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Old 01-28-2014, 03:19 PM
Mike S's Avatar
Mike S Mike S is offline
Senior Curmudgeon
Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 14,136

Originally Posted by Walt View Post

So I guess the title should be changed to "The Amazing Shrinking Air Filters".
Mike Starkey
VAF 909

Rv-10, N210LM.

Flying as of 12/4/2010

Phase 1 done, 2/4/2011

Sold after 240+ wonderful hours of flight.

"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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Old 01-28-2014, 06:47 PM
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Snowflake Snowflake is offline
Join Date: Oct 2009
Location: Victoria, BC, Canada
Posts: 3,141

Originally Posted by LifeofReiley View Post
Correct... while down for condition inspection, just send yours back in for warranty if shrunk up, it is covered. they do shrink.
Just tell them you were running it in your RV, and it shrank.
Rob Prior
1996 RV-6 "Tweety" C-FRBP (formerly N196RV)
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Old 01-28-2014, 06:59 PM
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LifeofReiley LifeofReiley is offline
Join Date: Jan 2005
Location: Round Rock, TX
Posts: 3,776

Originally Posted by Snowflake View Post
Just tell them you were running it in your RV, and it shrank.
Yup.. lawnmower, tiller, etc... million mile warranty and they really don't care. New one on the way...
N622DR - Serial #V7A1467 RIP Aircraft Drowned in the 05/2015 Memorial Day Flood
VAF# 671
Repeat Offender / Race 007
Friend of the RV-1
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Old 01-31-2014, 01:19 PM
Doug Rohrer Doug Rohrer is offline
Join Date: May 2009
Location: Bowling Green, KY
Posts: 175
Default Replacement?

Will they give you a new one even if you have cut a little notch in it to clear part of the carb?
Doug Rohrer
Bowling Green, KY
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Old 02-16-2014, 10:23 AM
Dorfie Dorfie is offline
Join Date: Aug 2009
Location: Lexington, KY
Posts: 432
Default So please help me

I received my FF kit.
Nowhere does the part# E-3450 appear on the filter, only on inventory list. It was sealed in a plastic bag, no box. No VANS or K+N number on the bag.
On one side it says A077A6-T, on the other side it says A077A6-B.
The measurements are as supplied in Brantel's post.
It is round and not oblong as shown in the plans. What keeps it in oblong shape inside the FAB. (I have not build the FAB yet, but could not find the answer to this in the description).
Printing on the filter also says "oil before using". Is it OK to use as implied in this thread? Is there a way that I can tell if it was indeed oiled? It has pink/purplish color to the element.
Thank you.
RV10 Flying, N245JM
2018 dues paid with a smile
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Old 02-16-2014, 01:17 PM
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CharlieWaffles CharlieWaffles is offline
Join Date: Nov 2010
Location: West Linn, Oregon
Posts: 1,345

When you build the FAB there are tabs that hold the filter in place. These tabs will make the filter form an oval. The filters come pre-oiled now (the red color on the filter) so no need to add anything except during future maintenance.
CharlieWaffles - But you can call me "Mark"
Flying - AKA Still Tinkering
Build Project Site
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Old 02-18-2014, 11:51 AM
jchang10 jchang10 is offline
Join Date: Nov 2005
Location: San Francisco, CA
Posts: 516

My last filter bought in 7/2012 already looks exactly like that in the OP. It has shrunk about 1.5 to 2 inches in only 1.5 years. I can't imagine keeping the filter on for 4 to 5 years. It would probably look like a donut.

Instead of ordering the filter from Van's, i think i will order it from the local autoparts store for $10 or $15 more. Then in a year from now, i will try and swap for a new filter under warranty with the original sales receipt.

Just found out the local autoparts stores dont carry it in stock. There goes that idea. argh!

#40533 RV-10
1/2006 Started build
10/19/2011 First flight
11/26/2011 Phase 1 Done
12/25/2013 First coast to coaster HAF to K88 to JYO

Last edited by jchang10 : 02-18-2014 at 12:08 PM.
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Old 05-05-2014, 11:50 AM
crabandy crabandy is offline
Join Date: Jan 2010
Location: Ottawa, Ks
Posts: 1,868

Because of this post I've kept an eye on my filter, here it is after 31 hours on the tach. I really can't believe it shrunk that much, you can see the sharpie marks of the original diameter on the FAB.

A phone call to K&N followed by an email with pics and a description of purchase date, time in use etc netted me a new filter in the mail.

I'm curious if it's the filter or the installation/Fab that is making it shrink.
RV 7 300 hours and counting
12/17 donation
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Old 05-05-2014, 12:10 PM
Wayne Gillispie Wayne Gillispie is offline
Join Date: Apr 2009
Location: USA
Posts: 1,494

Originally Posted by crabandy View Post
Because of this post I've kept an eye on my filter, here it is after 31 hours on the tach. I'm curious if it's the filter or the installation/Fab that is making it shrink.
Did you install FAB drain tube?

I am wondering if those like me that installed the aluminum piece on the inside, which causes a little more clamping force on filter are having this problem?

Also what are your normal cruise altitudes? This filter is marginally sized for a 360 cu in at 2700 rpm, let alone my 540. If you fly low/high MP/high RPM a lot, you might be creating a higher pressure differential. I rarely fly low and rarely at high power settings due to birds(live and man-made).

Mine is exactly the same size after 135 hrs 2.5 yrs.
Good judgment comes from experience, and a lot of that comes from bad judgment.
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Old 08-23-2014, 07:17 PM
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Vlad Vlad is offline
Join Date: Oct 2008
Location: NJ
Posts: 7,352

Today I replaced air filter with new after almost 1,300 hours. It deteriorated a bit during three years in service. It was cleaned and recharged at every condition inspection.

It held the same shape.

But it chewed a hole in the bottom of FAB which was promptly fiberglassed.

Where is N666BK?

Не имей сто рублей, а имей сто друзей.
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