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  #1  
Old 12-15-2020, 08:48 PM
greghughespdx's Avatar
greghughespdx greghughespdx is offline
 
Join Date: Nov 2011
Location: Aurora, OR
Posts: 925
Default OP-62 Published for IO-390-EXP119 engine installation

We've published OP-62, which includes those construction steps that are specific to the IO-390-EXP119 installation for an RV-14/14A. This document, in direct combination with the applicable referenced RV-14/14A KAI sections, is used when installing this option package. We've posted this OP section as a reference for those who may be considering this option and wish to review it.

In it, you will find instructions and drawings related to various key items such as the exhaust ramp cooling flap and mechanism, firewall fittings, snorkle, cowl, exhaust, cables and control connections, and more.

https://www.vansaircraft.com/service...visions/op-62/

Thx,

greg
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Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.

Building RV-8A since Sept 2014
Dual AFS 5600, Avidyne IFD 440, Whirlwind 74RV, Superior XP IO-360
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  #2  
Old 02-18-2021, 08:39 AM
JHartline JHartline is offline
 
Join Date: Dec 2012
Location: Carrollton, GA 5GA2
Posts: 274
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Has anyone done this tunnel close out/cooling door mod to a flying -14? Looking at the plans it seems fairly straight forward. Iíve looked through the threads but donít see that anyone has retro-fitted it yet. Got a condition inspection coming soon and it would be a good time to do this if thereís enough of a benefit.
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RV-14 - First flight 4/7/2019. Phase I complete as of 9/11/2019!!
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  #3  
Old 02-18-2021, 04:50 PM
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jeffw@sc47 jeffw@sc47 is offline
 
Join Date: Aug 2014
Location: Simpsonville, SC (SC47)
Posts: 366
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Greg,

I had done a challenging modification to the RV-14A snorkel that came with my kit to adapt it to the FM200 a couple of years ago.

The first one that I modified was a throw-away, the second one came out better and I did take it to Don Rivera who put it on his air flow test stand and said that it worked to spec for the FM200.

I am wondering if the snorkel that is provided now for the IO-390 w/ the cold air sump is something that I should install as it may provide a better air flow.

I know how tight all of the install clearances are around the front of the engine in the cowl and my conditions may preclude me from attempting to do that. The last 90 degree turn into the throttle body is the critical point to get adequate and smooth airflow, which the newest snorkel might do better.

Do you have any thoughts about trying that?
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Simpsonville, SC (@SC47 > 10nm NW Triple Tree)
1946 Bellanca Cruisair 14-13-2 (74 YRS OLD 8/1/20)
RV14A (N14ZT), Ser#140195, Start 10/11/14
Contribution made 12/2/20 (USArmy 2/67-2/70)
www.mykitlog.com/jeffw@sc47
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