Dan Dempsey
  • Wingina, VA
  • United States
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Dan Dempsey's Discussions

Engine Test Stand

Started this discussion. Last reply by Dan Dempsey Jun 7, 2022. 1 Reply

Air filter box location

Started this discussion. Last reply by Bob Simmons Apr 5, 2022. 3 Replies


Dan Dempsey's Page

Latest Activity

Dan Dempsey posted discussions
Jun 7, 2022
Dan Dempsey posted a discussion

Air filter box location

I'm installing a Zenith FWF kit for my Jabiru.  I'm trying to figure out the best location and orientation for the air filter box.  Could someone share some photos?  It's for a 601XL.See More
Apr 4, 2022
Dan Dempsey posted a photo


In this picture you might see a few of the hazards I managed to avoid in my forced landing. The fence, power lines, cows, trees etc.
Aug 13, 2021
Dan Dempsey posted photos
Aug 8, 2021

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Computer Programmer (retired)
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Dan Dempsey's Blog

Slack Rudder Cables

Posted on November 17, 2013 at 11:01am 5 Comments

When I adjusted the rudder cable tension the wings weren't on the plane yet and the nose gear was near the bottom of it's travel.  I had 25 pounds, both right and left.  But after the wings were on, the nose of the plane was several inches lower.  Since the firewall slants back this has the effect of loosening the rudder cables.  They are totally slack now!

Here's my question.  If I tension cables now the tension my be right on the ground, but the tension will increase drastically…


Tuesday Night Chat

Posted on October 26, 2013 at 6:30pm 2 Comments

Well Monday night chats have thus far been a bust.  Let's try Tuesday night and see if we get more takers.  Come tell us about your project.  Ask questions.  Look for some encouragement, or just shoot the breeze.   We'll start at 8 PM Eastern.


Monday Night Chat

Posted on October 20, 2013 at 7:27pm 0 Comments

Tomorrow night. 8PM Eastern, join us for Zenith builders and fliers chat.


Weekly Chat

Posted on October 9, 2013 at 6:30pm 3 Comments

A few years ago we had an active weekly chat that at somepoint went silent.  I'd like to see it revived, this time using this sites built in chat room.  We use to do it on Monday evenings.  I'd love to see this get going again. Any opinions?

Brake Fluid Selection

Posted on February 2, 2013 at 5:44pm 6 Comments

I've finally finished running the brake lines and would like to know what type of brake fluid to use.  I'm using Matco brake cylinders and matco disk brakes.

I like the idea of non-hydroscopic.. Is that what they mean by DOT 5?

Comment Wall (22 comments)

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At 10:15am on April 25, 2015, Patrick Hoyt said…
KLVN is at 960 feet, but density altitudes are often negative here, especially in winter. I've flown in DA's of minus 4,500 feet before. The plane is off the ground before the numbers on the runway in those conditions. Highest DA that I've seen was maybe 3,000 feet. Any time the DA is over 2,000 feet, the AWOS says it. I don't know what it would be like at someplace like Denver, where you're already a mile up just standing on the ground.
At 7:57pm on April 24, 2015, Patrick Hoyt said…
Yeah, I'm running an MA3-SPA. Never had to adjust it or anything. Just bolted it on, and am at 150 hours on it. I'm tempted to take it apart and "clean" it or something, but have resisted that so far....
At 9:38pm on July 8, 2014, Juan vega said…
What ever happened to that young girl that supposedly went to MIT, she must be graduated by now. Did her plane ever fly?
At 9:34pm on July 8, 2014, Juan vega said…
Still using it for commuter purposes. Like a flying miata.
At 9:33pm on July 8, 2014, Juan vega said…
Plane has 400 hrs, need to change oil, plugs and one ignition coil, other than that running good.
At 4:48pm on June 7, 2014, Wayne Huk said…

Dan- very nice looking plane - congratulations on a big project well done.


Wayne Huk

At 9:32pm on November 7, 2012, Steven Winn said…


Thanks for the kind words about my project. I looked at your build site...WOW. What an odyssey scratch building is.

I especially liked your vacuum cleaner/suction bending technique. Slick

What type of cutting tip do you use in your hole cutter?

Steven Winn

At 9:00am on August 27, 2012, Patrick Hoyt said…

Multiple "Serial Number 001's" for Corvairs out there....?   Interesting point.  I bet there's already 001's out there.  Doubt if it matters, but case code might be a good idea just in case (no pun intended).

At 6:07am on August 27, 2012, Garry Williams said…

Hey Dan, I have taken off the last few months as I am trying to finish my bathroom addition to my garage before the fall of this year. I am almost there, and can get back into building. My shop is separate from the house, and needed a bathroom in my shop, so I decided to build it myself. Drywall, Siding and one more inspection and I should be done. BTW your project is really moving forward. You are doing great work and excellent progress! ~G

At 8:41pm on August 23, 2012, Patrick Hoyt said…

Hi Dan!  For "Engine Manufacturer, Model, and Serial Number" I put:  "Chevrolet, Corvair, 001".

One thing that stung me is that I just found out this week (from my DAR) that the local MIDO office "uses their own forms".  I'd bought the green packet from the EAA, and thought I was ahead of the game.  Now I have to fill out "their forms" instead.  So I'm waiting to get them.  Dealing with low-level government clerks is beyond frustrating. 


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