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  #1  
Old 11-30-2022, 07:29 PM
greghughespdx's Avatar
greghughespdx greghughespdx is offline
 
Join Date: Nov 2011
Location: Aurora, OR
Posts: 1,292
Default New Optional Tip-Up Canopy Latch Warning Kits for RV-6/7/9

Van's Aircraft has released a pair of new optional kits that will enable RV-6/7/9 owners to install safety-enhancing options that can help ensure pilots do not take off with their tip-up canopy unlatched, which can be a distracting and/or dangerous event.

For people with an RV-6/7/9 tip-up aircraft (and the "A" variants, of course), Van's has developed and released a new OP drawing as well as two safety-enhancing kits that owners can install. These kits provide the parts needed to install a tip-up canopy latch warning system. This system is designed to provide an audio warning/EFIS annunciation whenever a tip-up canopy is not properly closed/latched, and the engine RPM is above a threshold such as would be the case during an engine run-up or in flight (greater than 1600 RPM).

For aircraft with an EFIS installed, you can order part "TIP UP CANOPY LATCH WARNING" from Van's Aircraft. You can connect the warning system's switch wiring to an available analog input pin on your EFIS/EMS system, and configure your EFIS as per the "Canopy Warning Read-Me" instructions available from the Downloads page of the Van's Aircraft website. Refer to OP-61 for details.

If you have an aircraft without an EFIS installed, you'll need part "TIP UP CANOPY LATCH WARNING" as described above, plus part "AV-01957 INSTALL KIT," which provides the components needed to connect the latch/switch system to your intercom and generate audio alerts. Refer to OP-61, pages 04-06 for details.

We also updated RV-14 Section 38 to reflect the applicable revised latch parts (C-607-1 and C-609-1), which are common to the RV-6/7/9/14 models.

Both kits are available to order from Van's at the links above.
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Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.

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Last edited by greghughespdx : 12-01-2022 at 03:00 PM.
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  #2  
Old 12-01-2022, 10:24 PM
fabricflyer fabricflyer is offline
 
Join Date: May 2011
Location: Tylertown, MS T36
Posts: 198
Default Canopy closed switch thoughts

Looks as if the canopy closed switch for the 6, 7, and 9 was an afterthought.
It stocks out in the way and hasd exposed wires. The switch should be more enclosed or behind the F768B-L. Doesn't look very professional.
Allen Blackwell
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  #3  
Old 12-01-2022, 10:36 PM
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newt newt is offline
 
Join Date: Jan 2011
Location: Sydney, Australia
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Default

Quote:
Originally Posted by fabricflyer View Post
Looks as if the canopy closed switch for the 6, 7, and 9 was an afterthought.
It stocks out in the way and hasd exposed wires. The switch should be more enclosed or behind the F768B-L. Doesn't look very professional.
It's a kit. If you want it to look professional, build it so it looks professional.

- mark
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  #4  
Old 12-02-2022, 09:23 AM
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Tony Kirk Tony Kirk is offline
 
Join Date: Apr 2005
Location: KDUH
Posts: 128
Default

Quote:
Originally Posted by fabricflyer View Post
Looks as if the canopy closed switch for the 6, 7, and 9 was an afterthought.
It stocks out in the way and hasd exposed wires. The switch should be more enclosed or behind the F768B-L. Doesn't look very professional.
Allen Blackwell
Just for context, the un-cropped version of the photo used in OP-61 shows the Advanced Control Module and the other "exposed wires" that are very commonly seen when avionics are mounted to the aft side of the F-768B sub-panel.

Look at it this way, how many builders (or maintainers) want to panel-dive behind the sub-panel when an item can be mounted in an easily accessible area behind the instrument panel? This microswitch requires adjustment during installation and that would be much more difficult to perform if you had to panel-dive.

NOTE: there should be an MS25171-3S Terminal Boot on the ACM positive terminal.
.
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Last edited by Tony Kirk : 12-03-2022 at 06:15 PM. Reason: Add note about terminal boot.
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  #5  
Old 12-02-2022, 03:00 PM
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Draker Draker is offline
 
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Default

Cool that Vans has an official way to do this now. I wouldn't have thought to put the switch there! I chose to do two switches, one on each of the "fingers" that engage the canopy hardware when you close the latch:

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  #6  
Old 12-03-2022, 09:26 AM
rvbuilder2002 rvbuilder2002 is offline
 
Join Date: Jul 2005
Location: Hubbard Oregon
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Quote:
Originally Posted by Draker View Post
Cool that Vans has an official way to do this now. I wouldn't have thought to put the switch there! I chose to do two switches, one on each of the "fingers" that engage the canopy hardware when you close the latch:

The system from vans does have two switches. It is designed to assure that it canít accidentally detect the canopy closed and latched, when it actually isnít.
One switch detects the physical position of the canopy latch mechanism and the other detects the actual physical position of the canopy.
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Scott McDaniels
Hubbard, Oregon
Formerly of Van's Aircraft Engineering Prototype Shop
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  #7  
Old 12-04-2022, 11:32 AM
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Draker Draker is offline
 
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Quote:
Originally Posted by rvbuilder2002 View Post
The system from vans does have two switches. It is designed to assure that it canít accidentally detect the canopy closed and latched, when it actually isnít.
One switch detects the physical position of the canopy latch mechanism and the other detects the actual physical position of the canopy.
Wow, I'm dumb. Didn't notice the second switch in the latch itself. Nice design.
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  #8  
Old 12-05-2022, 04:59 AM
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Janekom Janekom is offline
 
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Location: South Africa
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Default Good idea and very simple

Well I have seen a few tip-up take-off with the canopy not latched. This now will hopefully eliminate this.
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  #9  
Old 12-05-2022, 02:04 PM
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RV7A Flyer RV7A Flyer is offline
 
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Location: US
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Quote:
Originally Posted by Janekom View Post
Well I have seen a few tip-up take-off with the canopy not latched. This now will hopefully eliminate this.
Been there, done that. A non-event.

This looks like a nice-to-have thing, and I'd have probably put it in during the build, but 10 years on, too much effort.
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  #10  
Old 12-25-2022, 12:04 PM
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wfrymark wfrymark is offline
 
Join Date: Jul 2007
Location: Sugar Grove, Il
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For a retro fit, itís much easier and cheaper to add a contact switch to the canopy latch as Draker has done. Mine is configured to contact the latch lug so it cannot be tripped without the canopy being closed and latched, so only one switch is needed. Switches available at Amazon-10 for $6. https://www.amazon.com/dp/B07ZVJD1GC...roduct_details
I glued mine on with RTV and it seems quite secure. Quick and easy. My plan is to drill for a #4 bolt only if needed because failure would only result in an ďOPENĒ indication which could be quickly and easily identified as false.





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