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05-03-2016, 10:03 AM
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Join Date: Aug 2006
Posts: 313
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My aerosport IO-375 came with the updated dipstick. You might be able to contact them to purchase.
__________________
Tom Hanaway
Moved to Murphy, NC
RV-10/N518TP-sold
repeat offending-8A N116TP-Now Flying
based in Copperhill, TN 1A3
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05-11-2016, 12:58 PM
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Join Date: Nov 2009
Location: Anchorage, Alaska
Posts: 457
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Complied
I picked up my replace stick today...it's about 3/8ths of an inch longer than the original and the markings have been move that corresponding difference. Wow, this seems like a tempest in a teapot as I must say I don't read mine that close when I pull it...needs to be off by a whole quart before I add...well, $167 later I hope Lycoming covers under warranty...
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Burke Wick
Flying RV 8
Anchorage, Alaska
VAF Dues Paid for 2020
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05-11-2016, 07:43 PM
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Join Date: Nov 2014
Location: Plano, TX
Posts: 225
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Quote:
Originally Posted by Berchmans
I picked up my replace stick today...it's about 3/8ths of an inch longer than the original and the markings have been move that corresponding difference. Wow, this seems like a tempest in a teapot as I must say I don't read mine that close when I pull it...needs to be off by a whole quart before I add...well, $167 later I hope Lycoming covers under warranty...
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Do you think you could post a photo showing both of them side by side?
I think I am confused. If the new one is longer then the old one with the same spacing of the markings starting at the bottom the old one should show a lower oil level indication then there actually exists. That would be a safe but potentially wasteful condition. However, the SB says the old one gives a higher oil level reading then there actually exists which is an unsafe condition so I am confused.
Would also be good to know how the warranty claim works out for you. I certainly won't spend 167$ for a new dip stick out of my pocket if I can just recalibrate the old one at my next oil change for free... . After all mandatory SBs have little legal meaning for an experimental engine... .
Oliver
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05-12-2016, 06:06 AM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,516
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What if I do nothing? i.e. do not comply.
The SB says "5 quarts (5 liters)" like that is the same. Granted .28qt would seem like a minor difference, but 3/8" is probably less than that.
So - what happens with my new M1B, if I do nothing with this? Not to the engine, that is not relevant - it is the paperwork that counts to lawyers, FAA, and insurance.
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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05-12-2016, 06:45 PM
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Join Date: Nov 2005
Location: Asheville, NC
Posts: 2,692
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I think I may just stamp "ish" next to each of the numbers on my dipstick......
Previous post about the new stick being longer has really got me curious.
__________________
Bill Pendergrass
ME/AE '82
RV-7A: Flying since April 15, 2012. 850 hrs
YIO-360-M1B, mags, CS, GRT EX and WS H1s & A/P, Navworx
Unpainted, polished....kinda'... Eyeballin' vinyl really hard.
Yeah. The boss got a Silhouette Cameo 4 Xmas 2019.
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05-13-2016, 05:39 AM
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Join Date: May 2012
Location: Ga
Posts: 662
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Twin Comanche Oil Level has been off for 50 years
My 50 year old Twin Comanche has identical dipsticks on the Lycoming IO-320-C1A engines. However, the engines are not level due to the dihedral of the wings. What this means is that the left engine dipstick will indicate 1 qt more than actual and the right engine dipstick will indicate 1 qt less than actual. Its been this way for 50 years without a SB or AD.
Those of us with tail-draggers will also have an indication issue when parked no matter what dipstick you use. Sounds like this SB was issued without a lot of thought of reality or actual use. Maybe there is a market for custom made dip sticks for the newbie who has no knowledge of these matters. Who knows.
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Craig
RV-3 Sold
RV-4 Sold
RV-6a Sold
RV-9 IO-360 CS, Built and Flying
Aerostar 600A, Family Hotrod
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05-13-2016, 07:22 AM
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Join Date: Oct 2006
Location: Garden City, Tx
Posts: 5,145
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When I changed the sump on my IO360 from Lyc standard to Superior forward facing, I simply made the *assumption* that the sump levels might be different, buffed out the marks on the dipstick and remarked it by pouring in a quart at a time. The new marks are almost exactly on top of the old ones...
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Greg Niehues - SEL, IFR, Repairman Cert.
Garden City, TX VAF 2020 dues paid 
N16GN flying 700 hrs and counting; IO360, SDS, WWRV200, Dynon HDX, 430W
Built an off-plan RV9A with too much fuel and too much HP. Should drop dead any minute now.
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05-14-2016, 11:22 AM
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Join Date: Feb 2005
Posts: 110
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Much can be ascertained by finding out
Quote:
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I think I am confused. If the new one is longer then the old one with the same spacing of the markings starting at the bottom the old one should show a lower oil level indication then there actually exists. That would be a safe but potentially wasteful condition. However, the SB says the old one gives a higher oil level reading then there actually exists which is an unsafe condition so I am confused. - Oliver
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The dip stick is longer, but the 4 quart mark is higher up than before.
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Jim Peck
San Francisco Bay Area
RV-7
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05-28-2016, 06:52 PM
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Join Date: Nov 2005
Location: Asheville, NC
Posts: 2,692
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Quote:
Originally Posted by Lux Wrangler
The dip stick is longer, but the 4 quart mark is higher up than before.
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I did an oil change on my M1B today and the above note agrees with what I read on the "bad" 16783-18 dipstick. I put in 4 quarts and the oil level read well above the 4Q mark (I did not measure but it looked like 3/8 to 1/2"). Put in 5 quarts and did measure it. The level showed 3/8" higher than the midpoint between the 4Q and 6Q mark. Hmmm, does that mean I have been slack for 4 years? Not so fast, I don't run that low plus..........
I put in another quart to make it six and what do you know but the dipstick read 6Q dead on.
The upshot is, now I know. I may change the stick if I get around to it but it is no emergency for me personally. YMMV.
On a separate note I installed a Fumoto 202 oil drain valve today.  No more fooling with the pipe plug. Only took 10 oil changes to make me get around to it. 
__________________
Bill Pendergrass
ME/AE '82
RV-7A: Flying since April 15, 2012. 850 hrs
YIO-360-M1B, mags, CS, GRT EX and WS H1s & A/P, Navworx
Unpainted, polished....kinda'... Eyeballin' vinyl really hard.
Yeah. The boss got a Silhouette Cameo 4 Xmas 2019.
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05-28-2016, 07:28 PM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,516
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Quote:
Originally Posted by rzbill
On a separate note I installed a Fumoto 202 oil drain valve today.  No more fooling with the pipe plug. Only took 10 oil changes to make me get around to it. 
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Interesting, data usually is. On the off-topic: I installed the same valve with the nipple for attaching a hose. Will you be safety wiring the handle? How?
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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