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Search: Posts Made By: KayS
Forum: RV General Discussion/News 05-23-2022, 10:01 AM
Replies: 22
Views: 1,697
Posted By KayS
same here! i don't have post-build blues, it's...

same here!

i don't have post-build blues, it's post-build burnout. after bringing the aircraft in flyable condition i just fix things and fly around. no time left for painting, finishing fiberglass...
Forum: Traditional Aircraft Engines 05-19-2022, 09:11 AM
Replies: 19
Views: 1,400
Posted By KayS
difference between mineral aviation oil and car engine oil?

Hi All, i know a guy who owns a Cessna with 140 hp lycoming. el cheapo he is, he mixes mineral aviation oil (don't recall the brand) 50:50 with even cheaper mineral oil for gasoline cars, the stuff...
Forum: Fuel Injection Systems 05-15-2022, 01:09 AM
Replies: 4
Views: 376
Posted By KayS
Dan, thanks for the response! When i do a ground...

Dan, thanks for the response! When i do a ground test there will be no windmilling prop and therefore no spark plugs sparking and mech fuel pump pumping. but the ground test will tell me if my setup...
Forum: Fuel Injection Systems 05-14-2022, 02:08 AM
Replies: 4
Views: 376
Posted By KayS
air lock/fuel starvation with AFP fuel pump

Hi All,

i have the bendix style silverhawk throttle body combined with the airflowperformance fuel pump/filter unit without a return line.

the pump/filter assembly is the old spaghetthi style...
Forum: RV-7/7A 05-03-2022, 01:00 AM
Replies: 2,010
Views: 1,471,540
Posted By KayS
Marcel: i was sneaking around your beautiful bird...

Marcel: i was sneaking around your beautiful bird several times but everytime you have been busy talking. very interesting setup and a great looking aircraft! hopefully we can chat next Aero or at...
Forum: RV General Discussion/News 04-29-2022, 02:15 AM
Replies: 28
Views: 2,195
Posted By KayS
moving the air through the engine takes energy...

moving the air through the engine takes energy because of all the flow restrictions in the system. that energy has to come from gas. having a higher air pressure at the inlet from the beginning (due...
Forum: RV General Discussion/News 03-10-2022, 03:55 AM
Replies: 234
Views: 108,070
Posted By KayS
after completion of my RV7 i started to build an...

after completion of my RV7 i started to build an hummel ultracruiser. same basic technology but complete different mission for much lower costs.
Forum: RV Building Tips/Techniques 02-25-2022, 02:23 AM
Replies: 10
Views: 1,026
Posted By KayS
Folks, thanks for your inputs! seems i'm not...

Folks, thanks for your inputs! seems i'm not alone. will assess the situation on the airplane and report back. scuffing/grinding of the steel tube and cleaning seems to be the easiest solution for...
Forum: RV Building Tips/Techniques 02-24-2022, 01:16 AM
Replies: 10
Views: 1,026
Posted By KayS
moving exhaust pipes

Hi All,

i have the vetterman 4-2 exhaust. the two exit pipes are secured as per instruction... using these rubber tubes that are connect to steel rods (that are flared at the ends) via hose clamps....
Forum: RV General Discussion/News 02-20-2022, 12:53 PM
Replies: 11
Views: 1,325
Posted By KayS
"Is this just artistry? Does it come down to...

"Is this just artistry? Does it come down to "That Looks About Right?""

you nailed it in first place.
Forum: Electrical Systems 02-19-2022, 03:19 PM
Replies: 24
Views: 1,936
Posted By KayS
https://vansairforce.net/community/showthread.php?...

https://vansairforce.net/community/showthread.php?t=139740

Maybe your battery sulfated. All the info needed is above. I used a simplified process... just drained the battery with low load (only...
Forum: Electrical Systems 02-19-2022, 01:07 PM
Replies: 24
Views: 1,936
Posted By KayS
My one behaved the same when new. There's a...

