Bill Ok I'll by that. But I'm watching other people do it on the same highstart once the wind comes up a little. This is old unit with about 50 ft of red rubber tubing and about 150 ft of 80lb mono with a small chute. The rubber is in good shape and is not dried out or checked. At 50 paces of stretch you can hold your plane, (barely), with one hand. The initial velocity and rotation is close to that of a strong sport winch for the first 50 to 60 feet of launch. BTW I am launching an Addiction and a Mantis, (almost sacrilegious having a Mantis in Sage country), both at 54 ozs. If I'm seeing other people do it and I can't, then it would seem a matter of technique, rather than equipment.
Garth Bill Swingle wrote: > > I'd say that your non-existent ping indicates that your histart doesn't have > much stored energy by the time your plane reaches altitude. > > And, I don't think that is necessarily a bad thing because it means your > using most of the histart's energy. If you design the histart to have energy > left over, you'll often be wasting some stored energy. If you can get a > decent ping, fine. But that's a big if. > > The rubber doesn't have much tension or energy once you're nearing the top. > So, my question is; can a decent ping be done. At the moment, I'd vote no. > > You could possibly shorten the line in order to reach the top quicker and > with more stored energy remaining. But then you'd have to depend on a good > ping every time. I don't think it's worth it. > > Bill Swingle > Janesville, CA > [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] Please note that subscribe and unsubscribe messages must be sent in text only format with MIME turned off.
