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Home
Ch 18 Canopy
Canopy Stay 2

Canopy Stay 2

7 years ago
Dave Berenholtz
Ch 18 Canopy
Date:  03-05-2018
Number of Hours:  8
Manual Reference:  18-8

This all took several days to get sorted out.

The canopy stay on the pre welded upper section on the rollover was simply a fail. I might use it as a camera mount instead. Other people have got this working, it is not for me. I see too much twisting moment on the gas strut and I think it would always be on the verge of twisting out completely.

A better position is in the above picture. This keeps the strut in the same plane as it moves.

I worked out that 2″ above the middle of the rollover tube was going to allow the strut to clear in all positions. You can see I had a few goes with my test piece.

Once I had this decided I made up a drawing and arranged for a piece of Titanium to be welded on.

Here we are all done. I spent a full day with 7 hours in the car driving and 90 minutes of waiting time in between. It was not pleasant on many levels. All I care about is the fact that my piece is welded on securely now. The disagreements and difficulties getting this plate done correctly, like much of the build, is already in the past. The few lessons learned in the process will,ย of course, stay forever.

Another day of running around. I went to the site of the gas strut manufacturer to get a longer end piece. After quite some searching the kind people told me the part I wanted was out of stock but they gave me the black piece above.ย  Once home I got to it with a grinder and released the ball!

Another task was to pick up some 1-1/8″ OD tube from fellow builder. Darren. Thanks! The idea here is with my now longer bolt I could reinforce the hole in the tube with a large surround washer that is really just another bit of tubing of slightly larger OD.

Here both halves of the support tube are in place. I am very confident I have the strength I need now on the strut. Yes no washers, I know. I wanted that lock nut to engage fully. I may find one with a lower profile and bring back the washers. Tell me if you care.

This is bolted in position. You might see or guess that when the canopy comes down there is no twisting with this geometry and everything is in line.

The canopy strut works! I also removed all the supports around the canopy. It is on and working. I’ll just continue with the latches. We can call the canopy strut – done!

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Ch 3 Education220
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Ch 8 Roll Over/Seat Belts990
Ch 9 Main Gear/Landing Brake71642
Ch 10 Canard28287
Ch 11 Elevators36298
Ch 12 Canard Installation12102
Ch 13 Nose and Nose Gear1291097
Ch 14 CenterSection Spar57525
Ch 15 Firewall and Accessories448
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Ch 17 Roll/Pitch Trim System654
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Ch 19 Wings, Alierons1271090
Ch 20 Winglets/Rudders71528
Ch 21 Strakes - Fuel/Baggage65437
Ch 22 Electrical System591031
Ch 23 Engine Installation961152
Ch 24 Covers/Fairings/Consoles25202
Ch 25 Finishing561084
Ch 26 Upholstry340
Fuel System46310
Rollover1050
Cabin heating System60331
The Ferry Tank335
Blog2694182
Build Mods2252513
Nose Gear Doors856
Wheel Pants/Gear Leg Fairing40473
Oxygen System762
Roll and Pitch Trim964
Winglet Intersection Fairings445
Baggage Pods11104
Pilot Side Windows437
RAM Air & Hellhole Cover15177
Main Gear Beef Up322
Post Cure124
Fire Extinguisher16
Wing Fences13
EVS (Enhanced Visual System)130
Hinge Upgrade115
Cowl Keeper110
Rudder Gust Locks19
Cooling20607
Taxi Tests42
Flying10

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ยฉ Copyright 2025 Dave Berenholtz