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Jul 10, 2009, 11:12 PM
keznancehdy's Avatar
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Hangar 9 Cessna 182 Skylane Retracts


I am thinking about taking my Hangar 9 Cessna 182 Skylane 1.5 and installing retracts to make it an RG. I am looking into machining my own since I haven't found a set that would work like scale 182 retracts. Anyone have any ideas for this? I will take any advice possible.
Last edited by keznancehdy; Jul 11, 2009 at 12:25 PM.
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Jul 11, 2009, 01:07 AM
AMA 910957
EJWash1's Avatar
That's going to be an interesting one.

The good news is that the main gear does not have any doors. It just tucks-up into the fuselage. Then again, there could be exhaust residue issues...

Not sure if an e-mail to Cessna would give a graphic/schematic of the gear travel/geometry. The challenge would be in the swing.

I have a large-scale top Flite Skylane kit in the box that I'm holding onto for resale. But, retractable gear? It would be an interesting project and open the doors to several models including the C-172 Skyhawk, C-182 Skylane, C-210 Centurion (if plans are out there) C-177 Cardinal (if plans are out there) and C-337 Skymaster.

EJWash
Last edited by EJWash1; Jul 11, 2009 at 01:18 AM.
Jul 11, 2009, 01:31 AM
keznancehdy's Avatar
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Really need some advice and ideas.....biggest problem is how the scale 182,172,210 retracts work.
Jul 11, 2009, 01:40 AM
keznancehdy's Avatar
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Well Nose gear retracts forward.....which will be a piece of cake. Now the main gear.....yes a challenge!!! Gear unlocks then retracts backwards more or less.
Jul 11, 2009, 02:04 AM
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EJWash1's Avatar
Quote:
Originally Posted by keznancehdy
Well Nose gear retracts forward.....which will be a piece of cake.
Well, depends on the engine. Side-mount to keep things semi-scale (at best) would be a must. Flat twin? Hmmm...

So, the considerations thus far:

Nose wheel:
- room in the cowl for the nose wheel
- gear door operation for nose wheel

Main gear:
- locking mechanism for gear in down position
- unlocking mechanism from down position
- transient to up/stored position
- locked into retracted position
- unlocking from up/stored position to transient position

EJWash
Jul 11, 2009, 02:13 AM
keznancehdy's Avatar
Thread OP
HAHA I would love for this too work but almost seems impossible. I am going to keep at it though. The complication is still the main gear. I really appreciate your input and interest.
Jul 11, 2009, 09:12 AM
Registered User
Seems to me ( NEVER having done retracts at all!), you could use nose-gear retracts
and mount them to the appropriate bulkhead. You could lock the steering function. If the gears retract straight back and there are no doors, it should work OK.

howell
Jul 11, 2009, 09:52 AM
AMA 910957
EJWash1's Avatar
Quote:
Originally Posted by gwinhh
you could use nose-gear retracts and mount them to the appropriate bulkhead. You could lock the steering function. If the gears retract straight back and there are no doors, it should work OK.
Might be a good place to start. Smart thinking.

The problem to be worked out is that the main gear does not swing straight back when retracted. It rotates both inward and then backward (forward and then outward on extension).

Here's a few You Tube videos that show C-172RG, C-182RG, and C-210 landing gear retractions and extensions to give you an idea:

Cessna 182RG / R182 gear retraction (0 min 7 sec)


Cessna 172RG Gear Retractions in Panama (0 min 5 sec)


Cessna 172RG Emergency Landing Gear Extension Test Panama (0 min 22 sec)


Cessna 210 Gear Retraction / Extension (0 min 17 sec)


C172RG gear swing (0 min 40 sec)


EJWash
Jul 11, 2009, 11:25 AM
keznancehdy's Avatar
Thread OP
Well I was thinking something like this older design but retracting backwards instead of forwards. I will also be machining it out of aluminum instead of wood. Well will build up mock set in wood first.
Jul 12, 2009, 11:39 AM
keznancehdy's Avatar
Thread OP
Well I got the mock-up built. Retracts will be pneumatic.....using an air cylinder and air lock. Will be maching final product hopefully this week. Will post pics and videos once finished.
Jul 12, 2009, 11:57 AM
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EJWash1's Avatar
That was fast! Can't wait to see!

EJWash
Jul 12, 2009, 12:09 PM
keznancehdy's Avatar
Thread OP
Yes I will hopefully have it done this week. Still have to modify the plane for the retracts but that wont be too bad.
Jul 27, 2009, 02:18 AM
Mk 9 Lunatic
Atra's Avatar
I saw this ages ago, and I always wonder if someone had it or scanned it electronically.

Atra
Jul 27, 2009, 07:01 AM
Registered User
Squeekeron's Avatar
Funny, I used to fly a Cardinal RG in and out of Addison, TX years ago. This sure brought back fond memories. Thanks.
Sep 20, 2019, 12:05 PM
Registered User

What's up


Hey, this thread is 10 years old, did you do the retractable landing gear as you wished ?


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