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What do you mean by magnified? Thanks guyes Drei

Any more informations are welcomed :) How much clerances do you leave when machining your pistons and sleves guyes....??? Drei

Hi, i dont know from where but right now i am building the engine with the same specs. the difference is that i converted it from ohcs to ohv. You can imagine the changes for exmaple new rocker arms, pushrods, crankcase cam followers etc. To be able to machien it i made a new set of plans of the...

Mayde you hit the inside face by accident and the tool tried cutting to much at once and ripped the part off the cuck etc... sometimes it also happens to me even when i bore and thers a chance that tings go wrong. .. Drei

Hi, I have discoverd that i have a 0.01 to 0.02 runout in my milling spindle. Is it normal to have that clerance or do you have any. Any ideas what can i do ... i measured the clerance by placing the dial directly in the spinndle inside.. Thanks Drei

Hi, I am alos a beginer and my first engine was the Lynx NE15 designed by Malcolm Stride. As the introduction said its not a very difficult engine to built still a very satisfactory result. It has very simple components to machien done with very simple basic tools. Tough unfortunatley because...

Ermm, where do you put the lubrication on the edge tip between the work and the tip or between the shank and the tip which moves? Drei

Sorry for my to much questionsbut i have some free time and i want to gater as much info as possible.... What will be the ideal clearance on a 8, 10 and 12mm diameter shaft to be a good push or press fit in a ball bearing?? i was hoping for 0.02 to 0.04 less than the proper shaft diameter. Thanks

Yes Ken thats a good question, I wanted to leave the clerance between the cylinder because my previous engine i made the cylinder almost a tight fit in which case its wrong while in that moment i tought i was doing a good thing bnecause i was sure that this will give me a good compression. But i...

I have tought about that and i held the reamer in the collet chuck rather then in the chuck to achieve more centricity. The hole will come bigger by 0.01 to 0.03 which will be the clearnce of the spindle beraings and the collet chuck and without mentioning the ecessive lenght which the reamer is...

I have made some reserch about them clearnce; i was going to machien the piston at about 0.05 to 0.08mm less than the bore after finishing the bore as parallel as possible. This will give me a slide a slide through the bore and reduce friction but achieve the seal that i want with the rings. i...

Another question, I have a situation where i want to fit a needle roller bearing in a crankcase. The bearing diameter is 8mm but as you know this has to be a press fit hole say like a diameter of 7.98 or so. But the problem is that the hole is located in the crankcase at about 40mm deep from...

Hi, first of all Hpy Xmas :)... I aleady read a few articls but i wanted to be sure about it; i want to know what clerances should i leave between a 25mm cast iron bore and a aluminum piston. Also the clerance between the piston rings groove from the rings? The engine that im talking on is the...

Hi, I am building a new engine from my own design and i am confused what type of bearings i should use on the crankshaft. In the front of the engine i am going to use two ball bearing with one of them just 1mm apart from one of the crank throws and the other ball bearing will be in front of it...

Hi, I have read a few of youre writings on the valve seat and testing... I chek the seats by pouring some kearsoline in the vavle port. If they leak I do some more lapping with the fine or rough coarse depanding on the ammount that have leaked. I dont know if this method is good enough but...

I have bought to spur gears one of them 30 and 60 teeth and the which specifications are: Module 0.8, pressure angle 20deg, PCD 24 and 48, and diameter 26.4, 49.6. Can you tell me the amount of backlash and clearance that I must leave beltween the teeth. Thanks Andrei

Hi Cameron, You said that you have found some two cylinder IC model engine plans, can you tell me how or where I could find these if possible. Thanks Andrei

"Boxer more than two cylinders" well exactly Idont know !! Continuing on what I want to add to my Lynx model, is that I want to remove the cam from the over head position to place it in the cranckcase. Therefore machining some roccekr arms and pushrods will be neccessary but i think thgis...

Hi, I dont exactly if some one already questioned but, has anyone have or know from where I can find small turbos plans for my medel ic engine; the Lynx NE 15. . . Thanks

Hi guys, I was wondering if from a one cylinder engine plans, a two cylinder can be built from the same plans. Therefor using the same dimensions and design layout to manufacture the two cylinder. I am talking on the on the engine designs that my earlier built engine which is the Lynx NE15 the...