My first Cox, a Peewee 020

Matt G Mon Sep 07, 2020 10:28 pm

Hi all,

as I mentioned in my forum intro I've just popped my Cox cherry after 38yrs modelling with a poor old 020 I spotted on ebay. No doubt I payed too much, let this be a lesson not to drink and Ebay, but it is what it is so now I need to give it a birthday with yet more money spent (this time it will be with Bernie or Matt though....).

Can anyone give me a run down on the approximate age of the engine and if it's correctly complete or whether it's a bitsa?

Many thanks in advance, this could be a looooooong journey.

EXModelEngines Tue Sep 08, 2020 11:10 am

Hi Matt,

This looks to be from 1971-1975 based on the crankcase shape. Cox used the very 'thin-neck' during the early production then switched to this design which has a little less taper than the early ones. The last versions has no taper to the driveplate. At first glance, obviously without seeing the inside, it looks to be in good shape. The fins on the glow head can be straightened out. Could be a slight bend in the needle valve but could also just be the picture angle. Most importantly, the backplate lugs all look good!

Good Luck with the engine!

Matt

balogh Tue Sep 08, 2020 12:57 pm

Based on the component production periods in Dan Sitter's COX MODEL ENGINE HANDBOOK I would put it between 1969 and 1972. The enlarged neck nose and this type of backplate appears on engines from this period only. Also, e.g. the cylinder was thin walled before 1969 and the crankcases had straight and not tapered nose from 1973.

I repair head fins by prying the blade of a kitchen knife between dented parts and rolling the head along the blade edge until the dent is straightened.

Matt G Tue Sep 08, 2020 5:48 pm

Excellent! Thanks gents, so it's a little older than I am.

Balogh, I did read your post on straightening head fins and will certainly do it that way.

Matt, how is shipping out of the U.S. at the moment? I'll need to place a parts order with yourself or Bernie in the next day or so.

EXModelEngines Tue Sep 08, 2020 6:10 pm

Matt G wrote:Excellent! Thanks gents, so it's a little older than I am.

Balogh, I did read your post on straightening head fins and will certainly do it that way.

Matt, how is shipping out of the U.S. at the moment? I'll need to place a parts order with yourself or Bernie in the next day or so.

We have the full array of shipping options available. Standard shipping to your area has been averaging about 20 business days (sometimes up to 30), but we have seen this trending back to the normal range of 7 to 10 business days as of late.

706jim Wed Sep 09, 2020 12:15 am

Your first Pee Wee? I was a kid when it first came out and thought it was adorable then and still do today. It will run for about 2 minutes on a full tank of fuel. The printed instructions state: "Close needle valve and open 2 1/2 turns to start". Be VERY careful when closing the needle valve as it is really easy to break off the fragile tip inside the backplate if closed too tightly. If you make this mistake the engine will only run on prime.

(Speaking from experience)

EXModelEngines Wed Sep 09, 2020 9:19 am

Here is a little more detail on the age based on the Cox catalogs. So it looks like the timeframe is 1971 - 1975.

1971 Catalog Engine Page

1975 Catalog Engine Page

Matt G Wed Sep 09, 2020 5:08 pm

Awesome, thanks Matt!

So it should have a starter spring fitted by the look of that, added to the list.....

Jason_WI Wed Sep 09, 2020 5:31 pm

Those Pee Wee’s are addicting to collect. Before you know it you’ll have a jar full of them.

**944_Jim** Wed Sep 09, 2020 5:44 pm

Jason, you tease!

Matt G Wed Sep 09, 2020 6:06 pm

Jason, is that like a Swear Jar?... Laughing

getback Thu Sep 10, 2020 8:42 am

I guess 42 engines LOL >>> WE had some contest at one time whee you would guess the content of engines in a jar or setup and the winner would well win one cheers

Engine !

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