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13 Jul 2025, 03:14 [ UTC - 5; DST ]


Concorde Battery (banner)



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 Post subject: Re: RV-15
PostPosted: 11 Jul 2022, 22:42 
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New video reveals new feature - check out the landing gear - internal shock absorption.

[youtube]https://youtu.be/-FLjPoxsk7Y[/youtube]


I wish they’d make those people wear signs that show how tall they are so we could judge how big it really is. It does seem to be about the size of a 170.

Those internal shocks are pretty cool, and they look like they give the wheels plenty of travel for landing on rough fields.


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 Post subject: Re: RV-15
PostPosted: 11 Jul 2022, 23:48 
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Username Protected wrote:
New video reveals new feature - check out the landing gear - internal shock absorption.

[youtube]https://youtu.be/-FLjPoxsk7Y[/youtube]

Those are giant flaps. I wonder what the stall speed is at full flaps.

Dan


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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 07:23 
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Username Protected wrote:
New video reveals new feature - check out the landing gear - internal shock absorption.

[youtube]https://youtu.be/-FLjPoxsk7Y[/youtube]

Those are giant flaps. I wonder what the stall speed is at full flaps.

Dan


Given the size/weight and likely overall performance I'd guess 35-40Kt range. Van's motto is "total performance" so they're looking for speed, range, useful load etc in addition to STOL performance on this one.

Van's has an intro session scheduled Tuesday at Airventure. Perhaps they'll share more there.

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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 07:40 
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Looks great on the 26’s. Lots of flap going on……..

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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 07:45 
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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 11:43 
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Looks great on the 26’s. Lots of flap going on……..



26 Goodyears are heavy but wear like iron, 8.50s the 4 ply dresser smooth ones would be awesome they’re nearly same size and weigh less welre gonna try some on our 180


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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 11:54 
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Looks great on the 26’s. Lots of flap going on……..



26 Goodyears are heavy but wear like iron, 8.50s the 4 ply dresser smooth ones would be awesome they’re nearly same size and weigh less welre gonna try some on our 180


Pretty certain these are 26" AK bushwheels or airstreaks (non certified light weight version) on the Vans. Big difference in energy absorption between an AK bushwheel and pretty much any other tire, but they also wear a lot faster on hard surfaces due to those qualities.

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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 11:54 
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Username Protected wrote:
Looks great on the 26’s. Lots of flap going on……..



26 Goodyears are heavy but wear like iron, 8.50s the 4 ply dresser smooth ones would be awesome they’re nearly same size and weigh less welre gonna try some on our 180


Yep, i have them on my 182. 8:50s are plenty and a good all purpose mission tire size decision…… at least for us out here.
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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 12:55 
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:thumbup:
Attachment:
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At first glance it looks like there are no doors at all. They are just picture windows with a frame around them.

I like this aircraft with what I've seen so far...

Dan


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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 13:08 
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Sounds like a 4 banger?


I would be surprised if it was anything other than a Lycoming 320.


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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 13:13 
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Needs to be a 360 with other options.

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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 13:14 
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I have been looking at a Zenth Cruzer, which is smaller and slower but also cheaper and easier to build.

It looks like it has huge flaps. Should have pretty good short field performance.


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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 13:24 
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I have been looking at a Zenth Cruzer, which is smaller and slower but also cheaper and easier to build.

It looks like it has huge flaps. Should have pretty good short field performance.


Here's a good YouTube channel on the Zenith. https://www.youtube.com/c/KitplaneEnthusiast1

I think they are very cool. I actually like the look of them but some think they're butt ugly, and of course it's a tri-gear only. The cockpit visibility and stol performance speak for themselves though, and as you mentioned they are known for being simple to build. I'm a fan!

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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 14:14 
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Username Protected wrote:
Bunch of visibility out of that cockpit. That is excellent.



perhaps just a test flight for certification issue? Note what appear to be pull pins on the doors for easy egress if things go south.

RAS


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 Post subject: Re: RV-15
PostPosted: 12 Jul 2022, 15:12 
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Location: Ontario, Canada
Aircraft: Glasair Sportsman
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Sounds like a 4 banger?


I would be surprised if it was anything other than a Lycoming 320.


The prototype is sporting a Hartzell constant speed prop with a front-mounted governor. That puts the engineering prototype solidly into IO-390 territory, likely the largest of the available engine options.

Note the tail wheel features internal suspension - Vans has learned a lot from the Glastar/Sportsman lineup where there's a huge move away from leaf springs and toward the T3 suspension tailwheel.

Note the flap handle protrudes into the "flail injury" area in the cockpit. I'm definitely NOT a huge fan of this feature (although I love the "Johnson bar" flaps on the Sportsman).

Note the flaps are Fowler-style with external tracks - I'm predicting lots of head gashes happening on these babies.

Note the big square tail - Vans will be looking for longitudinal stability in order to put the airplane on floats.

Target speed range of sub-40kts to plus 140kts is entirely do-able once the airplane has good fairings.

As others have noted, that horizontal stabilizer / stabilator gives me pause. Then again, lots of "bush" planes have vortex generators under the horizontal stabilizer in order to keep the elevator's effectiveness at low speed / high AOA. This might turn into a winning combination with an all-flying stabiliator.

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