Replies to This Discussion

Permalink Reply by Tracy Smith on January 24, 2010 at 4:16pm

Hello Fellow Builders:

Can anyone tell me how the upgrade kits are being shipped here in the continental United States.....via UPS or by truck (motor freight) ??

I don't know if I should have the kit sent to my workplace (if by truck; there is a loading dock there) or directly to my home if by UPS.

Many thanks

Tracy Smith
N458XL (reserved)
soon to be 601XLS...or 601XL-II...whatever....

Permalink Reply by Ken Pavlou on January 24, 2010 at 4:58pm

Tracy,

The upgrade kits are shipped via UPS. The kit comes in a shipping tube and a box.

Ken Pavlou

Permalink Reply by Tracy Smith on January 24, 2010 at 5:43pm

Thank you, Ken - good hearing from you.

Regards,

Tracy

Permalink Reply by Matt Heintz on January 25, 2010 at 6:44am

Tracy,
Yes, Ken is correct. UPS is the preferred shipping method. You can tell UPS to drop off the shipment at your house even if you are not there.

Permalink Reply by Jim Snyder on January 24, 2010 at 9:35pm

Did anyone attend the 601 forum at Sebring Expo? Any new info anyone can share?

Permalink Reply by Matt Heintz on January 25, 2010 at 6:54am

We had a good turn out at the Sebring forum. About 30-40 people attended including some FAA officials. No new information was presented and no new questions asked. Both me (Mathieu) and Sebastien attended the ASTM SLSA meetings before the Sebring show and were at the show all day Thursday, Friday and Saturday talking to builders. Overwhelmingly, you are all very supportive and we both thank everyone for this.
Zenith and Zenair are doing everything possible in making sure the upgrade kits are getting out, even though we had supplier delays earlier with hardware and things like the mass balance extruded square tube.

Permalink Reply by Doug Moellering on January 27, 2010 at 1:46pm

Here is a question. For the 601 crowd, fitting of the anti-oilcanning 'L' angle in the rear fuselage is suggested (my understanding is its not technically a part of the upgrade) and seems to be a desirable thing. Since I don't have access to the 650 drawings, I'm hoping someone (Mathieu?) can clue me in.

1. Does is make any difference in which orientation the 'L' angle pieces are mounted (angled side on top vs. on bottom)?
2. Clearly the pattern alternates (zig-zag, front to rear), but does this really matter? Could it also be reversed or even all one direction?
3. Can I make up some .016" 'L' angle to minimize weight, since these are supposedly to stop oil-canning, not provide structure?

This might sound like very minor points, but my XL is a very early model, with .016 side skins and the corresponding gussets where the skins mount to the longerons, so the structure is not quite the same.

Doug Moellering

Permalink Reply by Matt Heintz on February 2, 2010 at 9:36am

See following drawing of diagonal "L" angles for the 650. Good idea to install them on the XL.
I would stick to the 0.025" thickness for the "L" angles.

Permalink Reply by Jim Snyder on January 29, 2010 at 8:26am

Hey Webmaster (or whomever),

Is there an easy way to printout or download (pdf) ALL these discussion posts at one time, instead of printing or copy/paste one page at a time ? There is a lot of useful info here, and if we could get it all in a pdf file, it would be a great searchable resource. Need to get the previous Q&A also.

Hope you can help. Thanks.

Permalink Reply by Mike Armstead on January 29, 2010 at 8:10pm

Mathieu,

This is a little off topic, but I wasn't sure where else to get a answer. In several of the old newsletters Chris mentions that he is working on a book. Is this available to order somewhere? Also what happened to the Gemini project. It was featured several times in the newsletters, but then just seemed to go away.

Thanks,
Mike

Permalink Reply by Tracy Smith on January 30, 2010 at 1:46pm

Mike:

I remember reading somewhere that the Gemini project was shelved after the prototype when it was learned that one-engine performance was poor for lack of full-feathering props on the engines most likely to be used on a Gemini. I hope Mathieu can confirm this....I always thought the Gemini would be quite an airplane !

Regards,

Tracy Smith

Permalink Reply by Matt Heintz on February 2, 2010 at 9:41am

Mike,
Yes, Chris Heintz has been working on a massive book on aircraft structures. I believe that it will be available in the very near future. I think that Zenith Aircraft will post the details soon.

Regarding the Gemini twin aircraft, it is waiting in a hanger. Maybe Zenith Aircraft will do something with it in the future. Its a small market for a twin kit aircraft so justifying the kit development is very hard, especially when times are tough.

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