My one behaved the same when new. There's a procedure to improve battery performance of the PC680, description also here at VAF. i did that and since then the battery performs great in combination...
Forum: RV General Discussion/News 02-14-2022, 03:08 AM
Replies: 17
Views: 3,531
Posted By KayS
thought i give a quick update... you guys have...

thought i give a quick update...

you guys have been correct. i just kept going to drain the fuel as part of preflight. over time the dirt has disappeared completely. seems it was just left over from...
Forum: RV General Discussion/News 02-09-2022, 03:25 AM
Replies: 1
Views: 411
Posted By KayS
priming mating surfaces of different aluminum alloys

everybody please respect the cease fire in the primer wars...

my understanding is that 2024-T3 and 6061-T6 have different characteristics when it comes to corrosion, with 6061 being less prone to...
Forum: RV General Discussion/News 01-22-2022, 02:50 AM
Replies: 30
Views: 5,321
Posted By KayS
thought i give an update... after some further...

thought i give an update... after some further analysing and testing over the last year, i came to the conclusion that (at least in an RV7) it is basically impossible to route any body fluids from...
Forum: Traditional Aircraft Engines 01-21-2022, 03:02 AM
Replies: 39
Views: 21,320
Posted By KayS
i do have now 160 hours on my nickel plated ECI...

i do have now 160 hours on my nickel plated ECI titan cylinders... not the high time Paul was asking for. but looks good so far. after brake in the oil consumption stabilized at around 7 hours /...
Forum: RV Building Tips/Techniques 01-20-2022, 01:17 PM
Replies: 38
Views: 3,608
Posted By KayS
i am ok with the side effects, except for the...

i am ok with the side effects, except for the last one.

1/16" sounds a bit beefy, i think 1/32 or so should do. the airflow in the heat exchanger shouldn't be that violent.
Forum: RV Building Tips/Techniques 01-20-2022, 11:44 AM
Replies: 38
Views: 3,608
Posted By KayS
sounds convincing enough. will check ifsome SS is...

sounds convincing enough. will check ifsome SS is laying around in my scrap metal box.

Thank you for taking the time.
Forum: RV Building Tips/Techniques 01-20-2022, 08:33 AM
Replies: 38
Views: 3,608
Posted By KayS
i also wonder to make these things from aluminum...

i also wonder to make these things from aluminum sheet. melting temp of 2024 is around 900 - 1200 F. we know that exhaust gas temps can get higher but i have no idea how hot the exhaust pipe itself...
Forum: RV Building Tips/Techniques 01-19-2022, 03:26 AM
Replies: 38
Views: 3,608
Posted By KayS
Darin, your modification looks great! could you...

Darin, your modification looks great! could you in some way "quantify" the improvement? some or a lot more heat?
Forum: Alternative Engines 01-14-2022, 01:09 PM
Replies: 36
Views: 5,412
Posted By KayS
do these engine have a golden crankshaft?

do these engine have a golden crankshaft?
Forum: RV General Discussion/News 01-13-2022, 02:52 PM
Replies: 14
Views: 1,297
Posted By KayS
That's neat!!!! was wondering about that problem...

That's neat!!!! was wondering about that problem for weeks now. Here's the solution. Thank you Mike!
Forum: Traditional Aircraft Engines 01-08-2022, 04:06 AM
Replies: 31
Views: 3,617
Posted By KayS
Larry/Scott: that means the only advantage of...

Larry/Scott: that means the only advantage of single weight oil is being a buck or so cheaper per can?

did not know that. if so i will consider changing to multi weight. have to place an order for...
Forum: Traditional Aircraft Engines 01-06-2022, 11:58 PM
Replies: 31
Views: 3,617
Posted By KayS
what i understood is that thicker oil lubricates...

what i understood is that thicker oil lubricates better when it's warm enough. another benefit is that it's more sticky and therefor coats the internal engine components after shutdown longer ==>...
Forum: RV General Discussion/News 01-05-2022, 08:27 AM
Replies: 29
Views: 3,462
Posted By KayS
working in the cold sucks. in addition to your...

