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Cox Engine of The Month
September-2021
crankbndr's

"Cherry Bomb" .051 engine

More info on this engine!




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Post  rsv1cox Wed Sep 02, 2015 7:41 am

Remember this one? Enya_116

Remember this one? Enya_c15

Remember this one? Enya_117

Remember this one? Enya_118

It got well.  It was the most difficult engine to come apart that I have ever done.  

Remember this one? Enya_119

Remember this one? Enya_120

Remember this one? Enya_121


Last edited by rsv1cox on Wed Sep 02, 2015 7:53 am; edited 1 time in total
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Post  akjgardner Wed Sep 02, 2015 7:48 am

WOW,VERY NICE ,after seeing your engines. I decided I wanted some more enya's. Iv'e been bidding on the little ones though
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Post  larrys4227 Wed Sep 02, 2015 8:01 am

Thats awesome! Good job!!
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Post  rsv1cox Wed Sep 02, 2015 8:19 am

Thanks guys.  I really like these Enya 1980/90's era engines.  They are well built and once established start easy and run well.

This one though was a major pain, took a lot of soaking and a heat gun to finally disassemble it.

Remember this one? Enya_122
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Post  Oldenginerod Wed Sep 02, 2015 8:49 am

Bob, what do you use to get the final finish on the case and muffler? Do you use steel wool or any kind of polish?
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Post  rsv1cox Wed Sep 02, 2015 11:26 am

This one I had to boil in AF intact as it would not come apart with reasonable effort, think hogged out phillips heads and damaged slots.

Remember this one? Enya_123

After boiling as you know (I got this from you Smile) it comes out with the castor and grime loosened but not removed completely, so I disassemble and scrub each piece with a tooth brush followed by fine steel wool then back in the pot for a rinse, then a warm water rinse and a compressed air blowout.  

I polish the heads (only) on an electric buffer using a compound for chrome.  Then everything gets dipped in alcohol, I just use plain old rubbing not the denatured, just before reassembly.  Then a spray of each piece with Remoil just before putting it all together, then another blow out, then a little after run oil in each opening and a lot of prop spinning.  

Your good friend here is Remoil, makes reasembly clean and easy.  

Remember this one? Enya_124

Remember this one? Enya_125

I try not to remove the crankshaft and sometimes the boil does not remove all the built up castor in the oil relief on the shaft.  I know a way to remove the prop drive washer but some minor damage always results and you just never get the factory fit back.  The carb was completely disassembled and the body cleaned/sanded with used 400 grit on a flat smooth surface.

So the solution is to use the Remoil while spinning the shaft and holding it vertically nose down.  After awhile you will see the castor come out of the area between the case and the washer, keep spinning until it runs clean, then you have a sparkling shaft that moves with no effort.  Remoil is a good lubricant that evaporates and leaves a "teflon" finish, but it's also an excellent cleaner.

Remember this one? Enya_126

Remember this one? Enya_127

I get that finish by using fine steel wool during cleaning then when reassembled spraying the engine with Remoil then wiping dry with a clean cotton cloth.

Sorry, I didn't mean to write a book here.  Smile
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Post  OVERLORD Wed Sep 02, 2015 12:48 pm

@akjgardner wrote:WOW,VERY NICE ,after seeing your engines. I decided I wanted some more enya's. Iv'e been bidding on the little ones though

This is my latest, a 19X that Dave from NZ bought for me. The info I have says that this engine was only made for about 1 year and quickly replaced by the 21X. It's Schnürle ported and has a detachable cylinder jacket just like the Conquest.

Very well done Bob.

Remember this one? Imgp5710

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Post  rsv1cox Thu Sep 03, 2015 7:54 am

Thanks Lieven, X series .19 with the box. Nice.

I'm struggling to find a single source regarding Enya engines. Lot's of old articles by Peter Chinn and others but no universal reference that would cover all the types to date has been found. RC Groups has a lot of info but it's incomplete and quite disjointed and covered with opinion.

Even within series and types there is variation, R/C - C/L. Seems that if there was a slot, Enya set out to fill it.

Bob
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Post  NEW222 Thu Sep 03, 2015 8:37 am

Awesome job. I always like before and after pictures.
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Post  OVERLORD Thu Sep 03, 2015 12:15 pm

Hi Bob,

Have a look at this page. Maybe you found this page already, it covers a great part of Enya history:

http://www.svensktmodellflyg.se/users/5466/ENYA_Model_Engine_Compendium.pdf

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Post  rsv1cox Thu Sep 03, 2015 2:04 pm

Thanks for that link Lieven

No I hadn't found that one. Looks much more complete than what I have. I have book marked it and will print it out later. Should make for good bed time reading. Smile

Looking at your engine closer, it appears that the carburetor is on backwards. Every one that I have seen always has the air bleed to the front. What do the instructions say? Maybe just the X series?

I have been trying to find a needle for one of my 19's, but all I can find is for the X series needles. Maybe they are compatible.

Bob
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Post  OVERLORD Thu Sep 03, 2015 2:38 pm

Bob, do you know "shttrman" on eBay? Send him a message, he might have what you are looking for:

http://www.ebay.com/sch/m.html?_odkw=&_ssn=shtterman&hash=item43e0cf2866&item=291534481510&_osacat=0&_from=R40&_trksid=p2046732.m570.l1313.TR12.TRC2.A0.H0.Xneedle.TRS0&_nkw=needle&_sacat=0

The carb seems to be mounted the other way around indeed. It was mounted in a car. I got flywheel and clutch and other stuff. The little lever is broken as well.
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Post  rsv1cox Thu Sep 03, 2015 4:24 pm

@OVERLORD wrote:Bob, do you know "shttrman" on eBay? Send him a message, he might have what you are looking for:

http://www.ebay.com/sch/m.html?_odkw=&_ssn=shtterman&hash=item43e0cf2866&item=291534481510&_osacat=0&_from=R40&_trksid=p2046732.m570.l1313.TR12.TRC2.A0.H0.Xneedle.TRS0&_nkw=needle&_sacat=0

The carb seems to be mounted the other way around indeed. It was mounted in a car. I got flywheel and clutch and other stuff. The little lever is broken as well.

Yes,  Bob Brooks aka shtterman and I are on a first name basis.  

He once asked me if I could speak english..... among other comments.  I have bought a lot of things from him, but once I forgot to indicate a choice between round or square venturi gaskets.  I texted him back - Round, Robert Round.  But he didn't read down on his remote device far enough to pick up the complete message,

This went on a couple of times until he really got rough.  I finally told him to "Look down further Robert", he finally picked it up and apologized, refunded my shipping charges too.  

He has some really nice new Enyas.  I'm just working up the courage to pull the trigger on a couple of them.  Smile

Bob

Edit add. Well, you helped me work up the courage, ordered an Enya .15CX BB S from him, control line of course. Got a Quicky .09 IV while I was at it. Bob will be happy if he intreprets my order correctly. Smile

Remember this one? Enya_128
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Post  getback Thu Sep 03, 2015 6:32 pm

Man That's one Hot looking Power Plant there !! Fishing sounds like you are in the Grove now , The thing about do you speak English just got my goat lol! Sorry .... I am jealous . Eric Very Happy
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