Hi Jorge, I can only think it must be a lithium ion or li-po with a large mAh. I've been having the same problem trying to find a suitable lightweight battery...
658
Jorge BD
jorgebd2003
Oct 1, 2008 2:13 pm
Thanks lee, I made a detachable (with very few little screws) carbon-fiber GFS-UAV. But it's not finished yet. Of course, I will post any picture as soon as I...
659
pants20035
Oct 13, 2008 6:14 am
Can we have a video of your current craft flying? It looks almost identical to mine (trikovich : youtube) so i am interested to learn any info you might have...
660
Ken P
ken.pence
Oct 13, 2008 6:14 am
Just make sure if you use the Li-polymer battery -- it can have cells die if the charge gets too low and they are too expensive to ruin – Forget what power...
661
fraserneville
Oct 13, 2008 6:14 am
... at ... Granted. Maybe that's why my helicopters keep crashing (alternatively, I might just be a lousy pilot). However,this can be partially dealt with by...
662
terrybastian2000
terrybastian...
Oct 21, 2008 4:51 am
These links show the GFSUAV in a brittish competiton and has great detailed pictures of construction http://www.guardian.co.uk/politics/2008/aug/14/defence ...
663
Richard Kenny
timespaceand...
Oct 22, 2008 4:54 am
A Concept Spaceship more text, more comments http://aconceptspaceship.blogspot.com...
664
pants20035
Oct 22, 2008 4:54 am
Thanks for posting these! Thats a carbon fibre Coanda craft with a wankel engine and adjustable centrifugal fan! just what they said they would build next. I...
After obtaining a successful flying with balsa / card-paper GFS model, Here is an advance of my Carbon Fiber model in construction... ...
667
charliecrummer
Oct 22, 2008 9:24 pm
... Looks good! I'd like to see a drawing of how it looks in cross-section. Could you make one? Charlie...
668
Jorge BD
jorgebd2003
Oct 23, 2008 2:22 pm
The drawing is the same as JNaudin's GFS-UAV web-plans except in a very few modifications. For example, as you can see, the height of this new model is smaller...
669
pants20035
Oct 29, 2008 7:53 am
wow nice! where do you buy this type of carbon fibre?? i can't find affordable carbon fibre in flexable sheets anywhere. Is it easy to work with? good work! ...
670
adamskirc
Oct 29, 2008 7:54 am
Your CF craft looks fantastic, please tell me what fan is that on your first pic? It looks exactly like the one on the GFS Fenstar. Sebastian....
671
Jorge BD
jorgebd2003
Oct 30, 2008 4:06 pm
Look for a car radiator fan with a thin inertial disc. 2008/10/24 adamskirc <bas10an@...>...
672
Jorge BD
jorgebd2003
Oct 30, 2008 4:32 pm
Thanks. It's common carbon fiber you can search for it in common composite suppliers. You should work it only with epoxy resin, but I have to warn you that...
673
Jorge BD
jorgebd2003
Oct 30, 2008 4:39 pm
Look at this ..For any other question... This is a very fine precission carbon fiber construction method. I didn't use this, but It could help anybody. ...
674
coandaboy
Nov 26, 2008 5:56 am
Hi, Just posted first pics of a triangular version of the GFS craft. Has anyone trid anything similar? thanks Lee...
675
pants20035
Nov 26, 2008 10:05 am
Hi, this is intriguing! It looks very well made how will it be controlled? Can i also ask what car your fan is off, i reckon it's a Jaguar one, is it easy to...
676
bomgorila
Dec 2, 2008 1:42 pm
linkd take you to no ware... are they correct? kind regards carlos...
677
Jorge BD
jorgebd2003
Dec 2, 2008 3:10 pm
Maybe they changed the links or the web paths recently.... What a pity... 2008/11/26 bomgorila <bomgorila@...>...
678
Jorge BD
jorgebd2003
Dec 2, 2008 3:56 pm
UK Government has recently declassified several UFO files... http://ufos.nationalarchives.gov.uk/ Maybe they are building big GFS's??...?...
679
Jorge BD
jorgebd2003
Dec 23, 2008 8:00 pm
Hi Every Body! First. Merry Christmas and a Happy New Year with happy GFS's flights..! ! Talking about other things, I was wondering if is necessary any...
680
Jorge BD
jorgebd2003
Dec 24, 2008 7:24 pm
Another issue is that: I was wondering about the direction of flight of the GFS based on the position of the flaps. I don't have yet clear this and I also...
681
Jorge BD
jorgebd2003
Dec 31, 2008 5:12 pm
Hello: I found some regulated high current power supplies that could be used in order to eliminate batteries (like some videos of the GFS-Projects people), but...
682
Paulo Oliveira
oliverpaulo10
Jan 11, 2009 7:10 am
Hello people! This is the *public* patents websites releted to our research: ...
683
Halifax Designat
halifaxdesignat
Jan 11, 2009 7:10 am
Had I seen your post earlier I would have responded. I apologize. When a flap lifts the pressure next to the skirt rises because the airflow is no longer...
684
terrybastian2000
terrybastian...
Feb 13, 2009 6:55 pm
I uploaded some info on how the lift force is generated on the coanda curve.. Under Files and then Coanda Vectoring.. It gives us some method to help design...
685
charliecrummer
Feb 14, 2009 10:15 am
... Dear Terry, The link didn't work, at least for me. BTW, I have done some research on the Coanda effect. You can see the latest version of a paper on...
686
Jorge BD
jorgebd2003
Aug 26, 2009 7:47 pm
Another saucer: Not coanda GFS, but it's cool http://www.levitake.de/...
