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  #1  
Old 11-06-2022, 10:08 AM
cactusman's Avatar
cactusman cactusman is offline
 
Join Date: Oct 2012
Posts: 558
Default Carb Balance tube source

Would help if i used the right terminology. Amazing that i could actually survive 20,000 hrs and 3 turbine engine failures and yet still i fight my dyslexic reading tendencies daily....

Changelog
02/11/2022
RV-12 MM Section 7 REV 3: Added note to ‘CAUTION’ statement to add MIL-PRF-83282 to approved brake fluids.
RV-12 MM Section 12 Rev 7: Added Throttle Return Spring Retainer callout to Figure 28. Removed instruction to disconnect throttle spring during idle adjustment.
RV-12 MM page 18-5 Rev 11: Manifold Pressure Hose; 5 years was 10 years.
RV-12 MM page 18-5 Rev 11: Added “Oil Vent Interconnect Hose; Replace; 5 Years; (pp) 12-16
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Last edited by cactusman : 11-06-2022 at 11:07 AM.
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  #2  
Old 11-06-2022, 10:11 AM
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Piper J3 Piper J3 is offline
 
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E-LSA or S-LSA?
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Jim Stricker - EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 830

LSRM-A Certificate 2016 for RV-12 N633CM
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father - CFI) - USAAF 1st Lt. Captain B-17H
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  #3  
Old 11-06-2022, 11:09 AM
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cactusman cactusman is offline
 
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ELSA - I assume this is the small rubber-ish hose that we remove to conduct carb balances?
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  #4  
Old 11-06-2022, 01:30 PM
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Piper J3 Piper J3 is offline
 
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With E-SLA, you have freedom to use whatever hose you'd like. I replaced coolant and vacuum hoses with High-Performance Silicone Heater Hose. As I recall the hose for the intake manifold crossover was an odd size. Photos show thick wall hose used for this application. I sourced from HPS. Below is spec for tubing used for crossover and for coolant overflow tank...

HPS 1/4" ID Blue High Temp Reinforced Silicone Heater Hose Tubing, 6mm

HPS 7/16" ID, 1 Foot Length, Silicone Straight Coupler Tube Hose, High Temp 4-ply Reinforced, Blue, 11mm ID
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Jim Stricker - EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 830

LSRM-A Certificate 2016 for RV-12 N633CM
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father - CFI) - USAAF 1st Lt. Captain B-17H
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  #5  
Old 11-08-2022, 10:12 PM
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MartySantic MartySantic is offline
 
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I used NAPA H179 0.4375 inch I.D. for the Rotax compensating tube.
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  #6  
Old 11-09-2022, 01:04 AM
rvbuilder2002 rvbuilder2002 is offline
 
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Quote:
Originally Posted by cactusman View Post
ELSA - I assume this is the small rubber-ish hose that we remove to conduct carb balances?
The hose described in the MM revision is the small diam. hose that goes between the nipple on the crossover tube and the MP sensor.
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Formerly of Van's Aircraft Engineering Prototype Shop
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  #7  
Old 11-09-2022, 09:09 AM
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Quote:
Originally Posted by rvbuilder2002 View Post
The hose described in the MM revision is the small diam. hose that goes between the nipple on the crossover tube and the MP sensor.
Ahhhhhhhhhhh...the plot thickens (or gets skinnier...) lol
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