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by hds
Thu Oct 22, 2020 1:30 pm
Forum: Users Showcase
Topic: Ljungstroem Crankless Engine from 1900
Replies: 1
Views: 524

Re: Ljungstroem Crankless Engine from 1900

Ljung6.png
Ljung6.png (255.1 KiB) Viewed 523 times
Ljung5.png
Ljung5.png (329.31 KiB) Viewed 523 times
Ljung4.png
Ljung4.png (270.63 KiB) Viewed 523 times
Ljung7.png
Ljung7.png (269.93 KiB) Viewed 523 times
by hds
Thu Oct 22, 2020 1:30 pm
Forum: Users Showcase
Topic: Ljungstroem Crankless Engine from 1900
Replies: 1
Views: 524

Ljungstroem Crankless Engine from 1900

Hello, a little bit of eye candy with this little rotary steam engine. A few prototypes were build around 1900 by Ljungstroem. This engine would produce approx 2BHP at 1500rpm and 7bar steam pressure. Piston diameter 40mm and size of the disk casing roughly 200mm. Piston stroke is approx 21mm. Littl...
by hds
Fri May 22, 2020 3:58 pm
Forum: Users Showcase
Topic: DO215 originated by Cesare Milani
Replies: 10
Views: 3091

Re: DO215 originated by Cesare Milani

Some more eye candy for FreeCAD. If you like you can improve the FreeCAD file and (hopefully) repost the improvments here. Have fun, stay healthy ... Heiko P.S: Dont get carried away by the plan. There are some (minor) imperfections in the original plan by Mr. Milani. Do215Milani_2.png Do215Milani_1...
by hds
Thu Mar 05, 2020 7:00 pm
Forum: Help on using FreeCAD
Topic: Forming Wingtip
Replies: 3
Views: 219

Re: Forming Wingtip

hammax wrote:
Thu Mar 05, 2020 1:51 pm
… is that a wingtip form you would like?
BSpline profile and scaled clones.
That's it. Thanks a ton hammax.
Regards
Heiko
by hds
Thu Mar 05, 2020 11:21 am
Forum: Help on using FreeCAD
Topic: Forming Wingtip
Replies: 3
Views: 219

Forming Wingtip

Hello,

i got stuck trying to form a wingtip from three volumes.
What operations are needed to get the _common_ parts i.e. the wingtip of all three volumes ?
I tried various cut ops but to no avail.

Thanks
Heiko
Wingtip.FCStd
(21.16 KiB) Downloaded 14 times
by hds
Wed Feb 26, 2020 8:01 pm
Forum: Users Showcase
Topic: VIIC 1:45 modell
Replies: 129
Views: 34189

Re: VIIC 1:45 modell

trimming done, maiden done.
On to something different.
Thanks for your interest.
Thread closed.
VIIC_t.png
VIIC_t.png (180.65 KiB) Viewed 619 times
VIIC_a.png
VIIC_a.png (249.05 KiB) Viewed 619 times
VIIC_b.png
VIIC_b.png (272.93 KiB) Viewed 619 times
by hds
Wed Feb 19, 2020 8:59 am
Forum: Users Showcase
Topic: VIIC 1:45 modell
Replies: 129
Views: 34189

Re: VIIC 1:45 modell

bernd wrote:
Tue Feb 18, 2020 8:38 pm
:lol:
?
by hds
Tue Feb 18, 2020 9:54 am
Forum: Users Showcase
Topic: VIIC 1:45 modell
Replies: 129
Views: 34189

Re: VIIC 1:45 modell

The overall weight should be around 3kg (theoretically). Weight is 4250 gramms. There were some changes in the technical equipment which changed the weight drastically. So floaters made from closed cell foam will be needed for trimming and balancing since the buoyancy of the frame work will not be ...
by hds
Mon Feb 17, 2020 7:30 pm
Forum: Users Showcase
Topic: VIIC 1:45 modell
Replies: 129
Views: 34189

Re: VIIC 1:45 modell

phpBB [video]
by hds
Thu Jan 23, 2020 4:54 pm
Forum: Users Showcase
Topic: VIIC 1:45 modell
Replies: 129
Views: 34189

Re: VIIC 1:45 modell

chrisb wrote:
Thu Jan 23, 2020 3:55 pm
hds wrote:
Thu Jan 23, 2020 3:40 pm
Had to do some spear filing
I wonder how you could upload this image. It is surpassing any file size limit :lol: .

Natural born system buster ... :mrgreen:

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