Bug HLG

Archive of the Yahoo! Groups mailing list for the Bug hand-launch glider 2002-2018

From: "John Gospodarek" <John.Gospodarek@...>
Date: Tuesday, September 17, 2002 11:54 AM
Subject: Re: Gyro for discus launching?
Bob, did you make your tail detachable? I can't tell from the pictures. Do you like the new tail better than the V-tail? Thanks. --- In BugHLG@y..., "bob_chiang2" <rhc3@c...> wrote: > Hi Colin, > > I wish I could build with composits as you do. Your carbon Bug is > beautiful. > > The crashes were much easier to repair than I expected. When I left > the field after the Zagi collision, I half expected to build a new > wing. When I figured out what parts needed to be replaced it wasn't > so bad. It took one evening of cutting (and much pondering) and one > morning of gluing. I have been very impressed with the strength of > the built-up ribs and the Bug wing. > > I did use your patterns for the tail. Thank you! All that I changed > was to increase the percentage of the movable areas. I don't know if > I needed to, but I remember reading that deflecting a larger area a > smaller angle results in less drag. I put the horizontal stab on a > pylon so the control horn would be in line with the fuse boom and I > could run the pushrod within the boom. And I mounted the vertical fin > as close to the centerline of the fuse boom as I could while allowing > room for the pushrods to exit the tube. > > With the cruciform tail it does launch straight with no presets. When > you get your carbon Bug repaired, I'd suggest you try it without the > gyro. > > Bob Chiang > Ithaca, NY USA > > --- In BugHLG@y..., "Colin Bosch" <colin.bosch@m...> wrote: > > Bob, > > > > Love your lace wing! Sorry to see your crash photos. > > > > The tail you used looks a lot like my carbon Bug. Did you use those > > patterns? Did you change anything? > > > > I'm curious about your lauching be straight without a gyro. Are you > > getting straight launches without any presets? > > > > --Colin-- > > > > --- In BugHLG@y..., "bob_chiang2" <rhc3@c...> wrote: > > > --- In BugHLG@y..., "Dan" <danstrider@a...> wrote: > > > > Everyone, > > > > > > > > I know that Colin used a gyro on his Bug for stability during > > > > launch. I was wondering what gyros, if any, you all are using > > and > > > > their weights. > > > > > > > > Colin, I'm curious to see if a gyro is worth the weight for the > > Bug > > > - > > > > - is launch performace really affected by the gyro? Might it be > > > > possible to manage without the gyro? My control rod setups are > > > > never rigid enough to get rid of slop, so do you think that a > > gyro > > > > would even matter is this case? > > > > > > > > Thanks, > > > > Dan > > > > > > Hi Dan, > > > > > > I've never flown with a gyro, so I don't know what they are > capable > > > of. With a cruciform tail, my Lacewing Bug side arm launches very > > > straight. Sometimes it would go up too steeply, and sometimes at > > too > > > shallow an angle (due to my launch inconsitencies), but I cannot > > > remember a launch that didn't go straight out. I can't comment on > > > launching or flying a v-tail. > > > > > > When I was flying a Little Nipper, I did get launches that tended > > to > > > curve. I used a slight amount of right rudder trim to launch, > > > corrected with the stick as it slowed down, and then retrimmed > when > > I > > > had time during the flight. > > > > > > -Bob Chiang > > > Ithaca, NY USA