC
Falco #908
(just starting) |
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nuckolls.bob(at)aeroelect
Guest
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| Posted: Sat Sep 28, 2013 8:47 pm Post subject: W.L. Gore replacement for RG-400 |
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At 08:13 PM 9/28/2013, you wrote:
| Quote: | Gore RG316 is much smaller and lighter than RG400... probably a lot more $$$. Â I haven't found a source for small quantities or even a sample for that matter. Â Has anyone any info as to a source?
Chris Stone
RV-8 |
RG316 is a contemporary incarnation of RG174
with modern, high temperature insulation and
double shielding. It's been around for a long
time and is offered from numerous sellers on
eBay. Uses the same connectors/tooling as
RG174.
Popular with consumer WiFi and GPS antenna
manufacturers. About twice the loss as RG400
but cheaper too. 40-75 dollars per hundred feet
roll is the going street price.
Bob . . . [quote][b]
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