Search found 9 matches

by ruizfa
Tue Apr 16, 2013 11:43 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Displacer and hot end tolerance
Replies: 8
Views: 3333

Re: Displacer and hot end tolerance

oh well.. wich other material i can make the hot end?? the alumium can melt with a solar dish with that diameter right? (1200mm).. i was thinking in cooper.. it has a melting point 1084.62 °C... and a Thermal Conductivity 4001 k - W/(m.K).. what do you think?
by ruizfa
Tue Apr 16, 2013 11:34 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: new engine advices before is too late :)
Replies: 8
Views: 4962

Re: new engine advices before is too late :)

i think looks good.. its a gamma type.. right? where is the conection beetwen the hot cilinder and the cold piston?
by ruizfa
Sat Apr 13, 2013 6:51 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Displacer and hot end tolerance
Replies: 8
Views: 3333

Re: Displacer and hot end tolerance

I think it wasnt well explained, my bad. The hot end have an inner diameter = 65 mm (aluminium) and i was thinking to make the displacer (mild steel) with a diameter about 63 mm.. With that diameters, the tolerance between hot end and displacer is 1 mm. Som Ian, u think i need more space? something ...
by ruizfa
Fri Apr 12, 2013 8:21 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Big Stirling Engine
Replies: 47
Views: 35500

Re: Big Stirling Engine

Hi, thanks for answer. Im making an solar gamma engine and want to buy one too.. for my university.. i was thinking buying that "big stirling engine" and make some changes for it to works with a solar parabolic dish.. i mean,, i want a gamma stirling engine but in ebay all are too small, something l...
by ruizfa
Fri Apr 12, 2013 7:58 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Displacer and hot end tolerance
Replies: 8
Views: 3333

Displacer and hot end tolerance

Hi im making right now a gamma type stirling... the hot end have an inner diameter= 65 mm. I was thinking make the displacer = 63 mm external diameter. You guys think this is fine? or need to change something. And, if my hot end have 65 mm of inner diameter, what should be the thickness? i was think...
by ruizfa
Thu Apr 11, 2013 5:15 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Big Stirling Engine
Replies: 47
Views: 35500

Re: Big Stirling Engine

they asnwer:
Yes it does have a displacer on the hot cylinder, that's all we have, we have not determined if our engine is a gamma or alpha yet...
[hr]

soo.. is a gama type doesnt it?.. sorry for my english..
by ruizfa
Thu Apr 11, 2013 4:48 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Big Stirling Engine
Replies: 47
Views: 35500

Re: Big Stirling Engine

Hey NerdyEE, i sent an email to hiporex, asking if the motor is aplha, beta, or gamma?.. a guy named Mohammad Sultan, asnwer. he told me that the engine is alpha :s.. but i doubt it. And in your private message u told me what is gamma.. so i dont know really if is aplha or gamma.. Also, in the descr...
by ruizfa
Wed Apr 10, 2013 12:23 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Big Stirling Engine
Replies: 47
Views: 35500

Re: Big Stirling Engine

Hi!. i want to buy one of thoses.. do u recommend me that engine? is alpha, beta or gamma?
by ruizfa
Wed Apr 10, 2013 12:18 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Hi im here! new member
Replies: 1
Views: 1490

Hi im here! new member

Hi!. regards from Venezuela! my name is Fabio. im new in the forum.. im making a gamma stirling engine for my thesis.. im studying mechanical engineering. Well, i will try to help and share informarion and knowledge and hope gain a bit too. Thanks.