Author |
Message |
Topic: Head Stud Pulled out of Case |
sdthatcher
Replies: 0
Views: 7712
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Forum: CorvairEngines-List Posted: Tue Jun 22, 2021 6:40 am Subject: Head Stud Pulled out of Case |
After using Arp lube and using the Finch method for torquing the Head Studs, one of the studs simply came out of the case at about 17 ft-lbs, dragging the threads of the case with it. It looked like a ... |
Topic: Zenith-List Digest: 2 Msgs - 04/02/16 |
sdthatcher
Replies: 1
Views: 4445
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Forum: Zenith-List Posted: Sun Apr 03, 2016 1:33 am Subject: Zenith-List Digest: 2 Msgs - 04/02/16 |
Hi Paul. I guess since the "B" mod there haven't been any issues as well as the fact that most new builders are going with the 650.
Scott Thatcher
Zenith-List Digest Server < ... |
Topic: Tale of two Carbs |
sdthatcher
Replies: 4
Views: 9400
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Forum: CorvairEngines-List Posted: Mon Jul 14, 2014 7:50 am Subject: Tale of two Carbs |
Thanks for the data points Ron. My CHTs run 280-325 (one side versus the other). OT is 220 and EGTs run 1350-1400 lean at 3000 rpm.
Scott Thatcher
601XLB 120 hours
Ron Lendon <ron.lendon ... |
Topic: back in the air |
sdthatcher
Replies: 1
Views: 4038
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Forum: Zenith-List Posted: Sat Mar 30, 2013 10:46 am Subject: Re: back in the air |
Congratulations Sabrina. BTW, what car is that on the right? Also, are you now in the PhD program at Harvard? You're moving way too fast for the rest of us! |
Topic: Man thrown from 601XL |
sdthatcher
Replies: 0
Views: 2725
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Forum: Zenith-List Posted: Sat Mar 30, 2013 10:40 am Subject: Man thrown from 601XL |
This news story from AP...
CHATTANOOGA, Tenn. (AP) - Authorities in southeastern Tennessee are searching for a man who was thrown from an experimental aircraft while he was learning to fly from an ... |
Topic: An easy to miss step in your 601B upgrade!! |
sdthatcher
Replies: 5
Views: 7071
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Forum: Zenith601-List Posted: Wed Jan 11, 2012 6:07 am Subject: Re: An easy to miss step in your 601B upgrade!! |
I picked up on the doubling of the rivets during the upgrade but thanks anyway for posting it. You never know...
I found a step on print number 6-zu-3 thats not in the Upgrades photo assembly guid ... |
Topic: ... |
sdthatcher
Replies: 7
Views: 5723
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Forum: Zenith-List Posted: Wed Nov 23, 2011 3:02 am Subject: Re: Happy Thanksgiving |
Great News Sabrina! I always look forward to your new adventures in Engineering. Be sure to let us know how it's going at Cern.
A great day today--I was offered and accepted a summer 2012 inte ... |
Topic: Zenith601-List Digest: 1 Msgs - 07/19/11 |
sdthatcher
Replies: 0
Views: 2191
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Forum: Zenith601-List Posted: Wed Jul 20, 2011 6:27 am Subject: Zenith601-List Digest: 1 Msgs - 07/19/11 |
After 6 years plus, I can't believe you're giving up! Harley's can only
jump a few inches off the ground.
