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01-24-2022, 08:45 AM
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Join Date: Jun 2019
Location: 7FL6
Posts: 9
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Air filter cover plate; air filter distorting ? Why?
I've had two air filters distort. The air filter medium is bent out of shape. The air filter cover plate that should hold the air filter in place cracked where the leading edge on the outboard side is bent up to screw in place to the baffling. I don't have my plans with me, as I am away from home for the next 3 months. Anyone know the part number for the air filter hold down cover plate? IO390 engine, standard Vans finishing kit baffling. Anyone else having a problem with their air filter getting distorted? Any suggestions about what to do? Thanks, JDW
__________________
Slow Build, Thunderbolt, HRT74 prop, TS Flightlines, Garmin IFR panel, Lemke interior, Aircrafter's Refinishers paint job. Based at KJGG
190 hours logged since October, 2020
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01-24-2022, 09:06 AM
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Join Date: Aug 2015
Location: Leesburg, VA
Posts: 599
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Backfires probably when starting.
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01-24-2022, 10:22 AM
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Join Date: Oct 2007
Location: Sacramento, CA
Posts: 3,943
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As Chris mentioned, backfire in the intake. Part # CB-00033 @$8
Multiple people have had this to happen
__________________
Mehrdad
N825SM RV7A - IO360M1B - SOLD
N825MS RV14A - IO390 - SOLD
N258SM RV14A - IO390EXP119 - Out of Paint shop & flying
Dues paid
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01-24-2022, 10:23 AM
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Join Date: May 2018
Location: Oviedo, FL
Posts: 130
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Quote:
Originally Posted by N667CD
Anyone know the part number for the air filter hold down cover plate?
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CB-00033 Air Filter Frame Cover
Backfire most likely, as Chris mentioned.
__________________
Alex C.
2021 RV-14A: Flying as of 4/13/21 (~98hrs), and painted by Evoke Aviation on 5/18/22
1999 Cessna 182S - Sold
https://alex-rv14a.blogspot.com
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01-24-2022, 11:54 AM
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Join Date: Jun 2019
Location: 7FL6
Posts: 9
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Air Filter hold down cover plate on order from Vans; THANK YOU FOR PART NUMBER
Roger, thanks guys, for the speedy reply. Part on order from Vans. Now I need to learn how to start engine without a backfire. JDW
__________________
Slow Build, Thunderbolt, HRT74 prop, TS Flightlines, Garmin IFR panel, Lemke interior, Aircrafter's Refinishers paint job. Based at KJGG
190 hours logged since October, 2020
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01-24-2022, 02:18 PM
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Join Date: Jan 2005
Location: Ontario, Canada
Posts: 1,607
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Many of these filters could be sourced locally; check local automotive supply stores.
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Tom Martin RV1 pilot 4.6hours!
CPL & IFR rated
EVO F1 Rocket 1000 hours,
2010 SARL Rocket 100 race, average speed of 238.6 knots/274.6mph
RV4, RV7, RV10, two HRIIs and five F1 Rockets
RV14 Tail dragger
Fairlea Field
St.Thomas, Ontario Canada, CYQS
fairleafield@gmail.com
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01-25-2022, 04:30 AM
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Join Date: Sep 2019
Location: Windsor, Ontario
Posts: 539
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Quote:
Originally Posted by N667CD
Roger, thanks guys, for the speedy reply. Part on order from Vans. Now I need to learn how to start engine without a backfire. JDW
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Perhaps check your timing.
__________________
Glenn Martin
Windsor, Ontario
1941 Tiger Moth
2017 Waco YMF-5
RV-14 Kit # 140694 - First Flight June 22, 2021
RV-14 A - Kit Ordered February 8, 2022
2022 Dues Paid
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01-25-2022, 05:31 AM
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Join Date: Oct 2014
Location: Sebastian Fl X26
Posts: 207
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I have also seen it happen on shutdown if mixture control is not correctly adjusted to be not quite lean enough to do a full shut down.
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Dennis Callaghan (X26)
- RV14 sn:140193 - Awesome airplane!
- donation 11/27/2021 * 2
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01-25-2022, 09:14 AM
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Join Date: Jan 2010
Location: Southern California
Posts: 457
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Excess horsepower deforming the filter?
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RV6A in phase 2 as of April 2016
Donation made Oct 2021
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01-25-2022, 12:15 PM
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Join Date: Jan 2019
Location: Anacortes Wa
Posts: 465
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My -7 blew out a filter and it looked just like that ... after a backfire from too much priming.
IO-360 EFII Ignition
__________________
RV-7 Tipper
Bill (Wild) VA-165 '90-'93
Anacortes, Wa
First Flight 7/17/2021!! 200 hours 6/22
 - Been there, Donated 2022
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