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Search: Posts Made By: humptybump
Forum: RV General Discussion/News 06-18-2019, 04:51 PM
Replies: 4
Views: 216
Posted By humptybump
Ernie, there is a gold star in the skies just for...

Ernie, there is a gold star in the skies just for you! Amazing work by the Eagles Nest organization, the mentors, and most of all, the students!
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-15-2019, 05:31 AM
Replies: 3
Views: 397
Posted By humptybump
Hi Bill. I have a set of 8.

Hi Bill. I have a set of 8.
Forum: Electrical Systems 06-10-2019, 04:03 PM
Replies: 15
Views: 1,209
Posted By humptybump
An alternative is to move the PTT for the...

An alternative is to move the PTT for the passenger to the panel (or side panel).

I often pull the rear stick in my RV-8 and decided to eliminate the wires all together. The PTT is now next to where...
Forum: Acts of Charity (using your RV) 06-06-2019, 03:48 AM
Replies: 11
Views: 1,447
Posted By humptybump
It’s surprising how quickly a pollen flare-up can...

It’s surprising how quickly a pollen flare-up can occur.
Forum: RV-8/8A 04-16-2019, 09:51 AM
Replies: 14
Views: 2,890
Posted By humptybump
Update: inspection of the fiberglass & carbon...

Update: inspection of the fiberglass & carbon fiber airbox at [a little less than] 50 hrs and it looks just like it did before first flight.

While I don’t have numbers for air throughput, the O360...
Forum: RV-8/8A 04-14-2019, 02:30 PM
Replies: 21
Views: 12,012
Posted By humptybump
That image looks familiar. My RV-8 has long legs...

That image looks familiar. My RV-8 has long legs now too ...

http://elder.ninja/wp-content/uploads/2014/05/RV-8_AUX_range.jpg

The green circle is for no-refuel round-trip flights and the yellow...
Forum: RV General Discussion/News 03-28-2019, 10:29 AM
Replies: 2
Views: 570
Posted By humptybump
Similar approach to Paul when it came to the...

Similar approach to Paul when it came to the design for my RV-8. I used the 3-view from Vans and then used my choice of photo editor / paint programs. (in my case it was...
Forum: Glass Cockpit 03-26-2019, 12:55 PM
Replies: 17
Views: 2,228
Posted By humptybump
Thanks. I am not planning to add the BT...

Thanks. I am not planning to add the BT connection.


TBH, what I need are bigger winds aloft flags :cool:
Forum: Glass Cockpit 03-26-2019, 12:44 PM
Replies: 17
Views: 2,228
Posted By humptybump
My original GDL-39 is connected via serial...

My original GDL-39 is connected via serial data.

I don't recall ow many concurrent Bluetooth connections the original GDL-39 supports ans I assume making this change will reduce that by one? How...
Forum: Northeast 03-21-2019, 10:07 AM
Replies: 11
Views: 1,124
Posted By humptybump
Paul welcome aboard :D I don’t know if there are...

Paul welcome aboard :D

I don’t know if there are any current builders but there are a few active RV fliers at 7B3 (Hampton Airfield, Hampton NH).

It also has a great diner on the field!
Forum: Electrical Systems 03-12-2019, 04:22 AM
Replies: 0
Views: 643
Posted By humptybump
Tip: crimp tiny connectors without frustration

I would have thought I had posted this before but ...

Big heavy crimps and tiny little connectors are a recipe for frustration. The challenge? How to you place the tiny connector into the crimp...
Forum: RV-7/7A 03-11-2019, 02:55 AM
Replies: 56
Views: 17,072
Posted By humptybump
If foam sculpting isn’t your forte and you have...

If foam sculpting isn’t your forte and you have CAD skills and a 3D printer (or access to them) it’s possible to 3D print the “plugs” with PLA. After fiberglassing, you warm the the part in the oven...
Forum: Northeast 03-11-2019, 02:48 AM
Replies: 144
Views: 59,411
Posted By humptybump
2019 was one of the longest seasons. It had some...

2019 was one of the longest seasons. It had some fits and starts with storms but Paul and the crew did an amazing job as always!
Forum: RV General Discussion/News 02-28-2019, 04:14 PM
Replies: 12
Views: 875
Posted By humptybump
The problem I’m seeing is “fading”. With the...

The problem I’m seeing is “fading”. With the printed document in a clear pouch and “in view” it is also in the sunlight.

Are others noticing fading?
Forum: Propellers 02-22-2019, 04:34 PM
Replies: 17
Views: 4,449
Posted By humptybump
The Catto spinner is amazing. My RV-8 has one on...

The Catto spinner is amazing. My RV-8 has one on its nose. I’m still on the fence about painting mine. I’ll likely do so but it’s definitely not my top priority.




