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Re: Sonex-A purchase - What to look for
Bryan, What kind of borescope do you have? Bill, something Adam got on Amazon for $70. It's chinese, has a forward & side camera. It works well enough! That valve doesn’t look too bad. I would triple check to make sure your rockers have the correct .004-.006 gap as being just a little off can c...
- Mon Jun 03, 2024 9:55 am
- Forum: Safety and Training
- Topic: Sonex-A purchase - What to look for
- Replies: 118
- Views: 14734
Re: Sonex-A purchase - What to look for
Murray Parr wrote:I wonder if the valve stopped rotating, it looks like the burnt part of the valve is right near the crack but might just be a coincidence.
It's not the best picture, but the burned part was not aligned with the valve.
- Mon Jun 03, 2024 12:45 am
- Forum: Safety and Training
- Topic: Sonex-A purchase - What to look for
- Replies: 118
- Views: 14734
Re: Sonex-A purchase - What to look for
Burned valve. 80/13 on the leakdown test.
Crack between valves:
These are mofoco heads.
Edit: in theory these heads were off 10 hours ago for new rings, and the valves were not burned. Can that happen this quickly? Interested to hear what the VW gurus think.
Crack between valves:
These are mofoco heads.
Edit: in theory these heads were off 10 hours ago for new rings, and the valves were not burned. Can that happen this quickly? Interested to hear what the VW gurus think.
- Sun Jun 02, 2024 10:39 pm
- Forum: Safety and Training
- Topic: Sonex-A purchase - What to look for
- Replies: 118
- Views: 14734
Re: Sonex-A purchase - What to look for
daleandee wrote:Did you notice any cracking between the valves?
Dale
3.0 Corvair/Tailwheel
Yep! I saw the crack, we may have gotten a picture.
- Sun Jun 02, 2024 10:02 pm
- Forum: Safety and Training
- Topic: Sonex-A purchase - What to look for
- Replies: 118
- Views: 14734
Re: Sonex-A purchase - What to look for
Weather is not cooperating. To top that off, we did a compression check and the numbers were low. Borescoped the cylinder and found a couple burned exhaust valves. Adam is giving him a ride to pick up a uhaul. The seller did not want to do a compression test, and that was a danger sign.
- Sun Jun 02, 2024 12:27 pm
- Forum: Safety and Training
- Topic: Sonex-A purchase - What to look for
- Replies: 118
- Views: 14734
- Fri May 31, 2024 5:48 pm
- Forum: Safety and Training
- Topic: Sonex-A purchase - What to look for
- Replies: 118
- Views: 14734
Re: Rough running primary ignition
Raluttio wrote:Is it common to cruise on primary only? I have seen this casually mentioned a couple of times from various sources.
Yep - it's a huge electrical load for our 20 A. We have enough power to run it but I'd rather put those amps into charging the battery once I'm safely away from the ground.
- Thu May 30, 2024 10:07 am
- Forum: Aerovee
- Topic: Rough running primary ignition
- Replies: 5
- Views: 779
- Wed May 29, 2024 12:33 am
- Forum: Photo Album
- Topic: Cotton Waiex 191 - N191YX
- Replies: 1541
- Views: 4134114
Re: Sonex-A purchase - What to look for
Bryan, If he does remove his wings, remind him & me, isn't there an easier sequence like right before left or the other way around when removing/installing. -brs There is a Sonex instruction sheet for that. Looks like right wing goes on first. So to disassemble left wing off first. [youtu_be:2m...
- Tue May 28, 2024 6:46 pm
- Forum: Safety and Training
- Topic: Sonex-A purchase - What to look for
- Replies: 118
- Views: 14734
Re: Sonex-A purchase - What to look for
There is a lot of negativity here. Just realize that those bad things are not common to every experience. I think your original plan of flying locally for 2 days to make sure your comfort level is there is good. Then setting off with the approach of waiting out weather. The UHaul solution is always ...
- Tue May 28, 2024 5:57 pm
- Forum: Safety and Training
- Topic: Sonex-A purchase - What to look for
- Replies: 118
- Views: 14734
