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Search: Posts Made By: rv8ch
Forum: RV General Discussion/News Yesterday, 04:12 PM
Replies: 18
Views: 917
Posted By rv8ch
gasoline vapor pressure

This diagram might help you.

https://www.researchgate.net/profile/Ziman_Wang/publication/320548755/figure/fig16/AS:668536057913349@1536402825556/Vapour-pressure-of-isooctane-14.png

Can't vouch for...
Forum: RV-4 Yesterday, 10:16 AM
Replies: 2
Views: 84
Posted By rv8ch
pitch servo bracket

You might consider buying the Dynon kit - it comes with the angle. At a min, I recommend checking their documentation. If the angle is longer, it's not a problem, you just have to make the rod...
Forum: Engine Monitors 11-12-2018, 12:09 AM
Replies: 9
Views: 395
Posted By rv8ch
GRT vs MGL

They both seem to be very good units. I ended up with the GRT and it seems to be a very good unit - not flying yet.

I really like the MGL's design to be on the engine side of the FW, which avoids...
Forum: Electrical Systems 11-11-2018, 01:14 PM
Replies: 50
Views: 14,454
Posted By rv8ch
Blue Sea USB teardown

I accidentally pulled open my blue sea USB panel mount and here are some pictures. ...
Forum: RV General Discussion/News 11-10-2018, 01:05 PM
Replies: 4
Views: 303
Posted By rv8ch
Thanks!

Thanks Jim!
Forum: RV General Discussion/News 11-10-2018, 12:00 PM
Replies: 4
Views: 303
Posted By rv8ch
RV8 rear seat shoulder straps

Anyone know how this should be done in an RV8? Do the straps go all the way back to the mounting tab? I couldn't find any details in the plans or anyone's blog.
Forum: Interiors 11-09-2018, 06:28 AM
Replies: 3
Views: 303
Posted By rv8ch
dimple first

I'd dimple first - is there a reason you want to delay dimpling until after paint?
Forum: RV General Discussion/News 11-08-2018, 09:48 AM
Replies: 13
Views: 759
Posted By rv8ch
Great tips

Thanks a lot for the tips and words of encouragement! I'll send an update on each leg early next month when I do this.
Forum: RV-8/8A 11-08-2018, 06:40 AM
Replies: 3
Views: 2,317
Posted By rv8ch
patches

I just sent Tom 9 bucks from France, so it should arrive sometime this year. :D Will let you know if I get a response.
Forum: RV General Discussion/News 11-07-2018, 03:17 PM
Replies: 13
Views: 759
Posted By rv8ch
Using a trailer

All good tips on using a truck, the challenge is that where I live they don't rent trucks big enough for an RV8 to normal people, only folks with a truck driving license. Consequently, there is...
Forum: RV General Discussion/News 11-07-2018, 01:21 PM
Replies: 13
Views: 759
Posted By rv8ch
Tips for trailering RV8 needed

I'm going to be trailering my RV8 to the paint shop and then to the airport, and would appreciate any tips or hints. I've got a 7 ft (2.2m) wide, 16 ft (5m) long totally flat trailer with a very...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 11-04-2018, 01:43 AM
Replies: 11
Views: 961
Posted By rv8ch
cherrymax gauge

I also had this problem, and I bought one of these:

https://omegatec.com/gs-269c3-cherrymax-grip-gauge.aspx

https://omegatec.com/images/products/detail/Grip-Gage-l.jpg
Forum: RV General Discussion/News 11-02-2018, 01:52 PM
Replies: 6
Views: 366
Posted By rv8ch
pump from the bottom

Just did mine following the "pump it up from the bottom" advice I got on the VAF and it worked perfectly. I can't really test the brake effectiveness since there's not a lot of room to pick up speed...
Forum: RV General Discussion/News 11-02-2018, 05:50 AM
Replies: 13
Views: 947
Posted By rv8ch
Welcome Rich!

If I may be so bold, welcome to VAF! I think you are building the 2nd best RV and flying the best. :D
Forum: RV General Discussion/News 10-31-2018, 05:52 PM
Replies: 106
Views: 14,909
Posted By rv8ch
ice

I may be interpreting what was written, but it sounds like the water froze in the tank, so testing the fuel might not have picked this up. I could be wrong of course. It's something that I don't...
Forum: Electrical Systems 10-31-2018, 10:20 AM
Replies: 50
Views: 14,454
Posted By rv8ch
12v USB panel mount hub with high power charging

I'm looking for a panel mount hub with 2 to 4 ports, with the 2.1A capability, and not just a charger, but a hub, so I can plug it into my EFIS USB port in the back. Anyone able to find one?

