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Search: Posts Made By: humptybump
Forum: RV-8/8A 04-19-2019, 06:33 PM
Replies: 30
Views: 1,176
Posted By humptybump
I understand Bruce’s RV-8 has brake pedals for...

I understand Bruce’s RV-8 has brake pedals for the pilot in back. This makes it much more suitable for transition training than most other RV-8’s.

Ive only ever heard good experiences from those...
Forum: RV-8/8A 04-16-2019, 09:51 AM
Replies: 14
Views: 2,394
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: 11,390
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-8/8A 04-11-2019, 04:38 PM
Replies: 6
Views: 355
Posted By humptybump
When I was flying “another type of airplane” I...

When I was flying “another type of airplane” I had a National Seat Pack 425. It was available with 1” of - what they called - astronaut foam - above the pack that you sat on. They also offered...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 04-08-2019, 08:50 PM
Replies: 7
Views: 573
Posted By humptybump
Funny thing is that you just described AirPRS. It...

Funny thing is that you just described AirPRS. It was only for APRS equipped aircraft (as it did all you described in the cloud). Sadly it was so under utilized it’s been shut down.
Forum: VAF Classifieds (posts in here deleted after 30 days) 04-08-2019, 06:06 AM
Replies: 1
Views: 209
Posted By humptybump
sent you an email

sent you an email
Forum: RV General Discussion/News 03-28-2019, 10:29 AM
Replies: 2
Views: 479
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: VAF Classifieds (posts in here deleted after 30 days) 03-26-2019, 04:12 PM
Replies: 1
Views: 153
Posted By humptybump
PM sent. (I ordered one and didn’t use it)

PM sent. (I ordered one and didn’t use it)
Forum: Glass Cockpit 03-26-2019, 12:55 PM
Replies: 17
Views: 1,685
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: 1,685
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: 853
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 03-13-2019, 04:01 AM
Replies: 21
Views: 1,548
Posted By humptybump
I’ve been teaching myself KiCAD (using online...

I’ve been teaching myself KiCAD (using online tutorials, YouTube videos, etc.)

I is not for the casual aquaitance but it is not difficult to learn or use.

Disclaimer: I’m learning it for PCB...
Forum: Electrical Systems 03-12-2019, 04:22 AM
Replies: 0
Views: 598
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: 15,579
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: 57,599
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: 808
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: 4,337
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: 1,882
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: 799
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: 553
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: 553
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: 1,703
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: 2,620
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: 934
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: 42,152
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: 922
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: 2,668
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: 2,657
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: 2,668
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: 2,299
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: 9,112
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: 1,543
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: 931
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: 924
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: 2,394
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: 2,394
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: 20
Views: 1,740
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: 20
Views: 1,740
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: 20
Views: 1,740
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: 20
Views: 1,740
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: 20
Views: 1,740
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: 20
Views: 1,740
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: 1,858
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: 1,940
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: 2,786
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: 3,965
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: 2,055
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: 2,229
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: 2,611
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: 1,307
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: 4,862
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: 1,358
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: 2,394
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: 2,394
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: 2,394
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: 2,394
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: 2,394
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: 2,394
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: 6,813
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: 901
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: 1,752
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: 518
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...
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