... The following message is forwarded to you by W. David Doiron <DDoiron@...> ... In <b7h7m4+c30j@eGroups.com>, on 04/15/03 ... NOPE, DON'T KNOW HIM... ...
W. David Doiron
DDoiron@...
Apr 17, 2003 4:22 am
1480
I am french. I started building my cricri in 1982 and first flew it in 1987. Everything was fine except the reliability of JPX engines. I sold my cricri in...
Hello, everybody. Just joined the group. What an excellent resource of info! Thanks Vic for creating the group. I have been fascinated by the CriCri design...
So here goes the first question (please don't shoot me, you promised). I hope I am not the first one with this question. Why not a composite CriCri? I...
In <b891v7+sr4k@eGroups.com>, on 04/24/03 ... ALUMINUM and Klegecell have very predictable strength characteristics, and a structure can be designed with the...
W. David Doiron
DDoiron@...
Apr 24, 2003 8:27 pm
1486
Having built a VariEze with "home shop" composites I somewhat disagree that a glass CriCri would be significantly heavier than the metal version. It's true,...
In <NEBBIJLFELABOLKFABICOEOGDDAA.johnand@...>, on 04/25/03 ... VERY WELL SPOKEN, but you are mixing two different threads: 1. Glass CAN be THEORETICALLY...
W. David Doiron
DDoiron@...
Apr 25, 2003 5:01 pm
1488
Back when I first got the CriCri, I asked Columban about converting parts of it to composites. His response was that it required a complete redesign. The...
... glass structure safe is to add a 50% margin. Actually that is a very dangerous approach. Composites are an integrated structure and you can't just "add"...
On the subject of weight of materials, it's interesting to note in the "History" section at the beginning of the CriCri manual a comment that states: "Metal,...
Anybody know what specifically the CriCri airfoil designation is? I think I saw somewhere that it was a Wortmann series airfoil but am not sure, and it would...
Thanks everybody for providing some very informative (and kind) feedback. I pretty much got the answer that I expected. It is theoretically possible to design...
I got a set of plans from one guy on e-Bay, but they look like a set of copies, not originals. Several sheets are printed very poorly with white areas. Can...
Oleg, I will be happy to help you out. I will try to find a place that can copy full size prints and get back to you with a cost. How soon do you need them,...
In a message dated 5/7/03 07:23:14 AM Mountain Daylight Time, ... Ok. Try direct from the source: Marshall Consulting 720 appaloosa Dr. Walnut Creek,...
In <04a601c314b1$6742bde0$0700a8c0@...>, on 05/07/03 ... If that doesn't work, try these guys: SPromish@... Harvest...
W. David Doiron
DDoiron@...
May 7, 2003 5:48 pm
1500
Andrew Marshall has an ad in this months Sport Aviation. Go to www.compositebasics.com Several other good books in other classifieds. Prop design, Practical...
Do you think they could dig up a copy of "Engineering for the Amateur Aircraft Builder" and/or "Stress Analysis Made Painless", both books written by Raoul J....
Just thought I'd say hello to everyone. I guess I'm here because probably like most of you the small size of the Cri Cri really caught my eye. Small = less...
Hello, Thank you very much for accept me as a member. I am a comercial pilot and I am interested in Cri-Cri. I want to know more about this airplane.I am...
manuel garcia falcon
manolitofalcon@...
May 11, 2003 9:00 am
1506
If the Hoffman books are out of print you might try finding a copy of "Stress Without Tears" by Tom Rhodes. It doesn't go into a lot of advanced math but it...
Hello All, I'm a new member to the group, so thought I had better introduce myself. I live in the UK and have a share in a vintage aircraft operated on PFA...
I know that some people have already looked at the giant RC model engines as potential candidates for CriCri powerplants. What is the general opinion about...