Timothy Aanerud
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  • Osseo, MN
  • United States
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Timothy Aanerud's Discussions

Tannis engine preheat for ULPower 350

Started this discussion. Last reply by Jerold Ebke Aug 23. 4 Replies

Has anybody had success with installing a Tannis engine preheating system on a UL-350 series engine?  I don't see kits that is specific for the ULPower engines on Tannis website.Continue


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Timothy Aanerud posted a discussion

Tannis engine preheat for ULPower 350

Has anybody had success with installing a Tannis engine preheating system on a UL-350 series engine?  I don't see kits that is specific for the ULPower engines on Tannis website.See More
Jul 25
Timothy Aanerud posted a photo

Measurable Visual Progress

My mostly plans only CH-750 STOL made it off of the bench and on its wheels today.
Apr 11

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Aircraft Model
Project Status
Less than half
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Engine installed (or plan to install)
UL Power
Building Experience
No Experience
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Private Pilot
Building and Flying Info / Your Profession / Other Background Info
Software Developer
Home Airport (ie. KMYJ)

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Comment Wall (18 comments)

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At 11:32am on March 1, 2017, Normand Lambert said…

Hi Tim,

Ok, Thanks for the comment on the nose rib. I have erased the SLATS from my builds also; too complicated for the gain they provided. Instead, I use the Vortex Generators (VGs) on the main wing of my actual CH701sp and saw an increase in top speed (8mph) and a better glide also... My CH701 is still very much STOOL...



At 11:09am on March 1, 2017, Normand Lambert said…

Hi Tim,

I've got the CH750 edition 2 plans and dont seem to have the same wing nose ribs as yours ... Are your plans edition 3 ? Are the wing nose ribs longer nowadays ? 

Nice work !



At 11:06am on March 1, 2017, Normand Lambert said…

Hi Tim,
Very true; the CH750 has beefier attachments for the wing/struts and stab.
Come to think of it, wouldn't you want that anyway ???

As for the wing/stab trailing edges bucked rivets; they don't add any
strenght to either the wing or stab. It would look real dumb to install
pulled rivets in those locations anyhow. Bucked rivets look better is
the only purpose there...

Once again here my comment is that trying to make those trailing edges
(wing and stab) STRAiGHT is next to IMPOSSIBLE and, believe me, I tried
and tried and tried. The 750 uses an aluminum sheet bent('V') to make up the
trailing edges of the wing/stab. This makes them straight and true.
Requires a bending brake mind you.

So, my general comment still holds : why not construct the CH701 wing using
the CH750 techniques and why Zenair hasn't revisited those 701 plans yet ???

At 8:27pm on November 5, 2015, Perry delano said…

Timothy, if you want to see what I was trying to convey with recently posted pics you can open each photo. great Idea, lost in translation.

At 9:12pm on June 29, 2015, ronald zielke said…

>i got it at lowe's i had some from another project and it worked really good.   it's self etching but it is really expensive  one rattle can does not go very far.  I am going to paint it myself but it will be a two part epoxy, this was just simpler to use.

At 12:56pm on June 27, 2015, Wayne Koski said…
Tim, I have a paper template for that ABS HS Fairing. I can send you a copy if you want...
At 10:30pm on April 5, 2015, Chumphol Sirinavin said…
Welcome. The pictures of your build are impressive.

At 8:26am on March 31, 2015, Brian Fitzpatrick said…

Hi Tim:  

Thanks for the friend request.  Am really impressed with your better than factory build.  What a passion you have for detail.

Nothing final on the nose section yet for the wing.  As I get closer to cutting metal my plans become more moderate.  The Sportsman cuff profile will be close to what I go with.  I have built the ribs and have the metal for the spars and expect to be well into the wings by late summer. Too many other, non airplane issues to deal with. The build is as much therapy as anything else at this stage.

I am very pleased with accounts by other builders who have ditched the slats and went with a more conventional wing with vg's. The experimental aspect within reason is providing myself a lot of satisfaction. Other builders such as Armand Lambert, Mark Maltais and Chumphol Surinavin have been an inspiration for me to mention only three.

Cheers       Brian

At 7:47pm on July 18, 2014, Stephen L Towle said…

Hi Tim

  My 750 CruZer project moves along...now over 700 hrs!  currently have fuselage and cabin tog Ether...the UL power engine is hung.. currently about 89 % done with both wings

   To answer the question, the first or root wing is at stn 0

Good luck

Steve,  N73ZA soon

At 10:51pm on October 22, 2013, David A. Judkins said…

Hi, Timothy! Thanks for the friend request. I started my 750 building the rudder and tail kits, but am now scratch building the rest. Huge learning curve for me!


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