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Search: Posts Made By: humptybump
Forum: RV-9/9A 12-13-2018, 07:00 PM
Replies: 7
Views: 378
Posted By humptybump
If the lower exit for the RV-9A on the O320 vs...

If the lower exit for the RV-9A on the O320 vs O360 is anything like the RV-8, then the vertical induction carburetor clearance is the issue.

There are several options such as cutting and lowering...
Forum: RV General Discussion/News 11-25-2018, 05:38 PM
Replies: 32
Views: 6,099
Posted By humptybump
My Shorai was 5yrs old and had suffered a couple...

My Shorai was 5yrs old and had suffered a couple “drains”. External charging got it back but it no longer will hold a charge like it used to.

The Antugravity batteries I’ve investigated have both...
Forum: RV General Discussion/News 11-25-2018, 02:53 PM
Replies: 32
Views: 6,099
Posted By humptybump
I am currently considering options from EarthX...

I am currently considering options from EarthX and Antigravity. It’s not an apples to apples comparison as each haves some advantages. I haven’t made my final decision.
Forum: APRS Tracking 11-23-2018, 06:51 PM
Replies: 61
Views: 36,941
Posted By humptybump
Looks a bit like an old TV opener...

Looks a bit like an old TV opener ...

https://farm8.staticflickr.com/7612/16259437613_99814a774c.jpg
Forum: RV General Discussion/News 11-20-2018, 07:19 AM
Replies: 32
Views: 6,099
Posted By humptybump
Update (another): It would appear my Shorai is...

Update (another):

It would appear my Shorai is now showing its age. I attribute its weakened condition after 5years, to the alternator problems I had a few months back which lead to the battery...
Forum: RV General Discussion/News 10-28-2018, 07:22 AM
Replies: 3
Views: 766
Posted By humptybump
Hi Don, This topic seems to come up every few...

Hi Don,

This topic seems to come up every few years. It’s not always easy to find older stuff on VAF. Here is a link to an old thread describing an RV with 8.50x600 on Matco wheels...
Forum: Midwest 10-26-2018, 04:36 AM
Replies: 24
Views: 2,162
Posted By humptybump
James Bond’s DB-5 only had changing license...

James Bond’s DB-5 only had changing license plates. Pete has changing paint schemes and registrations !
Forum: RV General Discussion/News 10-26-2018, 04:23 AM
Replies: 47
Views: 2,174
Posted By humptybump
An excellent reference is the electrical diagram...

An excellent reference is the electrical diagram IronFlight posted ...

http://www.vansairforce.com/community/showthread.php?t=73527

I used a very similar design for my RV-8 and it has been both...
Forum: Midwest 10-25-2018, 09:03 AM
Replies: 24
Views: 2,162
Posted By humptybump
The new wing loading test procedure?

The new wing loading test procedure?
Forum: Traditional Aircraft Engines 10-22-2018, 03:01 PM
Replies: 15
Views: 2,003
Posted By humptybump
Thanks Sam. You do enjoy a good bowl of pop corn...

Thanks Sam. You do enjoy a good bowl of pop corn :)

To the OP, you are learning as you get involved and read this for and others.

There are two terms to pay attention to - “certified” vs...
Forum: Safety 10-17-2018, 05:22 AM
Replies: 62
Views: 6,158
Posted By humptybump
Flying in various weather conditions is a great...

Flying in various weather conditions is a great training opportunity.

All the improved tools and fancy panel capabilities are helpful. However, I found I made the most progress on my flying by...
Forum: RV Photo/Video URLs 10-17-2018, 04:59 AM
Replies: 4
Views: 1,378
Posted By humptybump
There is a good thread on VAF discussing the...

There is a good thread on VAF discussing the impact of cameras mounted to the wing ...

http://www.vansairforce.com/community/showthread.php?p=888927
Forum: RV General Discussion/News 10-10-2018, 10:13 AM
Replies: 8
Views: 796
Posted By humptybump
Ernie - Thanks to adding those photos! I remember...