Actually really sorry to hear that you are selling the plane. I remember
all the work ... |
Topic: ... |
sdthatcher
Replies: 5
Views: 6440
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Forum: Zenith-List Posted: Sat Jun 25, 2011 7:41 pm Subject: Re: Update |
Congratulations Sabrina on installing the balanced ailerons and on your award! Your plane looks terrific and I too felt the extra weight of the ailerons but I feel more comfortable flying now than bef ... |
Topic: Question about handling CH601XLB post mods/flight evauation |
sdthatcher
Replies: 4
Views: 4415
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Forum: Zenith-List Posted: Mon May 09, 2011 7:34 am Subject: Re: Question about handling CH601XLB post mods/flight evaua |
Hi Jeff. After the mod, the geometry for the center spar has changed somewhat. Make sure the cables are not rubbing against each other, especially the rudder and/or elevator against the aileron cable ... |
Topic: Zenith Zodiac Front Page News |
sdthatcher
Replies: 6
Views: 6902
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Forum: Zenith-List Posted: Thu Aug 05, 2010 5:21 am Subject: Re: Zenith Zodiac Front Page News |
There's nothing like page one in the Chicago Tribune! I grew up in the Chicago area (Franklin Park and Wilmette) and the Tribune is tough to get into short of committing a crime! Congratulations aga ... |
Topic: Zenith-List Digest: 2 Msgs - 07/14/10 |
sdthatcher
Replies: 0
Views: 1938
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Forum: Zenith-List Posted: Thu Jul 15, 2010 6:03 am Subject: Zenith-List Digest: 2 Msgs - 07/14/10 |
Nice work Sabrina. I wouldn't have thought that the 180 sq inches of
exposed tubing would have slowed down the aircraft so severely! Isn't that
only about 5% increase in the exposed area? I'm n ... |
Topic: 601XL main spar question |
sdthatcher
Replies: 62
Views: 50900
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Forum: Zenith-List Posted: Mon Apr 19, 2010 5:25 am Subject: Re: 601XL main spar question |
taking a break before my Calc-based Physics E&M test on Monday...
The bird looks great! That wouldn't be Palwaukee airport near Chicago would it?
Will your leading edge cuff be riveted back ... |
Topic: 601XL main spar question |
sdthatcher
Replies: 62
Views: 50900
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Forum: Zenith-List Posted: Thu Apr 15, 2010 6:58 am Subject: Re: 601XL main spar question |
Sabrina... Is your comment below the reason you felt uneasy about the upgrade?
"Do you think, in a flutter scenario you suggest, the wing fails first in negative gs?" |
Topic: 601XL main spar question |
sdthatcher
Replies: 62
Views: 50900
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Forum: Zenith-List Posted: Thu Apr 15, 2010 6:49 am Subject: Re: 601XL main spar question |
I've still got mine... from some 40 years ago!
P.S. Dear John... a better book than CH's is Bruhn's Analysis & Design of Flight Vehicle Structures... a little bit more expensive at $100 use ... |
Topic: 601XL main spar question |
sdthatcher
Replies: 62
Views: 50900
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Forum: Zenith-List Posted: Wed Apr 14, 2010 6:27 am Subject: Re: 601XL main spar question |
Hi Sabrina,
Great to hear you are going forward with your strut idea. Where did you say you were attaching the fuselage portion of the strut? And did your calculations show a significant reductio ... |
Topic: Progress Milestone |
sdthatcher
Replies: 5
Views: 5211
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Forum: Zenith-List Posted: Sat Feb 20, 2010 4:59 am Subject: Re: Progress Milestone |
Great job Peter! I could feel your joy at finally seeing the completed aircraft. The next big one is your first flight! |
Topic: Landing Gear |
sdthatcher
Replies: 4
Views: 3565
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Forum: Zenith-List Posted: Tue Feb 16, 2010 4:58 am Subject: Re: Landing Gear |
Hi Bobby,
Before I put my gear on the aircraft with the flat side forward, I had done it with the flat side aft. I called Zenith and they said there was no problem having notches fore and aft on t ... |
Topic: For Sale |
sdthatcher
Replies: 1
Views: 6456
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Forum: CorvairEngines-List Posted: Tue Jan 19, 2010 11:18 am Subject: Engine and other things for sale |
Sorry to see you leave John. You might want to keep your WW manual... just
in case. Remember that bad times don't last forever... I hope.
Scott Thatcher, Palm Beach Gardens, FL
601XL with WW Co ... |
Topic: A smidge of good news |
sdthatcher
Replies: 12
Views: 10634
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Forum: Zenith-List Posted: Thu Dec 10, 2009 6:03 am Subject: Re: A smidge of good news |
Great job Kevin keeping your options open and the plane in the air! It doesn't always work out that way.
Scott Thatcher
N601EL w/WW Corvair 40+ hours
http://placestofly.com
I've debated wheth ... |
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