working in the cold sucks. in addition to your propane heater... get a simple and cheap electric heater from wal mart / home depot. switch it on an hour or so before you start working. should be be...
Forum: Traditional Aircraft Engines 01-04-2022, 04:24 AM
Replies: 31
Views: 3,617
Posted By KayS
i use 100W plus. my engine has just 150 hours but...

i use 100W plus. my engine has just 150 hours but i never saw any debris in the filter at oil changes (except a little bit at first filter change after brake in with straight aeroshell 100). so it...
Forum: RV General Discussion/News 12-21-2021, 02:52 PM
Replies: 10
Views: 1,648
Posted By KayS
Congratulation George!! My plane had three first...

Congratulation George!! My plane had three first flights. One with the first flight pilot, one with us both and the third (and real first flight) was me solo.

Wish you many years of fun with your...
Forum: Traditional Aircraft Engines 12-16-2021, 02:37 PM
Replies: 114
Views: 16,718
Posted By KayS
Hollow bolts (already drilled) are available in...

Hollow bolts (already drilled) are available in different sizes. Saw one on a firewall with inner diameter of 5/16 or so. Super neat idea for many firewall penetrating applications. I wondered why we...
Forum: RV General Discussion/News 12-16-2021, 08:33 AM
Replies: 64
Views: 9,351
Posted By KayS
that sounds valid. if it hits me one day i will...

that sounds valid. if it hits me one day i will just close my eyes and pray... "please lord, no prop strike"
Forum: RV General Discussion/News 12-16-2021, 08:10 AM
Replies: 64
Views: 9,351
Posted By KayS
isn't applying brakes a good thing in the event?...

isn't applying brakes a good thing in the event? you probably wouldn't be able to stop the aircraft from looping around, but it would reduce the kinetic energy in the system ==> less tendency to...
Forum: RV General Discussion/News 12-13-2021, 02:20 PM
Replies: 42
Views: 9,086
Posted By KayS
why do we not interconnect the vent lines in the...

why do we not interconnect the vent lines in the fuselage?
Forum: Traditional Aircraft Engines 12-10-2021, 08:33 AM
Replies: 114
Views: 16,718
Posted By KayS
here comes just another data point: i recently...

here comes just another data point: i recently installed the vans shutter on my oil cooler due to persistent low oil temps. actuated via bowden cable from cockpit.

i saw a delta of around 20 F...
Forum: RV-7/7A 12-08-2021, 12:41 AM
Replies: 36
Views: 4,740
Posted By KayS
Nice Panel! I would just suggest to place the...

Nice Panel! I would just suggest to place the switches for boost pump and flaps farther away from eachother.
Forum: RV Building Tips/Techniques 12-06-2021, 03:42 AM
Replies: 17
Views: 4,713
Posted By KayS
i sealed my slider rear and side skirts and the...

i sealed my slider rear and side skirts and the bulkhead triangles but it is still a lot of cold air coming into the cabin.

i'm under the impression that most of the cold air now comes from the...
Forum: Traditional Aircraft Engines 11-29-2021, 12:54 PM
Replies: 114
Views: 16,718
Posted By KayS
rockwood: place your EGT probes 2" lower on the...

rockwood: place your EGT probes 2" lower on the exhaust pipes to solve your high exhaust temp problem.:D

your CHT's and Oil temps matter, EGT's shouldn't.
Forum: RV General Discussion/News 11-25-2021, 02:04 AM
Replies: 16
Views: 7,269
Posted By KayS
are there any news on the subject? maybe somebody...

are there any news on the subject? maybe somebody could share some better experiences meanwhile...
Forum: RV General Discussion/News 11-23-2021, 01:59 PM
Replies: 17
Views: 2,389
Posted By KayS
F-16 :D ;) did not find that on amazon.

F-16 :D ;)

did not find that on amazon.
Forum: Traditional Aircraft Engines 11-22-2021, 04:59 AM
Replies: 114
Views: 16,718
Posted By KayS
Mickey: usually my CHT's run much cooler than...

