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Reload this Page Running Mods for Bing Carbs at SI-912-032
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  #1  
Old 02-20-2019, 07:56 PM
DHeal DHeal is offline
 
Join Date: Sep 2006
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Default Running Mods for Bing Carbs at SI-912-032
Hot off the press: https://legacy.rotaxowner.com/si_tb_...si-912-032.pdf
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  #2  
Old 02-21-2019, 12:27 AM
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Piper J3 Piper J3 is online now
 
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Guaranteed not to sink?

Here we go again...

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Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 618
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  #3  
Old 02-21-2019, 05:56 AM
AirHound AirHound is offline
 
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Hopefully Available to the masses initially at a good faith discount.
Last edited by AirHound : 02-21-2019 at 05:58 AM.
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  #4  
Old 02-21-2019, 10:41 AM
NinerBikes NinerBikes is offline
 
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Maybe you can return your old ones for credit? Or just get the MS brand that are blue and sealed in epoxy, since epoxy is pretty much inert to everything.
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  #5  
Old 02-21-2019, 11:03 AM
AirHound AirHound is offline
 
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Quote:
Originally Posted by NinerBikes View Post
Maybe you can return your old ones for credit? Or just get the MS brand that are blue and sealed in epoxy, since epoxy is pretty much inert to everything.
I got some of those blue ones and they were a tad overweight out of the box. Sadly, returned them. Dang!

Just advised by parts store that 189's are not available on their shelves yet, however, for all intents and purposes, they are same as 188's except for who made them...and different ID mark.

Anybody out there happy with the blue ones???
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  #6  
Old 02-21-2019, 12:13 PM
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How much is a tad overweight?
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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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  #7  
Old 02-21-2019, 12:53 PM
Driftdown Driftdown is offline
 
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Quote:
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Hopefully Available to the masses initially at a good faith discount.
Yeah . . . like a direct exchange.
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  #8  
Old 02-21-2019, 05:25 PM
AirHound AirHound is offline
 
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How much is a tad overweight?
Sorry the numbers escape me, but between 7 and 8 per pair.
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  #9  
Old 02-21-2019, 05:58 PM
mdoyle mdoyle is offline
 
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I purchased and installed a pair of the Marvel Schebler floats. Weight out of the box was: 3.7 and 3.8 grams.
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  #10  
Old 02-21-2019, 09:08 PM
N456TS N456TS is offline
 
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Quote:
Originally Posted by AirHound View Post
I got some of those blue ones and they were a tad overweight out of the box. Sadly, returned them. Dang!

Anybody out there happy with the blue ones???

I would not assume that the Rotax test for floats applies to the MS80-430 floats. They're different floats. The only thing that matter is if the horizontal float pins align at the same location when the bowl has fuel in it. Weighting them using the specs of a foam float is in the realm of - my Chevy uses this spec, so I'll assume the Honda does too. In the case, the testing method will work for both float styles, however, the weight specs should be different between the different designs. I'll be ordering a set of MS80-430 soon, as I suspect I'll be forced to change floats again...
Last edited by N456TS : 02-21-2019 at 09:12 PM.
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