The...
Forum: RV General Discussion/News 10-30-2018, 07:50 AM
Replies: 106
Views: 14,909
Posted By rv8ch
balancing the load

You know your mission better than I do, but don't you want to balance the load a bit by changing tanks every 30/45/60 minutes or something like that? What I do is fly on the right tank while the...
Forum: Electrical Systems 10-30-2018, 01:39 AM
Replies: 36
Views: 2,013
Posted By rv8ch
diagram needed

My recommendation would be to first do an analysis of what you have today - reverse-engineer a good wiring diagram. From that, the best way to proceed will become very clear.

Even though I firmly...
Forum: RV-8/8A 10-28-2018, 01:54 AM
Replies: 13
Views: 1,098
Posted By rv8ch
AP install

For the roll servo, you could install that on a flying RV8 in a few hours with no problem via the bell crank inspection port in the L or R wing. Running the wire would be very easy, don't need to...
Forum: RV-4 10-27-2018, 11:58 AM
Replies: 3
Views: 323
Posted By rv8ch
RV8 tank attach bracket

Here's a clip from what I have on Drawing 43 to buy you a bit of time - I'd check with the factory to ensure that it's the same for the -4. You can get the preview plans from Van's on USB key for a...
Forum: RV General Discussion/News 10-27-2018, 06:20 AM
Replies: 13
Views: 1,896
Posted By rv8ch
Talking kit numbers

Complete kits or tail kits? Obviously more tail kits are sold than the rest, but I'm not aware that they have published this number, and I'm sure that they do analyze this to increase the number of...
Forum: RV General Discussion/News 10-27-2018, 06:13 AM
Replies: 47
Views: 1,890
Posted By rv8ch
Essential bus

Here's a diagram from the aeroelectric connection book that I have:

http://www.rv8.ch/wp-content/uploads/2018/10/AeroElectric-Essential-Bus-17-3.png

Shows a basic switch and a fusible link...
Forum: GPS 10-27-2018, 01:30 AM
Replies: 9
Views: 1,413
Posted By rv8ch
thanks

Thanks for all the feedback - very helpful. Gotta love this forum!
Forum: RV Building Tips/Techniques 10-27-2018, 01:16 AM
Replies: 13
Views: 1,016
Posted By rv8ch
unusual pressures

Mark, interesting question - my concern would be that in areas like that there are a lot of unusual pressures, could be positive, could be negative, and if there is no cowl attachment there you would...
Forum: RV-10 10-27-2018, 01:06 AM
Replies: 8
Views: 1,029
Posted By rv8ch
almost spit out my coffee!

That's one I have not heard! Wow! :D Those pests are quick - they can build those nests in just a couple of hours - a good thing to look for during a preflight.
Forum: Primers 10-25-2018, 02:36 PM
Replies: 10
Views: 916
Posted By rv8ch
paint shop

I prepped all my parts and brought them to a standard car paint shop, and got them to spray akzo on them, then a nice top coat of RAL 7035 to match the powder coated parts. Took a bit of planning,...
Forum: RV Ongoing Maintenance Issues 10-25-2018, 02:24 PM
Replies: 16
Views: 2,259
Posted By rv8ch
all ok

I have not run the numbers, but I have built an HS for an -8. I would be really shocked if the HS is not strong enough to be lifted the way he did, or even from much closer to the tips. I'm sure...
Forum: GPS 10-24-2018, 03:46 PM
Replies: 9
Views: 1,413
Posted By rv8ch
can a GPS antenna cable length be reduced?

Does anyone know if it's "possible" to reduce the GPS antenna length?

I have one from GRT like this, but with a much longer...
Forum: RV General Discussion/News 10-24-2018, 01:04 AM
Replies: 65
Views: 4,395
Posted By rv8ch
heat shrink labels

I also use the 6mm dymo heat shrink labels. I hand write on the other side the same thing as is printed by the label maker. Unfortunately it only prints on one side.

