charlie rosenzweig
  • Male
  • Longview, WA
  • United States
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Charlie rosenzweig's Friends

  • Jonathan Fay
  • Fred Williams
  • Terrence "Dr. Terry" Hall
  • Matthew Walsh
  • Chris Boultinghouse
  • Michael W Mallock
  • Buddy Rose
  • William C Cooper II
  • John M Greiner
  • Mike DiPetrillo
  • Kyle D. Voltz
  • Randy & Theresa Cechini
  • Jean-Paul Chevalier
  • Mark Warner
  • David Muse

charlie rosenzweig's Discussions

Fuel Design: Risk of sucking air from one tank while in a steep turn

Started this discussion. Last reply by Don Morrisey Sep 30. 22 Replies

There are several solutions to prevent a fuel system from sucking air from a fuel tank while in a steep turn when the fuel level is low.   This has been a hot debate on other forums.I am curious to…Continue

Tags: porting, fuel, design, Fuel

using leaded fuel with O2 sensor

Started this discussion. Last reply by charlie rosenzweig May 30. 1 Reply

While this is not necessarily unique to Viking engines I thought it would be as good a place as any of the forums to ask the following questions.Since most newer automotive engine systems use O2…Continue

Tags: 02

Why is the rubber disc cut?

Started this discussion. Last reply by charlie rosenzweig Feb 8. 15 Replies

Jan,I often get questions about why the rubber disc is cut, and I suspect other builders do as well.  Most question why anyone would cut up a disc that was not designed to be cut up.   Seems like a…Continue

Insurance - Do you have it? What engine?

Started this discussion. Last reply by Charles Clayton May 30, 2018. 9 Replies

As a "hopeful" builder, I am curious if any Zenith builders have purchased insurance and if so, if you would be willing to share what is covered, and who you purchased the plan with and ideally, how…Continue

 

charlie rosenzweig's Page

Latest Activity

charlie rosenzweig posted a discussion

Fuel Design: Risk of sucking air from one tank while in a steep turn

There are several solutions to prevent a fuel system from sucking air from a fuel tank while in a steep turn when the fuel level is low.   This has been a hot debate on other forums.I am curious to hear from folks who are actually flying their planes on which design you use to address this risk.  1) Header tanks?2) Check valves?3) Limit fuel selector valve to only use R or L tank but not both?4) None, I use "both" on my selector valve and do not have a header tank and have not had any…See More
Sep 26
Richard Jones left a comment for charlie rosenzweig
"i will gladly share my experiences of my CH-601 with the Corvair engine and the Viking 130 engine with a Whirlwind prop Dick Jones rljones601@yahoo.com"
Jun 22
charlie rosenzweig posted a discussion

using leaded fuel with O2 sensor

While this is not necessarily unique to Viking engines I thought it would be as good a place as any of the forums to ask the following questions.Since most newer automotive engine systems use O2 sensors and knowing that leaded fuel fouls O2 sensors, (given that we will occasionally have to use leaded fuel) I would be curious to know:1) How long (hours) before the O2 sensor goes bad?2) What are the signs that the sensor is going bad?3) Is you experience based on the narrow band sensor or the…See More
May 28

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Profile Information

Aircraft Model
STOL CH 701, STOL CH 750, CH 750 Cruzer
Project Status
Nearly done
Building From
Kit
Engine installed (or plan to install)
Other
Building Experience
Have worked on airplanes before
Flying Experience
Private Pilot
Building and Flying Info / Your Profession / Other Background Info
building RV6a with a Honda Civic 1.8L engine I installed myself. 90% finished.
Home Airport (ie. KMYJ)
KKLS

Comment Wall (14 comments)

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At 8:28am on June 22, 2019, Richard Jones said…

i will gladly share my experiences of my CH-601 with the Corvair engine and the Viking 130 engine with a Whirlwind prop

Dick Jones

rljones601@yahoo.com

At 2:41pm on November 7, 2018, Patrick Hoyt said…

About 25 hours on the Viking 130 engine at this time.

At 1:27pm on November 7, 2018, William C Cooper II said…
Charlie, got your note. PM me and I will try to answer your questions about the cooling system
At 2:27am on April 15, 2017, Terrence "Dr. Terry" Hall said…

I appreciate your comment, I attempt to document this unique experience as a novice builder and I continually learn from my mistakes and from others. I have only been at it since first Zenith class in 10/16. But it truly is educational, recreational and of course humbling. My EAA tech advisor told me that at least it keeps him out of the tavern. 

Terry Hall

At 8:37am on March 27, 2017, Kyle D. Voltz said…

Charlie, I accidentally clicked the ignore button on your message. I think I added you now though.  

Anyways, I helped with the 750 STOL build but not the Cruzer so I dont think I can weigh in on that part!  Feel free to email me at kvoltz@eaa.org

At 4:25am on February 15, 2017, Wayne Clagg said…

It wasn't bad, I filled out the appropriate paperwork and submitted it and it went pretty smooth from there. They look at the coordinates and verify that it wont be a navigation hazard to other airports and such. The only issue I did have was with the lady who made the initial contact via phone, she obviously didn't want to deal with it. I used the garmin in the plane for the lat long coordinates and she was pretty rude about that, wasn't acceptable to her and pretty much called me a dumbass. She changed the numbers to what she said they should be, rounded them off, and now the field shows up across the river a few hundred yards away but its no big deal. I still have the forms and paperwork so when you get ready I'll dig them out so you'll know what you need. 

At 6:32am on February 14, 2017, Wayne Clagg said…

give me a shout if I can be of any help. Stop by and visit sometime if you're ever in the area. 12WV is the identifier at my farm fieled.

At 7:48am on January 23, 2017, Conrad Watters said…
Thanks Charlie, it was a great trip through the mountains to the west coast. I am planning a longer trip for this spring...from Ottawa, across to Calgary then up to the Yukon. ( about 8000 miles). The ch 750 is a great aircraft for its mission but certainly 'takes its time' for longer adventures. Conrad
At 2:48pm on January 22, 2017, Conrad Watters said…
Charlie, re warp drive prop.
It has been up to expectation. I am using it with a Rotax 912. I had it tested for balance and found it to be too exact to warrant adjusting. The nickle leading edge is good. It is ground adjustable.
I have never had any problems with it.
At 5:46am on January 17, 2017, Michael W Mallock said…

Hello Charlie; i put a deposit down last year during Sun n Fun prior to the engines being ready, since then my work has been crazy busy so i have been pushing the delivery date back. I hope to have the airframe ready for engine mount by mid summer.

as for availability, Samantha at Viking has kept me updated on the progress, i think the only thing missing is a propeller to handle the 200 hp, and Jan is testing a different  brand as we speak!

 
 
 

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