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Cox Engine of The Month
September-2020
sosam117's

"Traded an electric charger for this "Complete" (original) Cox Thimble Drome Olympic .15 engine. Right corner is photo as received."



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CEF Traveling Engine

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Cleaning Engine with Dawn PowerWash

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Cleaning Engine with Dawn PowerWash Empty Cleaning Engine with Dawn PowerWash

Post  Marleysky on Sun Mar 08, 2020 11:06 am

Saw a advert for “Dawn Power Wash” new spray and wipe dish detergent. TV add shows grease and grime melting away on pots and pans. Just like Popiels Pocket Fisherman, I had to try it.
Cleaning Engine with Dawn PowerWash 8091ae10
Here’s my new FreeBee DirtyBee
Cleaning Engine with Dawn PowerWash 0baf5f10
Spray and soak
Cleaning Engine with Dawn PowerWash F1881510
Spray and soak
Cleaning Engine with Dawn PowerWash 41df0310
Instructions say wait  a few minutes for stubborn stains, I left it for 20 minutes and lightly brushed off the softened castor oil. It’s not as clean as a overnight soak in a crockpot of antifreeze, the engine is still stuck castor tight. It did melt away the old castor oil on the exterior, just like pots and pans, does what it says. Maybe another spray and soak would get off the small amount of leftover spots off.
Cleaning Engine with Dawn PowerWash 6d252810
I’d give it a “3” out of “5”, as it does help wash away dirt and grease, but it cost about the same as a gallon of 100% anti freeze. It might be a replacement for 409 cleaner as a after flight fuselage and wing cleaner!
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Post  rsv1cox on Sun Mar 08, 2020 3:38 pm

It's a start Rene, like I say "The first layer".  

I was going to make a nasty comment about that engine the first time I saw it - Shot at and missed, crapped at and hit.  But I held off!  Smile

Simple Green concentrate works well.  I used it as a follow up to my P-40 engine boil.  Engine A/F boil, SG/tooth brush, alcohol rinse. Spray with Rem oil.

Bet that engine looks great when you finish it up.  The backplate looks like it retains most of it's color.

Bob
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Post  Mark Diedrichs on Sun Mar 08, 2020 4:38 pm

My two cents worth, I'm lazy I use Gum Out carb and choke cleaner, works like a champ!!! Try it I think you'll like it. Mark
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Post  OhBee on Sun Mar 08, 2020 8:42 pm

Easy off oven cleaner works good on that baked on crud. I know it removes baked on bug guts from chrome motorcycle headpipes!
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Post  F4D Phantom II on Thu Apr 09, 2020 8:30 pm

Hello marleysky
                                 I use Dawn Power Dissolver to clean my engines. It removes castor oil varnish fairly quick but I only leave it on for about 5 to 10 minutes and then I rinse the parts with water and using a heat gun I quickly dry them. After that I lubricate the parts with oil to avoid corrosion. I the engine parts are not lubed soon they will corrode. Also wear gloves and eye protection. I also hit the engine head with scouring powder and a stiff toothbrush to finish cleaning between the cooling fins.here is a pic.
                                                                                                                                        Juan



Cleaning Engine with Dawn PowerWash 61saba10
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Post  aspeed on Thu Apr 09, 2020 10:38 pm

If it costs the same as a gallon of antifreeze, I would look elsewhere. My old Dawn Power Dissolver was $3, and the Dollar Tree LA Totally Awesome concentrate is $1.25. They work fine, the LA is gone now and the industrial formula is a bit more corrosive I think. Check the MSDS to be sure. Simply Green I have not tried. Even a soak in methanol gives a fairly good result as is carb spray, acetone etc. I have used the antifreeze in the crock pot, but stopped, as I don't like the heat and the extra time it takes. The Powerwash seems OK, not outstanding from the pics. $$$$
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Post  smooth_bill on Fri Apr 10, 2020 12:02 am

Didn't they pulled Dawn Power Desolver off the market years ago?

It was my favorite cleaner until I found out about the AF Crock Pot method.

Bill
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Post  aspeed on Fri Apr 10, 2020 7:19 am

smooth_bill wrote:Didn't they pulled Dawn Power Desolver off the market years ago?

It was my favorite cleaner until I found out about the AF Crock Pot method.

Bill
Yes. I only use the AF crock pot for mufflers.
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Cleaning Engine with Dawn PowerWash Empty Cleaning engines with sonic cleaner and sonic cleaner soution

Post  sosam117 on Tue Apr 14, 2020 10:18 pm

I use a concentrated solution cleaner for my ultrasonic tank. 10% cleaner to a gallon of warm tap water.
The cleaner come inn a gallon jug and it's called Master Stage Cleaner 2020.
I set my sonic cleaner to heat up the solution to 130°F.

With the sonic cleaning and the very hot solution, it frees up the engine gunk and does a nice job of making the engine look new.

Cleaning Engine with Dawn PowerWash Plain_10
engines looked good but were gummed up and would not turn (before)
After sonic cleaning -- look good as new!

Cleaning Engine with Dawn PowerWash Ultaso10
My sonic cleaner

Cleaning Engine with Dawn PowerWash Master10
The sonic cleaner solution (Master Stage Cleaner 2020 concentrate)
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Post  Basswood on Wed Apr 15, 2020 4:02 am

So far Ive found WD 40 works great. softens the caster oil almost on contact, you can just blow off the gunk,doesn't seem to affect the anodizing and after soaking over night seems to help break loose stuck heads and cylinders. and NO water = no rust.
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Post  getback on Wed Apr 15, 2020 8:50 am

I use a Sonic myself after cleaning so many engine that was taking more time than i wanted I purchased one But i use simple green /water mix / lot cheaper and works . It also w/heat gets the gum from the crank bearing /shaft ( usually best to turn it a few times after it loosens and redip) Small Cox Logo
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