All Blog Posts (2,179)

Fuesalage side cut outs

Hi,
Cutting out the side window openings on my 750 but can't find any info in the drawings about the location of the banana shaped cut outs for the flaperon connections,can anyone help,
Regards To All
Tom Carlin

Added by Thomas carlin on August 5, 2020 at 7:18pm — 5 Comments

Empennage Done

Empennage stuff largely done. Maybe not "done done", but 99.9%. I'm not connecting the stabilizer and elevator yet. I'll be off to Zenith soon to pick up the other parts of the kit. A 13 hour drive ... but I've been wanting to visit Zenith since I first discovered them 15 years (or longer) ago. Demo flight? By all means ; )

https://corvair750.com/diary/08-01-2020-empennage-riveted/

Added by Skip Rhudy on August 1, 2020 at 4:20pm — No Comments

"Oshkosh Week" 2020 at the Zenith Aircraft factory

Last week we hosted our first (and hopefully only!) "Oshkosh Week" at the Zenith aircraft kit factory in Mexico, Missouri. With the annual EAA AirVenture show canceled this year because of the COVID-19 global pandemic, we decided to open our factory to builders (and pilots) so that they could continue to "aviate" and work on their kit aircraft projects. We limited group sizes and activities…

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Added by Sebastien Heintz on July 27, 2020 at 5:00pm — No Comments

Elevator Build

Deburred, primed and began riveting elevator. Installed trim actuator, clickbond nutplates for access cover, and clickbond wire harness ties on spar.

Added by Keith Thomas on July 27, 2020 at 9:30am — 3 Comments

3d Magic

I think it is worthwhile to share some of my experiences here on the forum about a recent project that I did.  So here goes....

The idea for this project began several years ago.  It started when I first got my 801 up and running.  Zenith/Zenair had changed the cowl at some point, and when I ordered my FWF kit, I got the new cowl.  The cowl fit well, and most importantly cooled well in flight.  But it was quite difficult to fit the air intake.  Basically, I did not fit.  The…

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Added by Daniel Niendorff on July 24, 2020 at 8:30pm — 4 Comments

Corvair Pushrods and Valve Train Geometry

On July 3, 2020, I my 3100cc engine started running rough on short approach to KTTA, after a 25 minute flight from KJNX, and resulted in me having to dead stick her in against traffic.  The resulting teardown exposed a broken pushrod, and possibly a worn out rocker arm.  The resulting discussion led to a lot of education on valve train geometry.

The journey started with Mark Langsford's page at: …

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Added by Ernest Christley on July 22, 2020 at 9:30am — No Comments

Tieton State Airport Hyperlapse video

Amazing flight in great weather to a back country mountain grass field. 

http://www.youtube.com/watch?v=fdRnlCjDFXU

Added by Jonathan Fay on July 20, 2020 at 12:18am — 2 Comments

My scratch built 701

Added by Stefan carlsson on July 19, 2020 at 3:56pm — 3 Comments

Empennage Progress, part 1

I'm almost done with the empennage, but here's how my rudder build went back before the apocalypse:

https://corvair750.com/diary/02-29-2020-empennage/

Added by Skip Rhudy on July 18, 2020 at 12:55pm — No Comments

CH-750 Project For Sale

I'm moving, and the wife and I have decided that the time has come to sell the stalled project (stalled, as evidenced by the fact that I haven't posted here for years prior to today). 49% quickbuild from QSP with Viking HF-110 engine and warp prop, and basically every Dynon option they make (including 10" Skyview, radio, intercom, transponder, ADS-B in/out, 2x autopilot servos). About 98% of everything you need to get in the air, minus paint, interior, and bolts. Engine runs like a swiss…

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Added by Jeff Francis on July 13, 2020 at 1:45pm — No Comments

Final Inspection Completed

Last Tuesday was my Final Inspection by the Transport Canada delegate. All went fine with no snags. Just waiting for the Certificate of Airworthiness now....

Added by Alain Dufresne on July 10, 2020 at 12:30pm — 5 Comments

Fit fuel fuel tank with cork

Fit fuel tank with cork.

Drilled holes in leading edge for vent and drain

Drilled hole for finger screen attachment in nr#3

(Note)  previously installed fuel level indicators, sealed with b2 sealant, and added ground wiring on both standard range tanks)

Added by David Long on July 9, 2020 at 8:16am — No Comments

Learning about Wiring

I didn't want to solder the servo leads. So I did some research and learned a lot about wiring tools and techniques:
https://corvair750.com/diary/07-02-2020-aircraft-wiring/

Added by Skip Rhudy on July 4, 2020 at 11:36am — No Comments

601 XL Elevator Balance Bungee

N601LL is 100 hours now and only remaining item was needing some up elevator trim for level flight and not enough up trim for a proper flaps down engine out glide.  The incidence of both wing and stab were good but as it does take quite some force to lift the elevator I decided to try a simple fix.  I put an eye hook on stab, drilled a hole in elevator horn and installed s-hook there.  Then connecting the two using #64 rubber bands discovered that nine was a good…

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Added by Joe Hopwood on June 22, 2020 at 7:16am — 1 Comment

601 XL Elevator Balance Bungee

N601LL is 100 hours now and only remaining item was needing some up elevator trim for level flight and not enough up trim for a proper flaps down engine out glide.  The incidence of both wing and stab were good but as it does take quite some force to lift the elevator I decided to try a simple fix.  I put an eye hook on stab, drilled a hole in elevator horn and installed s-hook there.  Then connecting the two using #64 rubber bands discovered that seven was a good balance. 

I have not…

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Added by Joe Hopwood on June 17, 2020 at 1:51pm — 4 Comments

Ground adjustable prop.

On a ground adjustable 60 inch two blade prop on a Jabiru 3300, what's the ideal pitch setting, I have changed mine which produced high EGT's

Added by Raymond Woods on June 16, 2020 at 8:00pm — 2 Comments

Rotax Ring mount / Engine mount

Hi 

I need some info / diagrams for dimensions of a Rotax 912 with a ring mount for a 650B. Made a start with using a Sling mount to the Rotax Ring... need a distance from firewall forward to Centre of Gravity. Can anyone who has done this help?? Any photos or advice welcome.…



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Added by Mark Jackson on June 8, 2020 at 4:51am — No Comments

Rudder Skeleton

It is finally starting to look like something, Rudder Skeleton clecoed together.

Added by Keith Thomas on May 5, 2020 at 12:21pm — 1 Comment

1000 hours on my 2007 601-B

Just completed TOH on my Zodiac with 3300 Jaburi. Actually, this is 2nd toh. Did an early service to correct stuck rings cause by Bing carb & poor oiling system. Corrected with throttle body carb with mixture control.

Recent service was due to burned exhaust valve. Added double ring kit, too. Run in numbers are great.

Added by Mark Ertz on May 3, 2020 at 10:00pm — 1 Comment

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