Rose Engine Progress

**Old-Biker-UK** · 7th June 2009, 07:16 AM

I mentioned in my intro to the forum that I was making a rose engine so here is an update.

The cutter frame is done, or at least working, not sure I am happy with the motor mounted on the compound slide, may have to build an overhead.

The rocking head is coming along with the mandrel in it’s bearings, dust covers & oilers fitted. The box section underneath will hold the dead centre rocking bearing holes when I have welded bits of plate in the holes. I plan on having the index plate & rosettes between the bearings & the pumping spring (seen in the pic) on the outboard end of the mandrel.
More pics here.
Mark

**wheelinround** · 7th June 2009, 08:49 AM

Mark thats going to be one heck of a heavy duty Rose Engine looks good

**wheelinround** · 9th July 2009, 11:23 AM

Mark I have been checking your web page on your progress the rosettes are looking good and that index wheel fantastic

**QC Inspector** · 9th July 2009, 07:40 PM

Nice work so far. The only thing I noticed is that your index plate won't do multiples of 7. However with the 7 bump rose you made you can press the touch/rubber into it to lock the shaft for that number if needed.

All the best Pete

**Skew ChiDAMN!!** · 9th July 2009, 08:02 PM

Looking impressive so far.

And mine's still just a few blocks of MDF and radiata held together by clamps. I really should get back onto building it...

**Old-Biker-UK** · 9th July 2009, 08:11 PM

Thanks for the encouragement guys.
Pete - missed that one (never was very good at 'sums', they didn't loom large on the curriculum at Brentside Secondary Modern, did make a cold chisel & a pair of book-ends though!)
Currently trying to decide if the rosette barrel phasing is by fixed detents or worm & wheel. The scrap box turned up a 2-start worm & skew gear but it has 67 teeth, no use to man nor beast

. Intend to try & cut a 60 tooth wheel but being a skew gear means the Shaper method I used for the geometric chuck is not on. Never mind, at least I can revert to the fixed detent option if the gear cutting goes ts-up.
Mark

**hughie** · 15th July 2009, 01:14 AM

Nice effort so far, look forward to seeing to completed.

**Old-Biker-UK** · 15th July 2009, 07:09 AM

Getting on with it slowly, afraid the workshop get the back seat in the summer what with gardening & other commitments (like grandchildren - bless 'em).
Managed a few bits more - decided to use the 67 tooth wheel & worm for the rosette phasing, I can always revert to plan A if is doesn't work out.

The ever faithful scrap box turned up a couple of bronze plain bearings so I turned up a pair of trunnions and now have a rocking head...

The vertical part of the angle will hold a pin to lock the headstock for normal OT work.
I have a 13" x 3/8" steel disc ready for the base plate (I knew it would come in handy one day) now just have to make a pair of rocking stops & a pair of rubber holders and I can see if it works.
The weather forecast looks good for the workshop - rain.....
Mark

**wheelinround** · 15th July 2009, 10:27 AM

Mark coming ahead in leaps and bounds

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