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Sir, my motor is not working :(
i heated the cylinder under candle flame and cooled the cylinder with water..still its not working :(
please tell me what could be the reason :(

Ok sir...done as u said but its not working :( i guess the problem is with flywheel

What should be the size and weight of a flywheel for a bore of 40mm and stroke length of 70mm?

Do you want me to use helium as working fluid so that no formation of aluminium oxide takes place?

sir please tell me what should be the temperature of hot and cold cylinder..the cylinders are 3-4mm thick made of mild steel

Ok..i will try to change the piston material

The aluminium piston does not contact the cylinder...it is surounded by a O-ring..

What approximately should be the temperatures of hot cylinder and cold cylinder??

http://lh5.google.com/-VXTcFxXqCS4/UGa19SNpSuI/AAAAAAAABfc/1n6gWCb8ZD8/s512/Photo0500.jpg Sir this is the model of my engine ( did not assemble fully ) This is my first engine...the only reason why i want to fill with helium gas is because the pistons are tight..they dont slide on their own weight.....

Thanx a lot Sir...sorry for late reply..i stopped working on the engine these days hence no reply...we were asked to submit the engine by 30th of this month...
The pistons are very tight and we were left with a doubt whether the engine can run with air as working gas :(

sorry i cannot post the pics of the motor...

Can u please tell me at what pressure helium gas should be filled in the cylinder?

What are the preferable dimensions of crankshaft radius for a cylinder of 40mm dia and 100mm length with a connecting rod of 8mm diameter?

plzz help me

Thanq :) I made two cylinders(dia 40mm) with mild steel and pistons with aluminium... i connected the two cylinders with a stainless steel pipe(20mm dia) (including sudden compression fitting(10mm dia) at the bottom of cylinders) from the bottom of the cylinders... I want to fill the cylinder with h...

Please reply

what should be the length of connecting rod for a stroke of 80mm and crank radius 40mm?

Sir,

Which metal is better to connect two cylinders so that it can serve the purpose of regenerator also?

Good video...very helpful

Thanq sir

Can we make hot cylinder with the steel or cu metal or it should be made of glass because of expansion effect?