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Certified Engine question

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bcharvet(at)bellsouth.net
Guest

Posted: Sun Nov 15, 2009 12:42 pm Post subject: Certified Engine question

I had installed a used Continental A-65 on my recently finished 

project.  In the process of getting ready for my airworthiness 

inspection with the FAA we did a compression test and found one cylinder 

to be low(35/80).  The engine ran great but did have a lot of blow-by.  

Oil pressure was appx 25 at idle and mid 30's above 1200 rpm.  I pulled 

the weak cylinder and found that the #1 rod bearing has excessive wear.  

I mean like you can do the push pull thing and feel slop.  The engine 

came with log books, was 1500 SMOH, but I was hoping to get through 

phase 1 flight testing, since the logbook compressions were all good.  

Basically I understand now the engine needs a total rebuild.



So here is my question.. I am no an A&P, but have lots of experience 

rebuilding engines of both air cooled and water cooled all in 

automobiles.  I'm confident I can do this myself.  I already had started 

overhauling parts prior to finding this engine and have a rebuilt case, 

crank, and cam.  I've been told that to call my engine a Continental 

A-65 and leave the data plate on, that all this work would need to be 

signed off by an A&P.  I have a certified Sensenich wood prop installed 

and was hoping for a 25 hr Phase 1.  All the paperwork is already sent 

in the the FAA and the inspection is scheduled for Dec 4.  So if I do 

this work myself , do I call it a Ben Charvet 65 HP?  Bet that would 

drive the insurance folks nuts.



I also have one other option.  I have my trusty old Baby Ace that is in 

bad need of a restoration, but has a 350 SMOH A-75 with a McCaulley 

metal prop (would help my W&B).  I was really hoping to keep flying the 

Baby Ace right up till my first flight in the Piet, but I could just 

swap that engine on, change the paperwork with the FAA, and rebuild the 

A-65 at my convenience while restoring the Baby Ace at some later date.  

I was really hoping to sell the Baby Ace, but its not worth more than  

its engine/prop anyway.



This is without a doubt the longest post I've ever made, but this is a 

tough choice.



My main question is:  If  a non-certified mechanic rebuilds a certified 

engine, can you legally leave the data plate on?  Is it still a 

Continental A-65 legally as far as the FAA/Insurance companies are 

concerned?



Thanks



Ben Charvet

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dsleepy47

Joined: 15 Dec 2007
Posts: 41

Posted: Sun Nov 15, 2009 1:51 pm Post subject: Certified Engine question

There is no requirement to remove the data plate or stop calling it a Continental. You actually have several options. If you can find an A&P who will supervise and sign off the work you do you can do that. If you want to perform the work without supervision then you make an engine log entry that it was built or experimental use. "Overhaul" has a specific meaning to the FAA and you should not put that in the log unless you meet the FAA requirements for an overhaul. The requirement for phase 1 is a certified design C the experimental engines and "kits" supplied by the engine manufactures are routinely given the 25 phase 1.



If anyone tells you the data plate needs to be removed C ask them politely which FAA regulation requires that (there isn't one).



Deems

 I've been told that to call my engine a Continental 

[quote] A-65 and leave the data plate on C that all this work would need to be 

 signed off by an A&P.

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_________________
dsleepy47
N1491R

eclarsen81(at)aol.com
Guest

Posted: Sun Nov 15, 2009 8:44 pm Post subject: Certified Engine question

Ben,



  As stated in a previous post, leave the tag on, there is no 

requirement to remove it or modify it under the current regulations.



  If to reduce your insurance costs it would benefit you to maintain the 

engine in a certified state, the money would be well spent to find an 

IA and complete the overhaul under his supervision, completing your 

yearly condition inspections with an A&P or P rated mechanic inspecting 

the motor. Should the engine be sold in the future, it could be done so 

as a certified motor.



  Barring that, taking the role on yourself, the next entry after the 

removed from previous aircraft should be that the motor was installed 

on your aircraft, identified for experimental use in accordance with 

(reg). Additional entries should be the repair or overhaul completed, 

again in accordance with (overhaul manual). Include serial numbers, 

work order numbers, and repair stations so that you can reference them 

to future AD's.



Keeping accurate records adds value to the motor should you sell it in 

the future. As far as AD's, when it is operated and maintained as 

experimental, you have the choice to comply or not.



Apply for your repairman certificate as well, that should help keep 

insurance lower as well.



Disclaimer: these are my thoughts and opinions only, your own may vary.



Good luck.



Ed

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