Ernie - Thanks to adding those photos! I remember using that first on our the RV-1.org restoration update. A great addition!
Forum: GPS 10-09-2018, 08:10 AM
Replies: 8
Views: 781
Posted By humptybump
synchronous timing. I just went thru this this...

synchronous timing. I just went thru this this morning and discovered the "solution" that Brantel mentioned. ouch.

FYI: I received an email from G3Xpert and they are aware of the complexity. They...
Forum: RV-8/8A 10-06-2018, 04:00 PM
Replies: 13
Views: 1,860
Posted By humptybump
Thanks Tom for both the words of encouragement...

Thanks Tom for both the words of encouragement and the top shelf products. The hoses are working perfectly!
Forum: RV-8/8A 10-05-2018, 02:51 PM
Replies: 13
Views: 1,860
Posted By humptybump
The engine break-in is done (or nearly so). The...

The engine break-in is done (or nearly so). The last test was a simulated cross country flight of greater than 300 nm to test the air box within a heat soaked engine compartment. Everything checked...
Forum: Traditional Aircraft Engines 09-30-2018, 03:49 PM
Replies: 20
Views: 1,460
Posted By humptybump
Dave, thanks. I have options but not yet a...

Dave, thanks.

I have options but not yet a socket of my own :)

I appreciate the photos. The length is critical so, all things being equal, if the 03771 will fit, I would prefer shorter to longer....
Forum: Traditional Aircraft Engines 09-30-2018, 06:46 AM
Replies: 20
Views: 1,460
Posted By humptybump
Warren - I drive around with an old aircraft...

Warren - I drive around with an old aircraft spark plug in the tray of my truck :eek:

I’ll stop by an ACE and look for that product.


UPDATE: my local ACE hardware doesn’t carry that part.
Forum: Traditional Aircraft Engines 09-29-2018, 08:34 PM
Replies: 20
Views: 1,460
Posted By humptybump
My historical solution is a highly modified deep...

My historical solution is a highly modified deep impact socket (the black ones) but it’s for a 1/2” drive.


Vlad, I tried the same thing and they looked at me like I was holding a spark plug from...
Forum: Traditional Aircraft Engines 09-29-2018, 05:49 PM
Replies: 20
Views: 1,460
Posted By humptybump
Dave & Marvin - thanks for both offers. I’m not...

Dave & Marvin - thanks for both offers.

I’m not in a huge rush. I’m just going thru my post-engine update notes and have a small list of things I will need before my next condition...
Forum: Traditional Aircraft Engines 09-29-2018, 03:08 PM
Replies: 20
Views: 1,460
Posted By humptybump
Dave, I read the reviews on both sockets. Many of...

Dave, I read the reviews on both sockets. Many of the reviews said the 03771 socket wall is pretty thick and had to be machines down. The 01693 socket appears to have thinner walls and reviews...
Forum: Traditional Aircraft Engines 09-29-2018, 02:12 PM
Replies: 20
Views: 1,460
Posted By humptybump
Source for (very) deep spark plug socket?

Looking for a socket which fits tempest spark plugs. These are the plugs with the hex portion right at the transition to the threads. Ideally I’d like a socket which fits a 3/8” drive.

photo of...
Forum: Flight Testing 09-29-2018, 11:10 AM
Replies: 20
Views: 1,502
Posted By humptybump
I had an informative exchange with the late Bob...

I had an informative exchange with the late Bob Axom on the subject of performance testing. I captured his methodology which adjusts for pressure and temperature. Bob tested his race mods at an...
Forum: RV-8/8A 09-29-2018, 06:36 AM
Replies: 16
Views: 1,663
Posted By humptybump
Like Phillip, my RV-8 cowl uses hinge pins along...

Like Phillip, my RV-8 cowl uses hinge pins along the horizontal seam between the top and bottom halves. The builder of my RV-8 used F4U plate fasteners along the aft top curve.
Forum: RV Photo/Video URLs 09-25-2018, 07:07 PM
Replies: 14
Views: 2,394
Posted By humptybump
Nice work Kelly. I concur on the challenge of...

