HEILEMANN STERNMOTOREN
Feinmechanik in Perfektion - handmade in Germany
  • 180ccm SM
  • 350ccm SM
  • 700ccm SM
  • 1. Generation | 9-Zylinder 180 ccm
  • 2. Generation | 9-Zylinder 350 ccm
  • 3. Generation | 18-Zylinder Doppelstern 700 ccm
 

November 2012 - Construction Phase 5

Merging cylinder modules and transmission modules

 

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Back case with suction implementation and admission bearing for starter carrier.

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All 18 cylinders suck in through the back case.

Pinion inboard with free rolling bearing. It’s a tight squeeze, but it fits!

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Assembling the front main bearing lid onto the first case with 9 cylinders.

The cam disc case with reduction gear (gear head) is screwed on.

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Inner life of the front engine case.

Cleaning the drill hole in the crankpins, as quite a lot accumulates with the pushing over the workbench during assembly ...

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Leveling the sealing surface with an oilstone and then cleaning with thinner.

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Center case with sealant (has to air dry for a little bit) – waiting for assembly.

Assembling center case onto front engine case.

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Preparing the back engine case for assembly.

Sealing with liquid mixture.

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Mounted engine case with center case.

Now you can already imagine the dimensions.

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Securing the back head connecting rod onto the crankpins with attached plug in gearing and lock washer.

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Fully mounted

A REAL GEM

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Assembling the suction case onto the engine carrier as well as the integrated electro-starter.

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Preparing the welding sockets for suction and exhaust, i.e. bending 18 intake manifolds as well as 18 exhaust manifolds that have to be fitted into ONE ring muffler.

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Oiling the HS carbon push rods before assembly and, not to forget, oiling the valve heads.

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Mounting the 36 HS carbon push rods ...

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Finished for today ...

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