Mickey:

usually my CHT's run much cooler than 350 F and i investigated if that could be a problem. i use 100 LL in one tank only for takeoff/climb/landing, so most time the engine consumes unleaded...
Forum: RV General Discussion/News 11-14-2021, 02:21 AM
Replies: 41
Views: 6,307
Posted By KayS
for a while i am looking for a transport device...

for a while i am looking for a transport device that i can carry in my 7. i'm a big fan of all these lithium ion powered gizmos like scooters, one wheelers, ebikes etc... these are just cool.
but i...
Forum: RV General Discussion/News 11-12-2021, 08:01 AM
Replies: 39
Views: 4,840
Posted By KayS
I have these black fittings all over the place in...

I have these black fittings all over the place in my fuel system. Maybe it's worth to discuss that point in more detail.
Forum: RV-7/7A 11-11-2021, 10:22 AM
Replies: 16
Views: 2,162
Posted By KayS
Have exactly the same setup as Ryan in post #6....

Have exactly the same setup as Ryan in post #6. No problems for more than 100 hours now.
Forum: RV-7/7A 11-03-2021, 02:32 PM
Replies: 5
Views: 1,365
Posted By KayS
Me too. These kind of holes add character to the...

Me too. These kind of holes add character to the airplane and make it lighter. :D
Forum: RV Building Tips/Techniques 10-24-2021, 03:29 PM
Replies: 15
Views: 3,013
Posted By KayS
Just checked my rudder, looks the same. Never...

Just checked my rudder, looks the same. Never noticed that before. Aircraft flies straight and true.

I think if your trailing edge is straight, you're good to go.
Forum: Propellers 10-21-2021, 12:23 AM
Replies: 12
Views: 2,127
Posted By KayS
Mike, keep in mind that changing anything in that...

Mike, keep in mind that changing anything in that area, like drilling new holes, will likely change the vibration characteristics. if your prop is dynamically balanced already you maybe have to do it...
Forum: RV General Discussion/News 10-16-2021, 01:23 AM
Replies: 7
Views: 1,117
Posted By KayS
ASI markings are a good idea. spruce for instance...

ASI markings are a good idea. spruce for instance has them...

https://www.aircraftspruce.com/catalog/cspages/rangemarkdecal.php
Forum: RV-14 10-08-2021, 12:58 AM
Replies: 13
Views: 2,890
Posted By KayS
This is great news, Congrats!!! how many hours...

This is great news, Congrats!!!

how many hours did the build take? standard or quickbuild?
Forum: Traditional Aircraft Engines 09-21-2021, 12:36 AM
Replies: 8
Views: 1,114
Posted By KayS
thanks for your inputs! i was not concerned about...

thanks for your inputs! i was not concerned about the raising temperatures, just curious and wanted to understand. seems that this behavior is normal and i don't have a sensor wiring problem.

btw......
Forum: Traditional Aircraft Engines 09-20-2021, 06:01 AM
Replies: 8
Views: 1,114
Posted By KayS
increasing oil temp at landing

Hi All,

my oil temps were always low. 150 - 170 in summer, during winter my oil never unfreezes. currently i install Vans oil cooler shutter.

over the last flights i saw increasing temperatures...
Forum: RV General Discussion/News 09-18-2021, 07:56 AM
Replies: 30
Views: 5,626
Posted By KayS
thought that's standard practice.

thought that's standard practice.
Forum: RV General Discussion/News 09-14-2021, 07:04 AM
Replies: 34
Views: 15,373
Posted By KayS
which servo are you talking about?

which servo are you talking about?
Forum: RV General Discussion/News 09-06-2021, 02:26 PM
Replies: 18
Views: 2,689
Posted By KayS
I strongly advise 42 psi because 42 is the answer...

