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Re: Aerovee one EGT high

So I'm making another flow straightener. Here are the parts. I prototyped in flashing. upper flow control parts.png This is made from 0.016 2024-T3 and AN470AD3-3 rivets. upper flow control riveted.png It slips in like this: upper flow control going in.png Here it is all the way in. The ends are ben...
by Bryan Cotton
Sat May 04, 2024 5:07 pm
 
Forum: Aerovee
Topic: Aerovee one EGT high
Replies: 41
Views: 2661

Re: Sonex-A purchase - What to look for

60 hours is good. Burning up some hours in PA before you leave is really sensible. Things to be aware of, at least based on my experience: 1) oil will leak and come out the breather. More RPM means more oil coming out. Find your happy RPM and know what to expect for fuel burn and oil usage. 2) My Ae...
by Bryan Cotton
Sat May 04, 2024 2:26 pm
 
Forum: Safety and Training
Topic: Sonex-A purchase - What to look for
Replies: 25
Views: 1357

Re: Electrical Failure

23-27 VAC open loop on the stator at 3000 RPM.
http://www.sonexbuilders.net/viewtopic. ... age#p56060
by Bryan Cotton
Sat May 04, 2024 9:34 am
 
Forum: Onex
Topic: Electrical Failure
Replies: 5
Views: 112

Re: Electrical Failure

Hey pvs, welcome to the forum. You don't say what engine you have but I'm thinking AeroVee is a good guess. There is not much to the electrical system. You need good magnets, a good stator, a good voltage regulator, and it needs to be hooked up. When I was troubleshooting I first checked the open lo...
by Bryan Cotton
Sat May 04, 2024 9:28 am
 
Forum: Onex
Topic: Electrical Failure
Replies: 5
Views: 112

Re: Aerovee one EGT high

Test flight - 1415 in climb until I got to 3000' MSL or so. Awesome RPM, over 3200. At 90kts was almost 3300, but the EGT went to 1430. Way better than before. I'm not done but on the right track I think.
by Bryan Cotton
Fri May 03, 2024 8:05 pm
 
Forum: Aerovee
Topic: Aerovee one EGT high
Replies: 41
Views: 2661

Re: Sonex-A purchase - What to look for

Congrats! I'd have to get it approved by the war department but may be able to put you up at C77 if you need a stop. There may be others who would do the same. Even at 100kts it beats driving a uhaul.
by Bryan Cotton
Fri May 03, 2024 5:51 pm
 
Forum: Safety and Training
Topic: Sonex-A purchase - What to look for
Replies: 25
Views: 1357

Re: Aerovee one EGT high

A view of my flow straightener via inspection mirror. Test flight after work today.
Screenshot_20240502-205109~2.png


I originally used pops for the flow straightener. Got to thinking it would be bad if a mandrel went through the engine. I drilled out the pops and installed solid rivets.
by Bryan Cotton
Fri May 03, 2024 10:43 am
 
Forum: Aerovee
Topic: Aerovee one EGT high
Replies: 41
Views: 2661

Re: Aerovee one EGT high

My super simple deflectors. Not much surface area is blocked due to filter radius, pleats, and a slight bend front & rear. The rivet tails in the pleats help keep alignment.
deflector reflector.png


deflector inlet area.png


deflector viewed through inlet.png
by Bryan Cotton
Thu May 02, 2024 9:43 pm
 
Forum: Aerovee
Topic: Aerovee one EGT high
Replies: 41
Views: 2661

Re: Aerovee one EGT high

I read through this and I have a few thoughts/considerations: Good luck! Robert, 1) I've had two air filter configurations. One directly attached and one with the elbow. The only reason I swapped was because I didn't have the K&N RC-1980 safetied. It fell off and melted on the exhaust. It is no...
by Bryan Cotton
Thu May 02, 2024 1:38 pm
 
Forum: Aerovee
Topic: Aerovee one EGT high
Replies: 41
Views: 2661

Re: Aerovee one EGT high

You need to get a good reading on the CHT. That's all the matters, really. If the CHT is in line with the others, and within the proper range, then there is likely nothing wrong with the cylinder, so it would be a sensor or display issue with the EGT. My CHTs have never been matched, or particularl...
by Bryan Cotton
Wed May 01, 2024 9:18 pm
 
Forum: Aerovee
Topic: Aerovee one EGT high
Replies: 41
Views: 2661
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