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Old 03-21-2021, 05:14 PM
robjahnke robjahnke is offline
Join Date: Apr 2020
Location: Sartell
Posts: 1
Default MS80-430 FLOAT KIT

It's time for the CI on one of my Rotax 912s. I have read every post in this thread and I want to thank everyone for their fantastic contributions. It appears that MS did what Jim (Piper J-3) suggested --- removed material from the top of the float to reduce the weight. I sincerely hope this long sad saga is over! I ordered two pair of MS80-430's today

I have two Rotax 912 ELSA powered airplanes. One with 277 hrs (2006) and one with 102 hrs (2005). Both were run exclusively on 91 Non-Oxygenated Mogas in Minnesota. The floats still meet specs, BUT as pointed out in this forum, one month after weighing them, they may sink.

As of October 2019, I have switched to 94UL Avgas (Swift Fuel) which is identical to 100LL without the lead. Unfortunately this fuel is not widely available, but hopefully that will change.

Thanks again.

BTW Jim, I learned to fly in a 1946 J3 C65 - N6848H. Your J-3 (N6841H) and mine must have been on the mfg floor at the same time in 1946
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Old 04-03-2021, 06:29 PM
jrock836's Avatar
jrock836 jrock836 is offline
Join Date: Nov 2020
Location: Burleson, Texas
Posts: 231

As I continue my work on getting my new to me plane up to date, I ran across the 14-10-14 REVISION 1 Service Bulletin that hasn't been addressed.

According to my logbooks, looks like the prior owner installed floats three different times. The last floats were 861-182 floats in mid-2015.. Guess I'll soon be weighing the floats to see if I can join the Sinker Club too... Based on everyone else, I guess I can probably expect to be replacing floats.

Has anyone ever had a Rotax 861189 float go bad yet? I saw the one person mention it, but never reported back with further information, so I'm not sure.. Anyone else?

How about the Marvel-Schebler/McFarlane floats? Any of those gone bad or started getting heavier yet?
Van's RV-12 #120566 - ELSA - N49DD
Spinks Airport, KFWS, Fort Worth, TEXAS!

Pvt Pilot since '79! / USNR - MA2
Retired LEO / PADI MSDT / SDI OW Instructor
Scuba Equipment Tech (PT Retirement Job)

“If you can walk away from a landing, it’s a good landing. If you can use the aircraft the next day, it’s an outstanding landing.” – Chuck Yeager


Last edited by jrock836 : 04-03-2021 at 06:32 PM.
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Old 04-03-2021, 06:46 PM
JFCRV12 JFCRV12 is offline
Join Date: May 2015
Location: Liberty Township OH
Posts: 208

My Marvel floats continue to be great.
2021 Dues Paid!
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Old 05-21-2021, 07:28 PM
Piper J3's Avatar
Piper J3 Piper J3 is online now
Join Date: Nov 2014
Location: Hinckley, Ohio
Posts: 2,424

I’m getting ready to install the latest version Marvel Schebler floats. I don’t need a show of hands to say they are good – I want to know if anyone has a concern about this newest version.

I have to assume this is the total fix Bing float problem…
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 670

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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