I also use some heat shrink...
Forum: Traditional Aircraft Engines 10-21-2018, 01:58 AM
Replies: 5
Views: 912
Posted By rv8ch
Using leaf blowers for engine testing on the ground

I think everyone knows that we should not run our engines on the ground too long due to cooling issues, particularly new engines. Has anyone ever tried hooking up a couple of leaf blowers to the...
Forum: RV General Discussion/News 10-20-2018, 02:16 AM
Replies: 29
Views: 2,257
Posted By rv8ch
Nice switch

That is a good-looking switch.

https://assets.alliedelec.com/c_scale,w_400,f_auto,d_no_image.png/70192232.jpg
Forum: RV General Discussion/News 10-19-2018, 10:24 AM
Replies: 29
Views: 2,257
Posted By rv8ch
Ring terminal vs spade

I agree, but I could not find the honeywell switches with the spade, so I went with the ring terminals. I've designed my panel as Paul recommended, so that it will come out and sit flat on my lap or...
Forum: RV General Discussion/News 10-19-2018, 12:39 AM
Replies: 29
Views: 2,257
Posted By rv8ch
Honeywell

I bought a full set (and more) of Carlings, and they seemed fine. I saw the honeywell switches somewhere on the internet, and thought I'd buy a couple just to see how they are different, and I found...
Forum: RV General Discussion/News 10-18-2018, 03:45 AM
Replies: 15
Views: 996
Posted By rv8ch
extra hands

Yes, these extra hands are very helpful. I got one with a magnifying glass but it fell out. Still useful.

http://www.rv8.ch/wp-content/uploads/2018/10/img_4526-e1539852225269-1024x1024.jpg
Forum: RV General Discussion/News 10-18-2018, 12:10 AM
Replies: 15
Views: 996
Posted By rv8ch
Pigtail

Me too. About the pigtails on some solder sleeve, on the ones I bought, the pigtail is just a bit of wire that's been melted into the solder ring, so making your own is exactly equivalent. I assume...
Forum: RV General Discussion/News 10-17-2018, 03:15 AM
Replies: 15
Views: 996
Posted By rv8ch
Red and Blue

Agree with Amer - Get a bunch of Reds and Blues. They are really great.
Forum: VAF Classifieds (posts in here deleted after 30 days) 10-13-2018, 03:45 PM
Replies: 4
Views: 1,009
Posted By rv8ch
no photos for me either

No photos for me either.
Forum: RV General Discussion/News 10-11-2018, 11:15 AM
Replies: 3
Views: 438
Posted By rv8ch
FWF wiring

I found this very useful:

https://www.vansaircraft.com/images/RV-14/RV-14_360/RV-14.html

Here are some pics of how I did...
Forum: RV General Discussion/News 10-10-2018, 02:03 AM
Replies: 55
Views: 3,096
Posted By rv8ch
links to other good videos

As was already mentioned, the links to EAA videos that are applicable to RVs is a good idea, there are also other videos on fiberglass, wiring, and soldering available that I found helpful. Steinair...
Forum: RV General Discussion/News 10-07-2018, 03:19 PM
Replies: 14
Views: 1,344
Posted By rv8ch
don't bother

Don't bother - looks like the FAA is going to increase the LSA weight limits. https://www.avweb.com/avwebflash/news/LSA-Weight-Limit-Increasing-To-3600-Pounds-231639-1.html
Forum: RV-9/9A 10-06-2018, 12:08 AM
Replies: 16
Views: 1,569
Posted By rv8ch
Nice drawing

That's a very clean drawing - wow. Well done.
Forum: RV-9/9A 10-05-2018, 04:17 PM
Replies: 16
Views: 1,569
Posted By rv8ch
PDF diagrams

Van's has a really useful document here:

https://www.vansaircraft.com/public/download/RV-14/WH-00125.pdf
Forum: Primers 10-04-2018, 08:20 AM
Replies: 18
Views: 1,241
Posted By rv8ch
Yes

Yes, if you want to be 100% sure and not question your decision. Will the primer stick well enough to protect the metal? Most likely.

I know just enough about chemistry to be dangerous, but I...
Forum: RV Building Tips/Techniques 09-25-2018, 10:58 AM
Replies: 30
Views: 11,537
Posted By rv8ch
simple

Greg, I think you are right. The goal of deburring is to have a very very slightly rounded edge. The radius should be very small, just enough to take the corner off, which reduces the likelihood of...
Forum: RV General Discussion/News 09-24-2018, 09:09 AM
Replies: 68
Views: 7,082
Posted By rv8ch
Roll trim

ATC is going to love the next guy to fly your 8 when he wants a bit of right roll trim :D
Forum: RV-8/8A 09-24-2018, 12:41 AM
Replies: 153
Views: 56,475
Posted By rv8ch
Strakes

Just curious - where did you by your strakes?
Forum: RV-8/8A 09-24-2018, 12:39 AM
Replies: 20
Views: 11,063
Posted By rv8ch
Strakes

There is a link above that no longer works - sorry. Here's the current link. I have no idea if the info in there is still valid - it's quite old.

http://www.rv8.ch/cool-stuff-from-oshkosh-2005/
Forum: RV General Discussion/News 09-24-2018, 12:33 AM
Replies: 9
Views: 609
Posted By rv8ch
More is better!