Vlad - I put too much work into...
Forum: Traditional Aircraft Engines 02-18-2019, 05:44 PM
Replies: 11
Views: 2,128
Posted By humptybump
From an uneducated, what are the benefits of...

From an uneducated, what are the benefits of Kevlar vs fiberglass? and to add to the mix, where does carbon fiber fit (or not) in this specific discussion?

Thanks.
Forum: RV-8/8A 02-13-2019, 03:00 PM
Replies: 3
Views: 879
Posted By humptybump
There are examples of retrofitting the AOA pitot...

There are examples of retrofitting the AOA pitot tube using the “mast” such as from Gretz and others.

Most examples either install the mast into the outboard inspection panel (just outside the...
Forum: Tools 02-10-2019, 02:15 PM
Replies: 8
Views: 588
Posted By humptybump
Just checked mine and the seat top is at 17”...

Just checked mine and the seat top is at 17” (unmodified). The pneumatic adjustment is still intact. It will go up/down from its current height.

The cheap Kobaullt with the tray looks like a...
Forum: Tools 02-10-2019, 12:15 PM
Replies: 8
Views: 588
Posted By humptybump
I picked up a nice pneumatic lift office chair...

I picked up a nice pneumatic lift office chair from a used office furniture store for “cheap” and made a padded round seat in place of the chair.
Forum: RV General Discussion/News 01-23-2019, 02:47 PM
Replies: 16
Views: 1,798
Posted By humptybump
Marvin, If you subscribe to Kitplanes (or have...

Marvin,


If you subscribe to Kitplanes (or have a friend who does), there is an article in the January 2019 edition on an aux tank project. It goes in rear seat area which only works when you fly...
Forum: RV General Discussion/News 12-24-2018, 08:07 AM
Replies: 25
Views: 2,911
Posted By humptybump
If it’s in your price range, you could buy a...

If it’s in your price range, you could buy a complete Stratux unit with GPS +AHRS and use its internal logging feature to capture everything. (A complete Stratux is under $250...
Forum: RV-9/9A 12-13-2018, 06:00 PM
Replies: 7
Views: 1,040
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: APRS Tracking 11-23-2018, 05:51 PM
Replies: 63
Views: 44,326
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 10-28-2018, 06:22 AM
Replies: 3
Views: 980
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, 03:36 AM
Replies: 24
Views: 2,865
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, 03:23 AM
Replies: 47
Views: 2,821
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, 08:03 AM
Replies: 24
Views: 2,865
Posted By humptybump
The new wing loading test procedure?

The new wing loading test procedure?
Forum: Traditional Aircraft Engines 10-22-2018, 02:01 PM
Replies: 15
Views: 2,383
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, 04:22 AM
Replies: 66
Views: 9,682
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, 03:59 AM
Replies: 4
Views: 1,618
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, 09:13 AM
Replies: 8
Views: 968
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, 07:10 AM
Replies: 8
Views: 971
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, 03:00 PM
Replies: 14
Views: 2,890
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, 01:51 PM
Replies: 14
Views: 2,890
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, 02:49 PM
Replies: 21
Views: 2,305
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, 05:46 AM
Replies: 21
Views: 2,305
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, 07:34 PM
Replies: 21
Views: 2,305
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, 04:49 PM
Replies: 21
Views: 2,305
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, 02:08 PM
Replies: 21
Views: 2,305
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, 01:12 PM
Replies: 21
Views: 2,305
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, 10:10 AM
Replies: 20
Views: 1,959
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, 05:36 AM
Replies: 16
Views: 2,031
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, 06:07 PM
Replies: 14
Views: 2,953
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, 10:11 AM
Replies: 26
Views: 4,163
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, 04:16 AM
Replies: 14
Views: 2,210
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, 02:56 PM
Replies: 11
Views: 2,363
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, 12:17 PM
Replies: 8
Views: 2,911
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, 12:37 PM
Replies: 8
Views: 1,364
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, 02:43 PM
Replies: 29
Views: 5,081
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, 05:58 PM
Replies: 2
Views: 1,602
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, 02:48 PM
Replies: 14
Views: 2,890
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, 02:43 PM
Replies: 14
Views: 2,890
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, 11:58 AM
Replies: 14
Views: 2,890
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, 10:51 AM
Replies: 14
Views: 2,890
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, 07:24 PM
Replies: 14
Views: 2,890
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, 03:51 PM
Replies: 14
Views: 2,890
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, 07:34 AM
Replies: 61
Views: 7,069
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, 04:27 PM
Replies: 6
Views: 946
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, 02:31 PM
Replies: 6
Views: 1,814
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, 06:24 AM
Replies: 5
Views: 548
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, 11:27 AM
Replies: 6
Views: 1,454
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, 12:43 PM
Replies: 32
Views: 3,264
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...
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