Nice work Kelly. I concur on the challenge of syncing videos.

I did an under-wing video for my grass strip ...

https://vimeo.com/user6503434/53vg-traffic-pattern
Forum: ADS-B 09-19-2018, 11:11 AM
Replies: 26
Views: 3,091
Posted By humptybump
Mike, there is a reddit post which may add to...

Mike, there is a reddit post which may add to your knowledge base ...
https://www.reddit.com/r/stratux/comments/7ls48t/stratux_integration_to_a_grt_mini/?st=JM9CF0QP&sh=3e526731
Forum: Northeast 09-17-2018, 05:16 AM
Replies: 14
Views: 1,553
Posted By humptybump
Given Marvin’s beautiful airplane (and super...

Given Marvin’s beautiful airplane (and super talented first officer) I probably will never get “longest trip” at events ever again.

Looking to next year’s event. The organizers do a fantastic job...
Forum: RV General Discussion/News 08-23-2018, 03:56 PM
Replies: 11
Views: 1,880
Posted By humptybump
That is an accomplishment few on VAF can...

That is an accomplishment few on VAF can match!

Congratulations to Rachel and congratulations to the Eagle’s Nest Program!
Forum: APRS Tracking 08-20-2018, 01:17 PM
Replies: 8
Views: 1,927
Posted By humptybump
Assuming the “green LED” refers to the tracker,...

Assuming the “green LED” refers to the tracker, I’d start right where you already suspected - by test the antenna and output of the tracker.
Forum: Glass Cockpit 08-16-2018, 01:37 PM
Replies: 8
Views: 1,160
Posted By humptybump
Funny you mention that. I had inquired early on...

Funny you mention that. I had inquired early on if the G5 could display EIS data. My thinking was the G5 would be a backup instrument for me and I’d like to give is a purpose for much of its...
Forum: Propellers 08-14-2018, 03:43 PM
Replies: 29
Views: 4,300
Posted By humptybump
When money is not a deciding factor, the look of...

When money is not a deciding factor, the look of a 2-blade vs 3-blade will come down to “what looks right” - for example the paint scheme and airframe appearance. I have a classic Navy scheme on my...
Forum: APRS Tracking 08-09-2018, 06:58 PM
Replies: 2
Views: 798
Posted By humptybump
Steve, From the URL you included, look at...

Steve,

From the URL you included, look at "Position packets heard directly". It show "10" for your currently. If you are in a busy area, this number is low.

As a comparison, you can look at...
Forum: RV-8/8A 08-07-2018, 03:48 PM
Replies: 13
Views: 1,860
Posted By humptybump
BTW: if anyone has specific questions regarding...

BTW: if anyone has specific questions regarding the use of 3D prints as molds for fiberglassing, feel free to reply here or as a PM. I'm sure I didn't include all the details in the blog post.
Forum: RV-8/8A 08-07-2018, 03:43 PM
Replies: 13
Views: 1,860
Posted By humptybump
Mike, there were times when I considered cutting...

Mike, there were times when I considered cutting the pretty painted cowl. There were also times when I considered reinstalling the O-320.

Ultimately, the airbox was the solution as it left the...
Forum: RV-8/8A 08-07-2018, 12:58 PM
Replies: 13
Views: 1,860
Posted By humptybump
I'm still in the engine break-in phase. That...

I'm still in the engine break-in phase. That said, its an RV-8 with a 180hp O-360. It's probably just like all the others. I'm just joining a well populated club. :cool:



Of course, being able to...
Forum: RV-8/8A 08-07-2018, 11:51 AM
Replies: 13
Views: 1,860
Posted By humptybump
Thumbs up Custom O-360 airbox for an O-320 cowl

This is how the "magic" happened ... it's a bit like making sausage.

I've finally sat down and written a blog post that describes how I used a 3D printer to create a mold for a fiberglass and carbon...
Forum: RV-8/8A 08-05-2018, 08:24 PM
Replies: 13
Views: 1,860
Posted By humptybump
Eric, you are fortunate to branch at question #2...

