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Member postings for MichaelR

Here is a list of all the postings MichaelR has made in our forums. Click on a thread name to jump to the thread.

Thread: valve seats
22/11/2009 19:39:38
Hi Pete.
I think you would be better making bronze valve pockets and press fit in cylinder head, you will get a better and long lasting seat for the valve.
Thread: Piston Ring Material
22/11/2009 11:58:03
Thanks Jens, I will be visiting my local car breaker, never gave a thought to the cast iron content of a scrapped car.
Thread: Drilling problem - the sequel.
22/10/2009 19:27:15
Give the drill point a little flat by rubbing on a oil stone, in other words blunt the drill, doing this can help, it also works when drilling  Perspex..
Thread: Hall Effect Sensor
16/10/2009 17:49:35
Have a look at this siteHere they stock spare Hall effect sensors for model ignition systems also magnets and complete ignition systems. 
Thread: Lathe open gearing lubrication
30/08/2009 11:22:11
Rocol Make a good open gear lubricant seeHere
Thread: Riveting
27/08/2009 17:31:42
   Insert an round headed snap head rivet from the inside. Knock the protruding rivet stem on the outside of the frame into the countersunk hole and then file flat.
As you say, is the way to do the job.
Thread: Subscription number
26/08/2009 10:11:21
Hello David,
After trying many different permutations of my subscription number I finally succeeded thanks to your post.
I now look forward to going through the back numbers.  
Thread: DRO
14/08/2009 14:26:05
I am still working with Calipers, Dividers and rule, and making one part to fit another
Thread: Stuart No 501 Boiler Pressure Gauge
05/08/2009 16:30:21
In the 1981 Stuart Catalogue the 501 boiler used a Syphon  No 113/2 which was screwed 3/16" for a 3/4" dia face dial, the 3/4" and 1" dia gauges use the same spec syphon. As the boiler is rated at 60 lbs a 80lbs gauge would do, I think the 3/4" dia gauge would look OK on that boiler. By the way a 3/4" dia gauge is listed with the No 1035 Marine Boiler.
Thread: Oliver Tiger
17/07/2009 16:17:04
New Oliver Tiger info on this site.   
Oliver Tiger 2.5cc Marks 3 & 4: £155
Oliver Tiger 2.5cc Mark 5: £210
Oliver Tiger Cub 1.5cc Mark 2: £155
Oliver Tiger Major 3.5cc: £165
Oliver Tiger Cub Schnurle: £165
Thread: RLE Engine
13/07/2009 13:27:52

Mike, Have a look at this site regarding the RLE it gives a good account of a complete rebuild of the RLE lots of pictures.

Thread: Rivets and Riveting
07/07/2009 09:21:58
The rivet stem should be one and a half times it's diameter longer than the the the thickness of the material  it's joining
Iron rivets are soft so shouldn't need heating, I have annealed copper rivets before heading.
06/07/2009 13:26:38
I first form the rivet head using a flat end punch and I work around the rivet forming a turned over edge something like the rag on a well used cold chisel, then I finish off the head with the head forming snap. I find that I can control the shaping of the rivet better by using this method.
Thread: hunt for a past model maker
03/07/2009 15:44:56
Try this web site and look in the history page you may find a lead for what you are looking for.
Thread: Piston Ring Material
27/06/2009 18:52:37
Thanks for the info, I hadn't given any thought regarding hard spots in the cored bar, not a good thing with piston rings.
Like John I will get a large drill and continue to make swarf
26/06/2009 15:42:11
I make my own Piston Rings for my Hit and Miss IC engines, and have to use solid cast iron bar, of course most of the bar is bored out to swarf and bar is not cheap.
I have never come across cored cast iron in any advertisements in the modelling press, anybody know if cored cast iron is available in model engine sizes.
Thread: Jan Ridders Pressure-controlled Two-stroke engine
20/06/2009 16:30:19
John, Could you fix the magnet in a brass or alloy insert and fit that insert into the fly wheel, this would save you making a new flywheel and may get you up and running quicker.
I have a RLE Hit and Miss engine and have the magnet fitted to a alloy disc which is fitted to the half speed timing gear, see here hope this works !!
The ignition system is a buzz coil kit that I had to make up.
Thread: Ignition coils for small engines
05/06/2009 16:02:01
Hi John,
A UK supplier for ignition systems here
At the moment I am using the Jerry Howell Buzz coil circuit on my RLE Hit and Miss engine, these circuits had to be made up from components, the systems on the above site are ready to go which sounds good.

Edited By David Clark 1 on 26/06/2009 08:11:52

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