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i was considering in buying a benchtop cnc with a budget say about 6000 euros or so. i have already serch and the kx3 milll seems a good deal since it also has all the programs needed for the machinig if i understood right. but the lack of especially y axis i a draw back.... Anyone knows of some...

Im planning to use the rotary valves on my next engine but im worried about what type of bearings should i used because they will effect a number of factors: the bearing should be self lubricated accurate enough to achieve proper compression I found this type of material that might be good...

Hi, I have recently bought the super X3 mill from axminister and overall I am very pleased with its performance. the only problem that I saw is that the coulum vibrates and "moves" especially in boring process. I also can confirm this because when I measure the holes they tend to be slightly...

I was thinking to refit my lath with a more powerful motor... for example as the X3 mill has.. http://www.arceurotrade.co.uk/Catalogue/Stepper-Motors/Stepper-Motors. The X3 motor seems like these stepper motors but are these the right motors to choose from if not any ideas, connections etc. My...

I have a weiss lathe http://www.weiss.com.cn/products/wmp250v.php and when i set some heavy cut the v belt drive starts slipping and eventually the spindle will almost stop turning. I know that the belt is slipping because while cutting the rev counter reduces speed drastically and after...

Hi, Can a model IC engine sliding vane charger be with only one rotor http://www.austinsevenfriends.com/Bruce/Supercharger%20Information%20and%20Formulae.htm. here is a link showing the sliding van charge with one rotor. Dose this layout work for model ic because everytime i saw a model sliding...

Hi, is a 6 mm diameter to small for a gouging pin situated in a 1\4 v8 engine. the engine would rev for about 10000 because it will be supercharged. Thanks Drei

Hi, Can you tell me from where I can find any drawings of a 1/4 v8 engine machiend from bar stock? Thanks Anderi

Hi, How do you guys attach your lathe chuck to the rotary table. If you have the work piece turning on the lathe then you have to mount it on the rotary table without removing it from the chuck. And what are like the flanges or accesories that attach the chuck onto the ratary table. Thanks Drei

Hi, I want to design an engine and i have some questions about bore volume compression ratio etc. I want to built a petrol engine and i also know and able to work some formulas regarding thermodynamics pressures temperatures etc. If you want to design an engine from where do you start, i was...

Hi, Have anyone made an injector, like a diesel or petrol injector. I was thinking to fit one on a model engine but I thick it would be very difficult to built. I have an idea how a diesel injector wirks with a plunger etc. Maybe the plunger and bore wuldnt be so difficult but the injector...

Hi, I was going to buy the Super X3 milling machien from http://www.arceurotrade.co.uk/Catalogue/Machines-Accessories/Milling-Machines/Model-Super-X3-Mill does anyone own one like it?? What do you guyes think any recomandations... Thanks 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

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...

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 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...

I was always intrested in engennering and model engines, I spent most of my time serching for new ideas and machiening techniques... I m still young ( I m just 17 :) ) and I realy enjoy reading and sharing your knowleg. In fact the previous summer my parents bought me a Weiss combination lathe (...

Hi, Any one know from where I coluld buy or obtain any IC engine plans but without any casting. I am trying to find some for my second engine.... like a 2 cylinder in line or a 3 cylinder radial engine or what ever. Please help :bow: Deri