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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 11 Mar 2019, 14:20 
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yep... go arounds might be interesting

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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 11 Mar 2019, 14:42 
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When I remember to practice them, I try bringing the power up enough to arrest the descent and fly level for a few seconds while I retrim before applying go-around power.

Beats the hell out of trying like made to retrim while the plane seems like it'd be happy to attempt an immelman.


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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 11 Mar 2019, 19:36 
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Of course, there's alway the option of NOT operating with one foot over the edge of the performance envelope.

An extra 3mph is a cushion, and won't really increase ground roll much.

Just saying.

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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 16 Mar 2019, 09:56 
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Took my first flight with the sportsman/ vg combo. Ran it through some basic maneuvers.

My speeds match Dave’s pretty closely.
6000 feet altitude. 30 gals, 2 people and 1 Labrador. 45f
Stall speed 38 mph ish. The scale gets a little narrow down there, it was definitely below 40 mph indicated.
Slow flight turns worked as usual. No surprises. Good aileron response
Take offs were shorter. No odd quirks
I’ll go get more envelope data today

I got the mod primarily to improve the comfort margin on a couple strips of which we are particularly fond. I think we’ll be good there.

So far, flying two approaches, it appears I’ll be able to reduce the approach speed 5-10 mph.......that works out to be about 2 grand per mph. :bugeye:

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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 16 Mar 2019, 11:06 
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Mike, how many cat spay/neuter does that install equate to?


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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 16 Mar 2019, 11:56 
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Username Protected wrote:
Mike, how many cat spay/neuter does that install equate to?


Not nearly enough.

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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 16 Mar 2019, 11:59 
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That's a significant reduction in the stall speed. I'm getting about 49mph at roughly the same weight.

That'll make a difference of 200 feet on takeoff and landing, which is huge in some situations.

Or just "more comfortable" in many more. ;)

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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 16 Mar 2019, 14:17 
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I'll try the forward trim deal next time to see what it's all about but on the surface it sounds like the wrong thing to do. :scratch: :shrug:


Dave, the forward trim thing might work because by bringing the trim neutral you're effectively increasing the size of the elevator, but to take advantage of the effect you have to pull harder. The trade off is that you'll have to pull harder to maintain (or increase) your attitude.

Unless you're absolutely out of elevator, this seems like it creates little value for the amount it increases the workload.


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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 17 Mar 2019, 00:15 
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Username Protected wrote:
I'll try the forward trim deal next time to see what it's all about but on the surface it sounds like the wrong thing to do. :scratch: :shrug:


Dave, the forward trim thing might work because by bringing the trim neutral you're effectively increasing the size of the elevator, but to take advantage of the effect you have to pull harder. The trade off is that you'll have to pull harder to maintain (or increase) your attitude.

Unless you're absolutely out of elevator, this seems like it creates little value for the amount it increases the workload.


Eric,
That makes sense. I'll give it a try tomorrow.

Thanks.

Dave

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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 17 Mar 2019, 04:59 
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Did some GPS Verified power on stall speeds today flying reciprocal headings. 40 mph.

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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 17 Mar 2019, 08:31 
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Username Protected wrote:
Did some GPS Verified power on stall speeds today flying reciprocal headings. 40 mph.

Mike,

did the vg and Sportsman leading edge change the way the plane feels near the stall? Mine has always felt loose or mushy near the stall, curious if vg will improve that feel.

Ras


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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 17 Mar 2019, 09:55 
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Dave, apologies for the thread hijack. This seems to be the new go-to 182 thread. Good repository for mod installs as well.

Richard
My impression on my first flight was positive mainly because there wasnt a significant change in the way it “ felt” compared to the feel before the mods. Andrea also flies the plane and i didnt want any weird new flight characteristics. So, that was all fine.

Before the Spirtsman kit, i had VGs alone. The VGs, i believe, were very helpful in slow speed control response, particularly aileron response. This makes sense when you watch the several VG testing videos on youtube. You can see the boundary air staying attached to the wings all the way to the aileron.

When i added the spoertman stol, the positive aileron control remained. This is important at these ever slower speeds allowed by the sportsman kit. Positive control was excellent in all slow flight regimes, turns etc. Accelerated stalls and power on stalls were a nothing burger. My best guess after a few flights is a decrease in power- on stall speed of 5-7 mph by gps. . Indeed, it was right at 40 mph.
My indicated airspeed during these tests was below 40.....around 38.

My other obsevation was that the plane felt more stable while flying an approach
With 40 degrees flaps. Could have been my imagination.

After flying, andrea conveyed that the plane seemed to break ground more positively and without back pressure at the same trim setting she used before the install. This same observation was made by Mike Dorris, probably the most experienced backcountry charter pilot out here in idaho. He had the kit installed on his 180 which is used primarily to deliver mail to the backcountry ranches in winter on skiis

More testing next week at sea level. Having the leading edge painted in sacramento.

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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 17 Mar 2019, 10:27 
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Username Protected wrote:
Dave, apologies for the thread hijack. This seems to be the new go-to 182 thread. Good repository for mod installs as well.


No apologies necessary. This thread has some great information in it! :thumbup:

Dave


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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 17 Mar 2019, 21:19 
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So, today I broke out all of my camping gear including my tent, bivy sacks, sleeping bags, and thermarest pads to get ready for a flying camping trip to Idaho this spring. It's been about 10 years since I've camped at Smiley Creek in the RV but I'm looking forward to more adventures in the 182. I did find that my Peak 1 multi fuel stoves have dead O rings on the main shafts so I'll fix that tomorrow by installing new O rings. In the mean time, I'm shopping for a portable camping table. Any input on what's good out there?

When I pitched the tent in the back yard today I had my three year old black Labrador get in the tent with me and she was good with that. No issues at all so that was a big milestone as she will be going with us. All my other dogs hated the tent and wouldn't get in it. :bang:

I'm hoping all this snow melts at some point. :ohno:

Dave


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 Post subject: Re: My New (to me) Cessna 182M
PostPosted: 17 Mar 2019, 22:03 
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Username Protected wrote:
So, today I broke out all of my camping gear including my tent, bivy sacks, sleeping bags, and thermarest pads to get ready for a flying camping trip to Idaho this spring.



Here's the air mattress you want. Those 2 inch thick Thermarests are for the birds. I've had 2 of these for the past 8-10 years. The carrying case is the pump and takes about 1 minute to inflate.

https://www.amazon.com/Aerobed-Pakmat-A ... g=btalk-20

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