Search found 23 matches

by santu398
Fri Oct 12, 2012 2:57 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

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 :(
by santu398
Fri Oct 05, 2012 9:19 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

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?
by santu398
Sat Sep 29, 2012 4:06 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

Do you want me to use helium as working fluid so that no formation of aluminium oxide takes place?
by santu398
Sat Sep 29, 2012 4:04 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

sir please tell me what should be the temperature of hot and cold cylinder..the cylinders are 3-4mm thick made of mild steel
by santu398
Sat Sep 29, 2012 3:57 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

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??
by santu398
Sat Sep 29, 2012 1:56 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

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.....
by santu398
Wed Sep 26, 2012 11:51 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

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 :(
by santu398
Fri Jun 29, 2012 3:51 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

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?
by santu398
Tue Jun 26, 2012 11:13 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

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
by santu398
Tue Jun 26, 2012 10:40 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

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...
by santu398
Sun Jun 24, 2012 11:09 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

Please reply
by santu398
Thu Jun 21, 2012 6:32 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

what should be the length of connecting rod for a stroke of 80mm and crank radius 40mm?
by santu398
Wed Jun 13, 2012 11:49 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

Sir,

Which metal is better to connect two cylinders so that it can serve the purpose of regenerator also?
by santu398
Fri Jun 08, 2012 5:08 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: epoxy putty material for power piston
Replies: 2
Views: 2121

Re: epoxy putty material for power piston

Good video...very helpful
by santu398
Fri Jun 08, 2012 1:53 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Help required
Replies: 31
Views: 11570

Re: Help required

Thanq sir

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