I bought a bunch and installed them in every hole I could find. :eek:

I have extras so I can decouple the fun part of changing them out with the un-fun part of swapping out the little beads.

Mine...
Forum: Glass Cockpit 09-23-2018, 03:18 PM
Replies: 13
Views: 1,094
Posted By rv8ch
GRT EFIS controlling radio and transponder - useful?

Just curious, is it worth it or useful to have my EFIS control my transponder or radio? I'm sure that there is some value, but having not experienced this first hand, I'd appreciate any feedback...
Forum: Safety 09-16-2018, 04:29 PM
Replies: 69
Views: 18,527
Posted By rv8ch
standalone box

Hi Mike, thanks for the update. The standalone box looks great - I assume it will take the two pressures on an "AOA" pitot tube like the Garmin GAP-26, power, and output the ONSPEED tone?

Any...
Forum: Traditional Aircraft Engines 09-16-2018, 04:11 PM
Replies: 12
Views: 2,123
Posted By rv8ch
mogas

Thanks Pete - I assume you are running auto plugs?
Forum: Traditional Aircraft Engines 09-16-2018, 02:05 AM
Replies: 12
Views: 2,123
Posted By rv8ch
Excellent!

Pete, those look amazing. What oil/fuel/additives do you run? LOP? Ignition?
Forum: RV General Discussion/News 09-15-2018, 01:41 AM
Replies: 37
Views: 9,834
Posted By rv8ch
conditions matter

I guess it would depend a lot on the conditions. I recall the Ethiopian Air crash video where it looks like the pilot put a wingtip in to dissipate energy and while many survived, it was not as...
Forum: Electrical Systems 09-13-2018, 02:51 PM
Replies: 20
Views: 1,201
Posted By rv8ch
switch rating

If you only have avionics on the bus, then one of the standard switches will handle that light load. Bob does not recommend an avionics bus, since then you'll never turn off the avionics, and...
Forum: RV General Discussion/News 09-13-2018, 02:29 PM
Replies: 37
Views: 9,834
Posted By rv8ch
Canopy jamming after accident

Ciao Luigi, I've read that some recommend keeping the canopy closed during an off-field landing for exactly the reasons you mentioned - it will slide shut quickly, and possibly jam. Really glad...
Forum: RV-8/8A 09-13-2018, 12:28 AM
Replies: 2
Views: 1,313
Posted By rv8ch
right place!

Hi Bill, welcome to VAF - you came to the right place! Good luck with the project - ask any questions you have and the good folks here will try to help.
Forum: GPS 09-12-2018, 06:27 AM
Replies: 11
Views: 1,088
Posted By rv8ch
If it were, it would not be the GPS "system" but...

If it were, it would not be the GPS "system" but the chip on the device you are using. The satellites only broadcast data - how it's interpreted is up to the particular GPS chip in your device....
Forum: Glass Cockpit 09-12-2018, 12:32 AM
Replies: 23
Views: 2,638
Posted By rv8ch
bugs

Agreed, manufacturer diversity can be good. My backups are those old round black things that only need pitot and static and no electricity. All software has bugs, they sometimes rear their ugly...
Forum: RV General Discussion/News 09-10-2018, 04:05 PM
Replies: 68
Views: 7,082
Posted By rv8ch
Flaps on the stick

For those of you who have flaps on the stick, seems like it would be easy to accidentally drop the flaps in cruise - did this ever happen to you?
Forum: RV General Discussion/News 09-07-2018, 09:46 AM
Replies: 47
Views: 3,027
Posted By rv8ch
is the red cube sensitive to vibration?

Is vibration a consideration for the electronics or the spinning rotor?
Forum: RV General Discussion/News 08-26-2018, 03:37 PM
Replies: 11
Views: 1,259
Posted By rv8ch
rudder smoothness

It has been a while since I tested my rudder, but I don't recall anything like that - I'd follow the cables and make sure that there is nothing wrong. There was a recent post about someone that had...
Forum: Safety 08-26-2018, 03:32 PM
Replies: 32
Views: 3,993
Posted By rv8ch
Good advice here

Joe's right - there is risk. But you can mitigate the major risks with just a bit of effort. Big three are fuel, weather, and loss of control (stall/spin/crash/burn/die). Avoiding these big three...
Showing results 1 to 62 of 500

 
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