Eric, you are fortunate to branch at question #2 in the flow :rolleyes:
Forum: RV-8/8A 08-04-2018, 04:51 PM
Replies: 13
Views: 1,860
Posted By humptybump
Fitting an O-360 into an RV-8 O-320 cowl

For those who were not aware, Vans Aircraft created a different cowl for the O-360 and the O-320. While there are not many RV-8's with an O-320 there are fewer still with an O-320 and the O-320...
Forum: RV General Discussion/News 08-04-2018, 08:34 AM
Replies: 61
Views: 6,208
Posted By humptybump
for those performing their own refills, is a...

for those performing their own refills, is a single "big bottle" sufficient? I ask because many of the online parts providers push a cascading tank system.
Forum: RV-8/8A 07-28-2018, 05:27 PM
Replies: 6
Views: 801
Posted By humptybump
Ralph, great minds think alike. The builder of my...

Ralph, great minds think alike. The builder of my RV came to the same conclusion.
http://elder.ninja/wp-content/blogs.dir/1/uploads/2018/07/img_1406.jpg
Forum: RV-8/8A 07-23-2018, 03:31 PM
Replies: 6
Views: 1,649
Posted By humptybump
If you want to avoid changing your wheels,...

If you want to avoid changing your wheels, brakes, and axles, then the 380/15's are a good middle ground. They are notably bigger than 500x5 but not as big as 600x6.

One caution, if your wheelpants...
Forum: Mid-Atlantic 07-22-2018, 07:24 AM
Replies: 5
Views: 430
Posted By humptybump
This really sounds like an antenna ground issue....

This really sounds like an antenna ground issue. I realize you said you've ruled it out.

My "go to" solution for these types of problems is to find a local HAM radio operator with a transmitter...
Forum: GPS 07-17-2018, 12:27 PM
Replies: 6
Views: 1,265
Posted By humptybump
The iPad Air 2 has the anti reflective coating. I...

The iPad Air 2 has the anti reflective coating. I still ended up adding an anti reflective screen protector.
Forum: RV General Discussion/News 07-15-2018, 01:43 PM
Replies: 32
Views: 2,661
Posted By humptybump
Tom, it's refreshing to hear the positive tone in...

Tom, it's refreshing to hear the positive tone in your update. I know it's been a long 2018 so far.

I would also like to say "thank you". As one of those customers who called on your services in the...
Forum: RV-8/8A 07-11-2018, 06:58 AM
Replies: 6
Views: 1,571
Posted By humptybump
Engine upgrade - paperwork

I'm writing a series of blog post detailing an engine upgrade on my RV-8. The posts are not in any particular order.

This post highlights the importance of words - specifically the difference...
Forum: APRS Tracking 07-10-2018, 06:48 PM
Replies: 15
Views: 1,996
Posted By humptybump
Gary, there is definitely something messy within...

Gary, there is definitely something messy within the beacons.

https://aprs.fi/?c=raw&call=N157GS&limit=50&view=decoded

The above link shows the decoded details of your packets and the "course" is...
Forum: APRS Tracking 07-10-2018, 07:32 AM
Replies: 15
Views: 1,996
Posted By humptybump
When I look at other trackers on the same system...

When I look at other trackers on the same system I do not see the odd heading anomalies.

One reliable diagnostic is to decode the raw beacons.

One example:...
Forum: APRS Tracking 07-09-2018, 12:01 PM
Replies: 15
Views: 1,996
Posted By humptybump
That is correct Sam. Do you know of a website...

That is correct Sam. Do you know of a website that shows "heading to igate"? I've not come across any.
Forum: APRS Tracking 07-09-2018, 05:12 AM
Replies: 15
Views: 1,996
Posted By humptybump
Yeah, my post turned into one home run-on pil of...

Yeah, my post turned into one home run-on pil of confusion.

The point wanted to make some clarification of the APRS system:

Just because a tracker sends a beacon, doesn't mean it will make it to...
Forum: APRS Tracking 07-08-2018, 05:19 PM
Replies: 15
Views: 1,996
Posted By humptybump
Just s teachable moment: The beacon contains the...

