I do know that all of our designs had a parachute. john
Wes Wada <[EMAIL PROTECTED]> wrote: >Jimi, > >Your bubble wrap solution is brilliant. �That alone I think would do >the trick. �The only additions that might improve your odds are a >surface similar to an eggshell which distributes the impact force >around the circumference of the shell instead allowing to force to >focus totally inward. � And, if the rules haven't forbid it, how about >a parachute? �*grin* > >Used to deal with these problems all the time in model rocketry >(NAR935). �Once launched and recovered six raw eggs using a >three-engine cluster of 30-lb/sec. Coaster model rocket engines >(somebody out there might know what I am talking about.). �There was >another event where the idea was launch first, fly lowest and land >closest to target -- I designed a rocket out of a plastic badminton >birdy that was pretty much assured of doing the last two best. �Had >another one that blew the expended engine out the back end and >converted into a heli-recovery (much like the paper helicopters you can >make out of paper). �Won the model rocket nationals R&D event with a >design that pressurized the exhaust blast at launch inside a pop tube >which literally 'blew' the model rocket to a faster initial >acceleration and higher altitude. > >Fun stuff. �Great memories. > >Wes Wada >Bend, Oregon > > > >On Wednesday, April 14, 2004, at 06:04 �PM, Desert Eagle wrote: > >> OK, Here is the problem, >> � � I was "Notified" today at dinner, that "I" was selected by Amanda >> for >> her science project assistant. Here is the task. We have until Monday >> night >> to design, build and "Test" a protective shell to house an Egg, (not >> hard >> boiled but raw). It must protect the Egg in a toss from a 35' building >> roof. >> If the egg survives unbroken, she gets a 100, if it brakes she gets a >> "0". >> Each student "Picked" their partner, (parent or sibling), �at school. >> The >> instructions read that we can use "Any" resource to construct the >> protective >> case, (IE, internet, friends, Nasa Employees whatever). The outside >> diameter >> of the "Protective Case" can be no larger than 12". �Our first >> thoughts are >> to wrap the egg in small bubble wrap, inside larger bubble wrap and >> then >> encase it in some form of protective case. That is our basic Idea. >> Anyone >> ever done this successfully ??? We need help and have to construct and >> test >> the prototype by NLT Sunday. >> >> Jimi >> > >