I strongly advise 42 psi because 42 is the answer to everything, so it can't be wrong. and easy to remember when you wanna fill your tires during maintainance.
Forum: RV General Discussion/News 08-26-2021, 11:58 PM
Replies: 8
Views: 1,777
Posted By KayS
when i shut down via ICO and leave the mixture...

when i shut down via ICO and leave the mixture alone, only a few drops come out of the sniffle valve. but when i push the mixture forward after shutdown it's a similar amount of gas/oil as in your...
Forum: RV General Discussion/News 08-25-2021, 02:18 PM
Replies: 45
Views: 7,809
Posted By KayS
is there a prize for solving the equation? :-)

is there a prize for solving the equation? :-)
Forum: Electrical Systems 08-22-2021, 03:00 AM
Replies: 11
Views: 1,661
Posted By KayS
you add building time and weight to increase the...

you add building time and weight to increase the drag of your aircraft.

i think the best approach is to estimate the electrical power consumption of your system. if that continuous load is well...
Forum: Electrical Systems 08-22-2021, 02:38 AM
Replies: 11
Views: 1,661
Posted By KayS
my main alternator had a blast tube installed in...

my main alternator had a blast tube installed in first place but i removed it. i figured that the charging current (with a not completely drained battery) is high only within the first minutes when...
Forum: RV General Discussion/News 08-20-2021, 01:16 AM
Replies: 7
Views: 1,363
Posted By KayS
i did my inspection panels front of the...

i did my inspection panels front of the windshield without taking the thickness of the sealant material into account. that means i did not install an additional aluminum sheet between the top skin...
Forum: RV General Discussion/News 08-20-2021, 01:01 AM
Replies: 24
Views: 6,864
Posted By KayS
i totally agree with our swiss neighbors. the...

i totally agree with our swiss neighbors. the entire 100LL topic (price and future availability) has a very different gravity in europe. the 14 is for sure is a great design but not having some stock...
Forum: Traditional Aircraft Engines 08-07-2021, 06:40 AM
Replies: 6
Views: 1,169
Posted By KayS
Thanks for the inputs. I will contact lycoming...

Thanks for the inputs. I will contact lycoming and report here.
Forum: Traditional Aircraft Engines 08-06-2021, 04:13 AM
Replies: 6
Views: 1,169
Posted By KayS
piston ring wear at low power setting

https://www.lycoming.com/content/tips-extending-tbo

came across this link where lycoming provides some info how to be kind to our engines. you will all agree that reaching TBO or being able to go...
Forum: RV Ongoing Maintenance Issues 08-05-2021, 12:14 AM
Replies: 13
Views: 3,527
Posted By KayS
here's a nice overview from AOPA of how the...

here's a nice overview from AOPA of how the valves should look like...

https://www.aopa.org/-/media/Files/AOPA/Home/Pilot-Resources/ASI/Valve-safety/14FN0000-ASI-Valve-Safey-Poster_Final.pdf
Forum: Traditional Aircraft Engines 08-03-2021, 03:27 AM
Replies: 3
Views: 906
Posted By KayS
i'm no engine expert but before my engine break...

i'm no engine expert but before my engine break in i consulted several people witch lycoming background and also checked the knowledge available at this site here.

what i understood so far was...
Forum: RV General Discussion/News 07-13-2021, 03:06 PM
Replies: 5
Views: 1,798
Posted By KayS
I asked a similar question several weeks ago. The...

I asked a similar question several weeks ago. The stuff at your picture looks black and somewhat large pieces. standard Van's tank sealant has a more grey colour. When your tanks are almost empty you...
Forum: Traditional Aircraft Engines 07-12-2021, 05:18 AM
Replies: 35
Views: 7,037
Posted By KayS
i was asking myself exactly the same question...

i was asking myself exactly the same question years ago. firewall forward looked overwhelming in first place but turned out to be no drama at all.

just take your time and do it step by step......
Forum: RV Building Tips/Techniques 07-09-2021, 12:04 AM
Replies: 18
Views: 2,632
Posted By KayS
Ok, got it. Polishing a firewall is just for the...

Ok, got it. Polishing a firewall is just for the coolness factor. That's enough reason for me. :D
Showing results 1 to 64 of 434

 
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