ESE's works engine tuner

[ceci]

2 STROKE LUBRICATION

Currently there are 4 commonly known methods of achieving this:
1. Oil in fuel
2. ECU controlled electronic pump, eg Mikuni.
3. Yamaha Autolube / Suzuki Posiforce mechanical pumps
4. OMC VRO
5. Any more?

Another passive way might be the use of the Marvel Inverse Oiler. As its name implies, it relies on vacuum to draw a flow of oil into the inlet manifold, the flow rate increasing as the vacuum diminishes, ie going to a higher load.

Any thoughts on whether it has ever been used (successfully) on a 2 stroke?


Attachment 348764Attachment 348765Attachment 348766

https://patents.google.com/patent/US...orto+S.P.A.%22

[lohring]

Has anyone tried this?

https://www.youtube.com/watch?v=xiI_g08H5RY&t=284s

Lohring Miller

[Flettner]

Ready to test.

[Flettner]

It goes under its own power, ripping around the yard.
All good until the chain came off, forgot to put the clip on. Couldn't find the pliers in my haste, I'll do it later I thought, I didnt.
Superficial damage only thankfully. But it runs and reasonably well.

[TZ350]

It goes under its own power, ripping around the yard.....it runs and reasonably well.

...Very Impressed ................it lives.........

[F5 Dave]

Haha. Inspirational genius foiled by human distraction and impatience. Glad it's not only me. Minus the genius part of course.

[Muhr]

2 stroke drag racing


https://m.youtube.com/watch?v=eRItqiCFuQE

[RomeuPT]

Hello

Long time, no posting.

Been doing my exhaust's, mostly stainless 304, 1mm

Does anybody have any hacks or tools for getting joint's more acurate without just hamering them? Or even to make the headers round in any other way then a regular hammer?

Arm and moslty Elbow starting to complain seriously... not strong armed :/

I think I already explored my hammer technic wheel and its only with about 450g hammer's but still...

Maybe I should create an electric hammer to beat the header welds or just train the left harm ?!

Really looking into improving efficiency.

Cheers

[lodgernz]

Hello
Long time, no posting.
Been doing my exhaust's, mostly stainless 304, 1mm
Does anybody have any hacks or tools for getting joint's more acurate without just hamering them? Or even to make the headers round in any other way then a regular hammer?
Arm and moslty Elbow starting to complain seriously... not strong armed :/
I think I already explored my hammer technic wheel and its only with about 450g hammer's but still...
Maybe I should create an electric hammer to beat the header welds or just train the left harm ?!
Really looking into improving efficiency.
Cheers

Have you tried making the headers by hydroforming?
Avoids multiple welds with potential notches and unplanned section changes.

[wobbly]

I have to ask , why are you using 1mm - I have tested this twice now on completely different engines.
0.8 makes better power.
1mm in SS would be a nightmare to hammer , as you have found.
But if the cuts are shallow enough , and with well purged welds you dont need to hammer them - in this case , no power lost.

Edit - added a un hamered pipe pic

[TZ350]

Where it starts ........

[TZ350]

[TZ350]

[TZ350]

Where it is now....

https://youtu.be/4Uv2_0n7NJY

[katinas]

Hello

Long time, no posting.

Been doing my exhaust's, mostly stainless 304, 1mm

Does anybody have any hacks or tools for getting joint's more acurate without just hamering them? Or even to make the headers round in any other way then a regular hammer?

Arm and moslty Elbow starting to complain seriously... not strong armed :/

I think I already explored my hammer technic wheel and its only with about 450g hammer's but still...

Maybe I should create an electric hammer to beat the header welds or just train the left harm ?!

Really looking into improving efficiency.

Cheers

Hi Romeu, for header section easiest way to use stainless steel 1 mm thick elbows, just cut out them at inside radius, similar to triangle shape, deform, weld and you get conical elbow.
Like Wob said, long time ago racers discovered that for diffuser, belly and baffle sections, thicker than 0.75 mm and power started to drop.

https://www.ebay.co.uk/itm/2-5-63mm-...t/112750423829