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  #161  
Old 11-04-2019, 06:37 PM
NinerBikes NinerBikes is offline
 
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Location: Granada Hills
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Originally Posted by Piper J3 View Post
Follow-up to post #132 above...

So, I spent $345 plus shipping for two sets of 861-189 floats and two gaskets. I did the installation this morning and took my digital gram scale with me to measure the old floats, and you guessed it, each pair of floats weighed less than 7 grams. Original floats with 428TT and 100% 93E10. Nuts...
Friend Bob just went through the same thing... Smell of fuel was coming from a non sealing O-Ring on the gas cap, despite the latch and bolts tensioning and compressing/displacing the o ring slightly in the filler neck tube. Replaced the O-Ring, Bob thinks it might be an annual replacement job, adjusted the "squish" of the O-Ring, and the smell of raw fuel is now gone from the cockpit.

It will now take a flat blade screwdriver to move/pry the latch up to remove the fuel cap, from here on out.

Hope this helps someone else.
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  #162  
Old 11-19-2019, 02:47 PM
jeterjim jeterjim is offline
 
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Location: Orange Beach, AL
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Default heavy floats
This is 2019 isn't it? I started working in my dad's service station 50+years ago. Rebuilt a multitude of carbs and I don't remember sinking floats. In 50+years Bing carbs have gone backwards. This is my 4th set if bad floats in 3 years. That's $600+ in new floats. Come on Rotax! Sorry for the rant.
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  #163  
Old 11-19-2019, 02:54 PM
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Piper J3 Piper J3 is online now
 
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This is 2019 isn't it? I started working in my dad's service station 50+years ago. Rebuilt a multitude of carbs and I don't remember sinking floats. In 50+years Bing carbs have gone backwards. This is my 4th set if bad floats in 3 years. That's $600+ in new floats. Come on Rotax! Sorry for the rant.
I'm curious if your latest failed floats are the newest PN 861 189 with shortened brass guide sleeve? I don't know of any 861 189 floats that have failed.
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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 618
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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  #164  
Old 11-23-2019, 04:50 PM
jeterjim jeterjim is offline
 
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Yes they are the new floats
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  #165  
Old 11-23-2019, 05:57 PM
NinerBikes NinerBikes is offline
 
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Yes they are the new floats
And what are you running for fuel? 100LL, Mogas E-10, or ?
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  #166  
Old 11-23-2019, 06:10 PM
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Piper J3 Piper J3 is online now
 
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Yes they are the new floats
That's unfortunate. I haven't heard of the new floats failing. A lot of us bought the new floats thinking the shortened brass sleeve would decrease overall weight and add buoyancy. Oh, well...

When your floats sank did you weight them?
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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 618
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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  #167  
Old 11-23-2019, 06:42 PM
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tomkk tomkk is offline
 
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I think my last sinkers were the new ones with the short sleeves ... Mogas with ethanol used exclusively.
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RV-12 N121TK ELSA #120845; first flight 06/10/2015; 700 hrs as of 02/2020
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  #168  
Old 11-23-2019, 08:15 PM
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I think my last sinkers were the new ones with the short sleeves ... Mogas with ethanol used exclusively.
And did you weigh them to confirm out of spec?
__________________
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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 618
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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  #169  
Old 11-24-2019, 05:57 AM
jeterjim jeterjim is offline
 
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yes, I did
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  #170  
Old 11-24-2019, 07:21 AM
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Piper J3 Piper J3 is online now
 
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yes, I did
And what did they weigh?
__________________
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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 618
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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