The Bucket Foundry

[Flettner]

You know, by the end of this weekend I'm a bit over it. But I'll leave it for a while, have a think about what's happening then have another all weekender/bender.
Acerbis four hour next weekend then first of the classic enduros weekend after then maybe I'll attack it again. At least its ready for the new barrel's as they become serviceable. ISO standard bottom end and all

[adegnes]

After a lot of distractions, am able to now get back into it. Have to flare (well more of a long taper, bit of a compromise I know Frits) the pipes a bit in the straight exit length, then do the cones. The final system will be 3 vertical ups, with the tailpipes bent so they are horizontal, all facing in the same direction. This means the actual chamber sections can just be straight. During the wait for the laser cut blanks, can get back into the dyno restoration.


Attachment 325247

Awesome! Looks so cool!

It lives again. I've been around the yard on it now, timing is retarded and it's as rich as hell but it goes under it's own steam. Tick, done, throw it in the corner. Next project.

[tjbw]

Standing ovation for flettner

Hope to see more of the sleeve engine.

Future project - tune the sleeve engine?

[breezy]

Excellent work Flettner, Harry Ricardo has got to be smiling down on you

[TZ350]

............. sleeve engine, maybe a motorcycle first.

[Flettner]

Perhaps, there have been fourstroke sleeve valve motorcycle engines in the past but I'm not sure there ever has been an open ended sleeve twostroke before. Hussa will know.

[Flettner]

Splendid effort F, stay on it!

(& by "timing is retarded..." do you mean ignition, or valve?)

Ignition timing

[tjbw]

Perhaps, there have been fourstroke sleeve valve motorcycle engines in the past but I'm not sure there ever has been an open ended sleeve twostroke before. Hussa will know.

Here's a cut-away Barr & Stroud sleeve valve engine c 1920. It was used in Grindley Peerless bikes. They also made a twin. These are on display at the Sammy Miller museum in England.

Ricardo developed H35 sleeve valve 2 stroke single engine. Rolls Royce tried to develop Crecy, a V12 liquid cooled 2 stroke. It was abandoned in 1945 when they realised the potential of jet engines.

[Hemi Makutu]

The Ricardo Collection have at least one V-twin test segment of the R-R Crecy, 'tis said..

Might be a bit of a handful in a bike chassis, though ( the V-12 was deemed 'too much' to test fly in a Spitfire).

( Ta F, for the query reply).

[Flettner]

How rude of me, here is a walk around. You will see the inlet is open to atmosphere so I'm real reluctant to ride it around until that situation is remedied. I'm sure a sleeve engine would be very susceptible to ingress of dirt.
See the plumbers nightmare, many hose clips used. I'm using all four water passages on the cylinder each one aiming at an exhaust port. Starts first pull now! (thankfully).

[Frits Overmars]

The pipes are giving the engine a cuddle. Ain't that sweet? It makes me want to knit a sweater for it. Anybody got some spare steel wool?

[Flettner]

The pipes are giving the engine a cuddle. Ain't that sweet? It makes me want to knit a sweater for it. Anybody got some spare steel wool?

So long as it doesn't make it's own steel wool

A tube from the air cleaner to the carburetor will have to be made up and somehow spliced onto the rubber boot that protrudes from the airbox. I guess fiberglass would be the best route. I've never worked with fiberglass (horrible stuff) but best I learn. First steep, make a male shape to glass onto I'd imagine.

[Michael Moore]

I've made a bit more progress (with minor setbacks) on the patterns for my replica Webco CT-1 head. After I fettle the lower urethane pattern I'll start on the flasks/match plates/feed system patterns.

http://www.alloyavenue.com/vb/showth...l=1#post195446

[Hemi Makutu]

So long as it doesn't make it's own steel wool

A tube from the air cleaner to the carburetor will have to be made up and somehow spliced onto the rubber boot that protrudes from the airbox. I guess fiberglass would be the best route. I've never worked with fiberglass (horrible stuff) but best I learn. First steep, make a male shape to glass onto I'd imagine.

F, likely some plumbing/air con place will have something on the shelf that should go close..

Industrial air filters inc' foam - are also a budget alternative.

http://www.ryobi.com.au/products/det...ers-heavy-duty

Build a chicken-wire, (or similar broad gauge gauze) cage to shape/fit, & slip one of those fat filters over it?

[Flettner]

One of the problems is the bloody single shock right in the way. The airfilter pipe must be curved and oval. I would like to use the original airfilter/airbox as they work real well. This air system will be in use for many engine configurations so l want it to be nice. So guess what I've been up to today, every hour or so I nip out to the back shed and start the sleeve engine up, just because I can.