Just s teachable moment:

The beacon contains the data, including latitude, longitude, altitude, speed, and heading. All of that is computed from the GPS data.

The beacon is received by zero or...
Forum: RV General Discussion/News 06-18-2018, 01:14 PM
Replies: 32
Views: 6,099
Posted By humptybump
I just did a test who's results may interest...

I just did a test who's results may interest others.

I still have the same batteries I commented on five years ago.

Today was "first engine start" on a project I've dragged out for 10 months. At...
Forum: RV-8/8A 06-15-2018, 09:07 AM
Replies: 15
Views: 3,067
Posted By humptybump
I have a little experience, having flown an RV-8...

I have a little experience, having flown an RV-8 with an O-320 (150hp) and a fixed pitch cruise propeller for about 450hrs.


It performs "well enough" even off grass as long as the DA is not above...
Forum: Propellers 05-25-2018, 04:22 PM
Replies: 15
Views: 2,254
Posted By humptybump
Thank Smokey. While Saber can make both spacers...

Thank Smokey.

While Saber can make both spacers and extensions, the recommendation now from Vans, Catto, and Saber is to use an extension if its an option.

As for the long bolts, Vans and Saber...
Forum: RV-8/8A 05-24-2018, 06:10 PM
Replies: 22
Views: 2,303
Posted By humptybump
I had time in a super decathlon prior to taking...

I had time in a super decathlon prior to taking transition training. The RV transition training was definitely different and definitely valuable.
Forum: Propellers 05-22-2018, 01:11 PM
Replies: 15
Views: 2,254
Posted By humptybump
Update

Those long propeller bolts needed when using a 2.25" spacer are getting rare. I just received an email from Vans Aircraft - after attempting to order a replacement / that they no longer have the...
Forum: RV General Discussion/News 05-18-2018, 07:51 AM
Replies: 17
Views: 1,367
Posted By humptybump
Generators and typical UPS do not play well

(Indeed my post is not RV related and I won't be offended if it is removed)

Most typical UPS are not compatible with generators. If you plan to use a UPS off of a generator you may consider what is...
Forum: ADS-B 05-03-2018, 11:42 AM
Replies: 23
Views: 4,097
Posted By humptybump
As more and more airplanes install ADSB, the...

As more and more airplanes install ADSB, the benefits of APRS decrease. I have both but probably not for much longer.
Forum: Glass Cockpit 04-25-2018, 04:09 PM
Replies: 37
Views: 5,128
Posted By humptybump
"System Architecture" and Why When I first...

"System Architecture" and Why

When I first installed the G3X Touch and related components there seemed to be little rhyme or reason for what was used CAN be what used RS-232 (not to mention what...
Forum: RV General Discussion/News 04-23-2018, 10:28 AM
Replies: 10
Views: 1,161
Posted By humptybump
Thread on hand controls in an RV-12...

Thread on hand controls in an RV-12 ...

http://www.vansairforce.com/community/showthread.php?t=146118
Forum: Traditional Aircraft Engines 04-12-2018, 05:55 AM
Replies: 12
Views: 1,583
Posted By humptybump
Fuel pressure drop with fuel flow rise

I've seen my fuel pressure drop and fuel flow climb (signifantly). I see this when I'm running a tank to empty. In my airplane it indicates I'm getting air in my fuel.
Forum: COMM 04-04-2018, 04:51 PM
Replies: 13
Views: 1,412
Posted By humptybump
The most important factor is performance. That...

The most important factor is performance. That said, budget is also a reality for most builders.

My RV-8 came equipped with a "straight" whip on the belly. That doesn't jibe with what most install....
Forum: RV General Discussion/News 03-19-2018, 07:47 PM
Replies: 13
Views: 1,260
Posted By humptybump
The builder of my RV-8 installed VGs, tested, and...

The builder of my RV-8 installed VGs, tested, and decided to remove them. He then installed the wing root strakes (which are still installed).
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