Glenwood 118- Seeing Double

Sunny Boy · Post by **Sunny Boy** » Sun. Jun. 29, 2014 7:53 pm

Took a drive up to Maine this weekend to pick up a Glenwood Modern Oak 118. Nice weather, took the back roads from Glens Falls NY. RT 4 through Vermont and New Hampshire to RT 25 into Maine. Slow, but very pretty.

I've been seeing this Glenwood Modern Oak 118 keep coming up for sale for several years on eBay and more recently on Craig's List. Finally had a talk with the owner and explained the reason why it hasn't sold is the price has been way too high for the condition it's in. Made an offer that was reasonable and it was excepted.

Some of you may remember that last winter I and a few others were working on reproducing the 118 back pipes that are so rare, but add greatly to the efficiency.

Call for Glenwood Back Pipe Project

Well,.... it seems that project has stalled with the disappearance of the member who offered to have his original 118 back pipe parts copied.

This stove I just bought in Maine, is missing the coal grates and frame, but those are recast parts that are available.

What it does have is a complete, original back pipe, plus an original loading door smoke flap, which mine is also missing. So, after cleaning up those parts, they will be going out to be copied. Then, those parts will complete my 118 and I'll order the parts this Maine 118 is missing to make two complete 118's. Should be a good winter project.

Paul

KingCoal · Post by **KingCoal** » Sun. Jun. 29, 2014 8:26 pm

WOW, double score !!

congrats and good on ya.

steve

wsherrick · Post by **wsherrick** » Sun. Jun. 29, 2014 9:08 pm

I've said it before and I'll say it again. Anyone who assists in making these available to those who need them will be doing a great service while probably making a little pocket change along with it.
I don't know why the major stove restorers haven't done this since the parts for the back pipes are very simple to reproduce.

Pancho · Post by **Pancho** » Sun. Jun. 29, 2014 9:18 pm

wsherrick wrote:I've said it before and I'll say it again. Anyone who assists in making these available to those who need them will be doing a great service while probably making a little pocket change along with it.
I don't know why the major stove restorers haven't done this since the parts for the back pipes are very simple to reproduce.

Good lord, EVERYONE is gettin' the goods.

Why hasn't anyone made one of the back pipes?. I see the casting on there (which looks easy enough to replicate) but the main pipe itself.....is that cast too???.

dhansen · Post by **dhansen** » Sun. Jun. 29, 2014 11:04 pm

The back pipe itself is simple stove pipe. Nothing fancy!

Sunny Boy · Post by **Sunny Boy** » Mon. Jun. 30, 2014 7:08 am

dhansen wrote:The back pipe itself is simple stove pipe. Nothing fancy!

Yes.
This pipe has what looks like welded seam, but the snap-together pipe would work just as well. I use regular 6 inch snap-together for the oval to round section on my range - just above the shorter 7 inch oval reducing to 6 inch oval adapter.

The problem so far, has been that unlike the more commonly found 114 and 116 modern oaks, which use a smaller diameter, shorter back pipe, the 118 use a 6 inch pipe, so the cast iron parts are not only bigger, the pipe's internal baffle is longer.

The firepots are 17-1/2 x 11 inches - 4 inches wider, and an inch deeper than the Glenwood #6. It'll hold alot of coal. And if they are ever become available, it uses the same diameter magazine as the Glenwood #6, (#8 ?) and the Oak Parlors.

The large back pipe will get it close to the heat output of a base burner, but with less preheating of the primary air.

The 6 inch diameter back pipe of a 118 adds about one square foot more heat radiating area than a 116 back pipe, for a total of over 4 square feet more surface area than without the back pipe.

There are other benefits that the back pipe adds - especially when using wood during the shoulder months.
As with the bb's and ranges, it helps slow the fire down, making it easier to control during strong draft conditions.
It's alot easier to clean than the flues of a bb. Put the pipe in direct mode, tap the pipe and the ash falls into the bottom casting. Turn the latch, open the door in the back side of pipe's base casting and stick the nozzle of a vac in there for a couple of seconds. Put the door back in place and turn the latch. All done in about a minute while the stove is still going in direct mode.

Paul

Sunny Boy · Post by **Sunny Boy** » Mon. Jun. 30, 2014 7:21 am

wsherrick wrote:I've said it before and I'll say it again. Anyone who assists in making these available to those who need them will be doing a great service while probably making a little pocket change along with it.
I don't know why the major stove restorers haven't done this since the parts for the back pipes are very simple to reproduce.

William,
My guess is they haven't because they likely didn't have a good one to copy. Wilson is duplicating the 116 pipe parts, but a 118 with an original back pipe is rare.

I've been looking for a 118 back pipe, to buy, or copy, for about 8 years now.

The next one on my list is find an original Glenwood Oak, #6, or Modern Oak magazine to copy. Now, that would be a worthwhile project !!!

Paul

dhansen · Post by **dhansen** » Mon. Jun. 30, 2014 8:36 am

Sunny Boy wrote:
dhansen wrote:The back pipe itself is simple stove pipe. Nothing fancy!
The problem so far, has been that unlike the more commonly found 114 and 116 modern oaks, which use a smaller diameter, shorter back pipe, the 118 use a 6 inch pipe, so the cast iron parts are not only bigger, the pipe's internal baffle is longer.

The outlet on the backpipe of my 116 is basically 5 inches. I have not measured the effective diameter of the backpipe itself. Had to make a reducing bushing to fit standard 6 inch pipe. I'd be happy if I had the larger size. I thought it odd that the No.116 basically wants 5" pipe but the No.6 takes 6" given that they are very close to identical in volume.

What is the diameter of the outlet on the No.118?

dh

Sunny Boy · Post by **Sunny Boy** » Mon. Jun. 30, 2014 9:11 am

Dennis,

The pipe collars on the back of the barrel and the front of the back pipe are male/female collars. The barrel collar is 5-7/8 inch outside diameter. The back pipe collar fits over it at 6-1/8 inch inside diameter.

The outlet collar on the rear of the back pipe is another 5-7/8 inch od male collar. Just the opposite of how we like the joints to face today.

There was not much to hold it on with either. There are no screws used to hold the back pipe onto the stove. There's just a single 1/8 inch cotter pin through the top of the back pipe's collar into the stove collar. No other holes in those two collars.

There is a screw hole on each side in the barrel collar so this stove may have been used without the back pipe at some time.

The back pipe outlet has two holes in the flange. A 1/8 hole in the top, just like the cotter pin hole, and what looks like a #8 screw hole in one side.

And no fasteners at the bottom either. Just gravity holds the pipe over the base casting flange.

So it looks like, originally, the back pipe was held to the stove and the stack by just one cotter pin through the top of each collar. One cotter pin per joint certainly wouldn't make an inspector happy these days.

Paul

Glenwood 118- Seeing Double

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