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CMB, Kalistratov and MAC 67, 80, and 90 engines use needle bearings at the crankpin. It is not difficult to replace them. I count out exactly how many needles are to be installed. I either use Rislone oil or cable grease to hold the needles in place while I install them. This helps to hold...

Needle Bearings wear just as any other bearing. Jim Allen explained that the needles wear along each end. After a while the surfaces become concave, with an oval wear pattern along the outer 1/3 of each needle end. This means the connecting rod can tilt more to both sides on the crank pin...

For almost 50 years I have been running Nitro boats. During that time, I used severl different brands of good bearings. Those made in Singapore, Swedish made SKF and Swiss made WIB bearings were the ones I liked the best. Jim Allen convinced me to use only Swiss Made WIB bearings. But those...

I am selling my Sears Craftsman drill press. It comes with a vise. This is a heavy drill press that stands on the floor. The price is $150.00. You come get it. You load it into your vehicle. You take it away. I will show you where it is at and then I will get out of the way.

Attached are photos of my EMCO FB-2 Mill. It comes with a large floor staqnd, a set of collets and a vedry nice vise. The price is $3000.00. You come get it. You load it in your vehicle. You haul it away. It is heavy. I will open the door, show you where it is at, and then I will get out...

Most of the people on this forum know of the term "end play". But, a lot of people on this forum don't really know what end play is and why it is a subject at all. Basically, aluminum and steel expand differently as the engine heats up. We are talking about a very small amount in one of our...

Not all the news is hunky-dory. Some of the recent engines have a few small problems. 1. The standard head button does not allow the standard glow plug to reach the combustion chamber. I have notified the manufacturer to make the change and asked them to send me replacement head buttons. I...

For sale my Myford 10 inch lathe. It has never been used and is still covered in cosmoline. I had it moved into my shop in 1998 with plans of a new hobby. It has been under its cover until I took these photos. Price is $3000.00. It weighs so much it will take 3 or 4 strong people to move...

This is an Enco lathe and mill combintion for sale. I have not used it in several years and it is just taking up space in my crowded shop. Comes with the tool holder, 90 degree face, some cutting tools and two work lamps. It needs an on/off switch on the lathe portion. $500.00. It is heavy...

I am starting to receive deliveries of the K21 engines. They are coming in slowly as he can only make 5 to 10 engines per week, given the situation in Ukraine. The K21 comes with a cable collet for 3/16" cable and two head buttons. One head button is for a standard glow plug and one is for a...

I have been contacted concerning the K21 engine production. They have started making the engines for me and I should be seeing some in a couple of weeks. I will keep everyone informed here on I.W.

My most recent shipment of K 45 engines all have an aluminum sleeve. While supplies of this shipment last, I am selling them at a discounted $350.00 plus $15.00 for priority shipping in the USA. Al Hobbs

I just received a package from my friend Roman Agafonov. It is a vacumm bagged, carbon fiber, 45 size rigger. It is his design and he has won a World Championship running his design with an A/A 45 engine. The boat is complete with all hardware. The motor mount is installed. Servo trays...

New from A/A Poducts, an engine exhaust stub seal. Retail price is $9.00 in packs of one seal and $27.00 in packs of three seals. This seal fits most 45 to 80 size engines.

A/A now offers a cable collet especially for the K45 engine as well as for most other engines. These collets are $26.00 each, delivered in the USA.

K45 engines are now available for sale. $385.00 plus shipping. The engine comes without a carb. These engines are available from Stumpfab, Double Ace R/C, or direct.

I am currently out of K45 engines. They have been selling very well. I have ordered another factory run and will let you know when I have more.

I have just received some K21 test engines. Like the K45 the parts fit is excellent. I do not yet have any pricing. After testing, any changes will be incorporated and I will bring in an inventory for sale. I'll keep you informed and hopefully, I will be ready to deliver this winter.

I'm looking for some Rod Geraghty carbs for .45 size engines. Carb bore less that 0.39 inch. Let me know if you have one. Al Hobbs

I've been mixing my own nitro fuel for almost 45 years. There are advantages and disadvantages to mixing your own fuel. There are several different fuels available to you commercially and their quality is very good. So, if you have a reliable supplier, you should be happy. One thing is...