What piece catches your eye the most?

That one:

The blue postage stamp catched my eye Oh, and a two-needle setup for a Space Hopper!

I think the engine in question is a Golden Bee front combined with a red horseshoe backplate off a product engine. Looks like a narrow nose crankcase to me, and as far as I know, Killer Bee was always made with a new style case, plus a dual-slit, thick-wall cylinder (do correct me if I'm wrong).

Yeah, it's the rarely seen "Blue Backplate" in among a bunch of other goodies that catches my eye.

It them Rings LOL I got a chainsaw i need to reup P.C.kit go the blue soo two speed also don't have one

The cable ratchet starter, upper right.

The Mccoy ? cylinder.

Hmmm.... the cutouts look rounded to me, but I really DO need glasses!

I am still not sure and wonder if these are up for sale?

balogh wrote:I am still not sure and wonder if these are up for sale?

I snatched this as a Buy It Now on eBay a few days ago. That's the photo from the eBay listing. The stuff came yesterday and I can take a better picture of the parts later tonight. Much of it is pretty well played with. There's parts there I'd never use, so if anyone sees anything they want, let me know.

Jacob, I currently don't have a need for any of those parts, but because of life (health, wife's health, other volunteer activities, house and vehicle repairs, etc.) just am not as busy into modeling activities lately.

What I see is beyond Cox parts are OK Cub .049 heads, needles, and hodge-podge of other engine parts.
1 NOS OK glow plug in packaging. Good addition for a display collector.

Cox parts:
2 product horseshoe engines. One has a crash damaged back but still may be useful in a balsa model. Other, anodized gold crankcase seems to have possible performance possibilities and a good photo op potential for Cox Engine of the Month Contest.
2 complete postage stamp backs w/fine needles.
2 .049 mufflers w/o tops.
1 .049 cylinder w/piston, condition unknown but may match a throttle ring.
2 throttle rings.
1 exhaust deflector protector.
1 .049 snap starter spring.
1 dual speed NVA for early Cox .049 engine. I've seen occasionally a modeling switching valve that can be servo operates to switch between needles. Value would be someone needing such to complete an early engine.

There are other Cox parts, but above are the ones that caught my eye. The Cox .049 wrench can be de-rusted and shot with a light spray of glow fuel resisting silver paint for collecting or use.

As you allude to, those parts beyond your salvage may be valuable to the one lacking, also help defray your cost of obtaining.

that blue backplate

oh, and a wrench? ya know, ya just dont see any wrenches lately
(wrench comment is a joke, I think i have an entire shoebox full of em)

cstatman wrote:that blue backplate

oh, and a wrench?  ya know, ya just dont see any wrenches lately  
(wrench comment is a joke, I think i have an entire shoebox full of em)

No joke to me. I jump on those closed ended Cox wrenches like a Buzzard on dead meat. It was the first thing that caught my eye. But yes, the blue plate special. I don't have one and if buying that would be what I would get.

Hum the blue back plate mabe for the blue dragster !!!

Here's some better pictures of the parts. This was an impulse buy after spotting that blue postage stamp backplate. The twin needle and the tall car muffler also sweetened the deal. The rest of the parts looked rough and they sure are.



The red postage stamp is modified for some reason (thank God it wasn't the blue one). All have 128tpi needles and none look mangled so that's good. The red hole-less horseshoe is broken unfortunately. The golden bee case looks like new, missing the driveplate. The ground cylinder (for use with a throttle ring) is usable but the glow head hole is squished slightly oval from some pliers, doesn't stop a glow head from threading into it and sealing, but it gives some resistance when screwing it on. The piston moves up and down without issue. The middle cylinder is a #1 and is okay but it too has some pliers marks. The stepped cylinder, also a #1 has some damage that keeps the piston from moving through it smoothly. Not a burr like often the culprit from a wrench that slipped in the exhaust ports, but rather a small dent from a wrench applying pressure on the flat part of the exhaust port. There's some exhaust deflectors. Some Kavan tank extender screws. A bent reed, bent copper o-rings, and some ripped crankcase gaskets. A needle valve with bad damage to it's threads. A narrow neck crankcase assembly that someone used as a pusher or used an electric starter on as it has excessive end play. A couple of throttle rings and the springs that clip on the crankcase, those are always fun. Recoil parts. The recoil spring and cable are good. It's missing one pawl, but both springs are there (those two things just below the golden been crankshaft). I have a recoil start engine that was basically turned into parts because one of those pawl springs was bad, so I may need to get all those parts back together now that I have some replacement springs.



One muffler missing the top ring.

The #1 stepped cylinder with the dent next to the exhaust port.






Some misc. other engine parts.





OK Cub Fuel Tank & Engine Mount #658 for .049 and .074 engines (missing screws), and Radial Mounting Bracket #950 for a .099 Cub (missing one screw and nut, but it looks like the rest are there).



Here's some more pictures of that cylinder. Any idea what it's from? It has a piston stuck in it.











I warmed it up in my hands for a bit then put some downward pressure on the piston with my thumb, and it pushed out slowly. Doesn't look damaged.




Also the two heads that look to be identical:




A closer look at the center of attention:





It looks to have speckles and small dark swirls in the Delrin.

Admin wrote:Here's some more pictures of that cylinder. Any idea what it's from? It has a piston stuck in it.




I warmed it up in my hands for a bit then put some downward pressure on the piston with my thumb, and it pushed out slowly. Doesn't look damaged.

The domed piston with tapered cross scavenge fence, cylinder's radiused intake bypass and quarter for sizing is a dead give away that it is a Testor .35 Red Head. I don't know of any other make of engine that has that feature. The K&B Torpedo .35 and Stallion have a different piston appearance, they are not domed but flat with a swept radius on the fence facing the exhaust port.


K&B .35 Green Head, piston top exposed


K&B .35 Stallion Piston, top is flat

Another tell tale sign is the whacked dimple on the top of the piston dome. This is a technique to restore compression in a worn piston / cylinder fit. One carefully whacks the top with a flat edged drift, which expands the piston slightly, spreading the piston a touch.

The assembly must be well worn and someone may have been attempting to extend the life of the Red Head. Fact you had a little of a bugger sliding the piston out probably means it was run on 100% Castor oil fuel.

GallopingGhostler wrote:

Admin wrote:Here's some more pictures of that cylinder. Any idea what it's from? It has a piston stuck in it.

I warmed it up in my hands for a bit then put some downward pressure on the piston with my thumb, and it pushed out slowly. Doesn't look damaged.

The domed piston with tapered cross scavenge fence, cylinder's radiused intake bypass and quarter for sizing is a dead give away that it is a Testor .35 Red Head. I don't know of any other make of engine that has that feature. The K&B Torpedo .35 and Stallion have a different piston appearance, they are not domed but flat with a swept radius on the fence facing the exhaust port.

K&B .35 Green Head, piston top exposed

K&B .35 Stallion Piston, top is flat

Another tell tale sign is the whacked dimple on the top of the piston dome. This is a technique to restore compression in a worn piston / cylinder fit. One carefully whacks the top with a flat edged drift, which expands the piston slightly, spreading the piston a touch.

The assembly must be well worn and someone may have been attempting to extend the life of the Red Head. Fact you had a little of a bugger sliding the piston out probably means it was run on 100% Castor oil fuel.

Maybe my eyes weren't as bad as i thought!

Admin wrote:

It looks to have speckles and small dark swirls in the Delrin.

It may be related to the instability of the blue dye used when exposed over time to light and heat.