Bob McDonald
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Bob McDonald's Discussions

Zenith Forced Landing B.C.

Started this discussion. Last reply by Joe Harrington Mar 24, 2016. 5 Replies

Looking For CH750 Builders Near Cold Lake, Alberta

Started this discussion. Last reply by Michael W Mallock Jun 24, 2016. 4 Replies

Rotax 912 Fuel Pump - Safety Alert

Started this discussion. Last reply by Bob McDonald May 22, 2010. 3 Replies


Bob McDonald's Page

Latest Activity

Bob McDonald posted a blog post

How To Lift CH601HD To Change Main Gear Bungee

Bungee have a 5 years replacement life cycle based on the color code on the bungee. The CH601HD has a nose gear bungee, and 2 bungee / main gear. All bungee 1080HD. Other builders have asked me how I replace main gear bungee. Pictures are worth a thousand words... and I hate typing.…See More
Nov 11, 2019

Profile Information

Aircraft Model
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Building Experience
Have worked on airplanes before
Flying Experience
Private Pilot
Building and Flying Info / Your Profession / Other Background Info
Co-pilot / Camera Operator Capital Air Surveys, Chemical Operator Bruce Heavy Water Plant,
Electrical Power System Operator Ontario Hydro,
Hydro-Electric Operating Technician Ontario Power Generation... getting ready to retire.
Private Pilot since 1975, used to own 1963 C172, flying a 2000 Challenger AULA, also a 1/2 ownership Rotax 912 CH601HD that is flying.
Ordered a CH750 from Can-Zac. Start building December 2009. Built as AULA with Rotax 912S engine. CH750 finished March 2010.

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Bob McDonald's Blog

How To Lift CH601HD To Change Main Gear Bungee

Posted on November 11, 2019 at 9:34pm 1 Comment

Bungee have a 5 years replacement life cycle based on the color code on the bungee. The CH601HD has a nose gear bungee, and 2 bungee / main gear. All bungee 1080HD. Other builders have asked me how I replace main gear bungee. Pictures are worth a thousand words... and I hate typing.…


Old Style Trigear Amphib Floats

Posted on March 4, 2016 at 10:23am 5 Comments" />

Does anyone have a set of the older style CH701 / CH601HD Zenith / CZAW floats?

I'm bored these days without a project, so I'm thinking my CH601HD would be cool to fly on floats. Anyone have a drawing for the front steerable nose gear. If I remember these were compressed air…


Scammer Using Web Site Profile

Posted on April 22, 2015 at 5:55pm 6 Comments


Warning this is a scam.

Not sure if its a legitimate members account hi-jacked?

At 10:57am on April 22, 2015, Bruno Serra said…

Hello Dear,

How is everything with you,I picked…


Flygas - Rotax 912 SUPERCHARGER = 140 HP

Posted on January 29, 2015 at 3:25pm 6 Comments

Here is a real product to wake up your Rotax 912 80 hp engine.

Failure of the Supercharger simply means you have to fly on the original 80 hp.

Bob McDonald Is Alive & Well :>)

Posted on July 14, 2014 at 3:29pm 16 Comments

Thank you for your concern... I am alive and still kicking :>)
I kind of stepped away from all my normal activities (except work) last October when my father "Robert Bruce McDonald" was diagnosed with ALS (Lou Gerhig's) disease.
At 85 yrs. the progression of this disease was very rapid. He was unable to walk after Jan.2014, and almost totally paralyzed and unable to speak by May 2014. He passed away June 07, 2014 aged 86 yrs.
His only request was to stay…

Comment Wall (138 comments)

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At 5:46am on November 21, 2017, Kurt Anderson said…
Hi Bob do you still have snow ski plans for the 750? If so can you email them to me at

Thank you in advance
At 3:12pm on October 28, 2017, Jules Lecompte said…

Hello Bob,

Just noticed another one of your comment on the internet about the Pegazair.  For your info the company still exists and is thriving, their "Pegazair" still performs incredibly and  they now produce a 4 seat version called the "Levitation" with a useful load of around a thousand pounds with 180hp Lycoming.  Just thought I should give you the correct information so you could pass it on correctly.

Cheers, Jules 

At 10:51pm on October 5, 2017, Bob Jones said…

Bob,I always carry a gun as part of the survival gear,bear protection,supper, etc

At 7:25am on January 8, 2016, Normand Lambert said…

Hi Bob,

Also, Sorry for the loss of your father. 


At 7:25am on January 8, 2016, Normand Lambert said…

Hi Bob,

Yeah, I know .... Got the 'PLANE BUG' !!! Really wanted to get my hands on a CH750 but got a deal for the CH701SP and CH750 altogether...Couldn't pass. Will most probably sell the CH701SP project and finish up the CH750.

Couldn't resist any longer !

Take care !


CH701sp C-GFEU + 2

At 8:00pm on January 4, 2015, ulis temos said…
Bob, sorry for the loss of your father. My plane is safe and tucked away until the flock returns to Canada. I do fear that they may bring down an airliner landing at Allentown airport. I am also getting to the age when one should give up flying. As of now I can still handle short strips. You can see my strip on maps or Google earth. 3224 sterner road Nazareth pa. Temos
At 9:36am on November 7, 2014, Charlie Becker said…


I can't get the message system to send you a message.  

My email is sonex450 @

Can you send me info about the skis?



At 9:20pm on November 2, 2014, wij Horemans said…


Having just completed my 750 and passed the inspection.. a new project is warranted.. could you please send a copy of the wheel-ski plans..

My emai is

thank you in advance.


Wijnand Horemans Rocky Mountain House Alberta

At 8:45pm on September 21, 2014, Mike Gleason said…

Bob, I understand you have plans for Rob Nelson's wheel skis. Could let me know how I may obtain a set.

At 9:27am on March 11, 2014, Doug Wagner said…

Thank you.  What do you all know about reliability of the UL350is?


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