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Wow! That´s a good one, I´ll check.

Just for information sake. I wrote a pm to mr. Colonna few days ago, and still waiting for response. I think, I´ll go through the ebay catch via.

Thank you Steve! There's nothing I want more than being in the Indiana show, but living in Spain makes it a little bit difficult. I've send a MP to Mr Colonna, hoping he's able to help this modest builder.

I read top down these two posts, but still no clue on where to buy today a copy. Ron Colonna stopped selling copies some time ago.

Hi fellow colleagues, After the fantastic build (as always) of Mayhugh1, I´ve been lately actively looking to buy a copy of the Ron´s Colonna Offy plans, but it seems they´re not available anywhere on the internet. I know this topic has been discussed a number of times in the past on this...

Dear colleagues, Recently, I´ve received a quite old Seidel ST770 (I think this unit dates back to the 80´s). Last time it was started, Queen band was on the top of all lists. The owner is a good friend of mine from my RC racing days, and he unsuccessfully tried to restart it last year...and...

I hope the best for the master

I think that all of us we miss Mayhugh1´s posts and builds. The finish level and detail of the explanations are so great that I consume every word on them. @mayhugh1 Are you planning to start a new build?....you have all of us waiting.

My suggestion is to check the Grizzly catalogue for the same model (As you know, most of the imported lathes are sold under a number of different brands). Usually, Grizzly has super nice, detailed manuals for their products, and they are available online.

I fully agree, If I put the effort it takes, I would make it as closer as the real Merlin as my capabilities allow me. Where did you get this picture? Is it a modified Olsryd? Is there any available plans?

Hi Petertha. From my old days in the RC Car racing scene, I have several carburettors, most of them seem to be better made than the standard Perry. This is a carburettor from a Sirio 1/8 on-road engine.

Thank you both for the inputs!! I think I'll visit my hobby store to buy a good starter based on Steve's advice. I thini I'm too lazy for designing and machining a new prop hub to use Cwelkie's approach, although I'll consider it seriously for my next project

Dear friends, I've just finished my Edwards 5 radial build (pictures soon). I've still have not done its firtst start and now I'm debating myself on the best way to do it. With the prop installed it takes some effort to turn it by hand due to the amount of compression....it does, but not as...

I agree with some folks that knowing your builds level, a good contendant would be a Napier Deltic, an amazing engine for an amazing builder....and a joy for the rest of the community.

In your own words..."5000maH capacity rated at 20C yields 100A. That's C-continuous so 8-10A wont even tickle it. At a load of 2v * 10A = 20 watt-hr, this pack would yield 1.8 hrs continuous running ".....Not correct I don´t have to google this, being an electrical engineer for more than 20...

Your train of thoughts is not correct. The C rating is the peak in Amps that the battery is able to deliver. The capacity in this case is 5000mAh or 5Ah, it means that it has enough stored energy for delivering 5 Amps for an hour, 10 Amps for 0.5 hours or 2.5 Amps for 2 hours.

I machine my valves outnof 316ss in a manual lathe. Before making the valves, I make the valve guides reaming the inner bore, then I machine the valves leaving them 0.03 mm oversize in diameter to allow for lapping them to get a perfect fit on the guides. Very important to check consistency in...

Nice find. I was not aware of Rainbowtronic. The only 5 cyl drivers I have found to this day were quite expensive, but this one seems to be more or less affordable.

Easy solution, I like simple solutions when possible, my only concern is blowing some plugs at 2volts. As far as I know, they are happy with voltages from 1.2 to 1.5v. How's your experience in that matter?

Nice solution!! Not a common transformer I see...Is it powered from wall socket or from a lower voltage source?