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Kawasaki Ki-61 Ready for maiden

Old 02-23-2007, 11:16 AM
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Hot Rod Todd
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Default Kawasaki Ki-61 Ready for maiden

Thought I'd post a couple of photos of my Don Smith Kawasaki Ki-61. It has a 86" span, weighs in at about 18 lbs. without some nose weight that I'm sure will be needed. It is powered by an OS 1.60, has a servo powered canopy, bomb/tank drops, Robart retracts, split flaps, and a full cockpit. Since I'm here in Iowa I will have to wait for some good weather for the first flight, so if your in a hurry to see a flight report you may be disappointed.
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Old 02-23-2007, 11:22 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

Very nice. I use a APC 17x10 on my OS 160 in my Platt 80" 18.5 pound Zero. Plenty fast enough. I would image your Tony will have plenty of getup and go.

Carl
Old 02-23-2007, 11:22 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

Here are some photos of the cockpit. Most of it was made myself, since the cockpit kit I had was not up to my standards. I used a modified GI Joe Zero pilot. The guages are from actual photos of the original units used in the Hein.

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Old 02-23-2007, 11:23 AM
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P-51B
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Default RE: Kawasaki Ki-61 Ready for maiden

So, how's it fly?

Looks great!!
Old 02-23-2007, 11:27 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

sure looks super, you do GOOD work. will it fly on skiis? dick
Old 02-23-2007, 11:29 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

The plane is modeled after one flown by MSgt. Ando, Major Kobayashi's wingman who died in an attempt to bring down a B-29 using a ramming attack. Here is my version of Ando, lightened up and painted a bit to provide more detail than a stock GI Joe.
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Old 02-23-2007, 11:35 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

No skis for me. I'm thinking you can wait for April or May before you'll see a flight report. It was meant to fly, so it will not be a hanger queen. I have a lot of time in it so I'm hoping it flies well and gives me many years of enjoyment. I plan on starting with a 17 X 8, but a 17 X 10 is an option that I may try once I get it dialed in. It should be faster than a zero, since it is a bit more streamlined (not that zero's are all that draggy).
Old 02-23-2007, 11:46 AM
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Default RE: Kawasaki Ki-61 Ready for maiden


ORIGINAL: Hot Rod Todd

No skis for me. I'm thinking you can wait for April or May before you'll see a flight report. It was meant to fly, so it will not be a hanger queen. I have a lot of time in it so I'm hoping it flies well and gives me many years of enjoyment. I plan on starting with a 17 X 8, but a 17 X 10 is an option that I may try once I get it dialed in. It should be faster than a zero, since it is a bit more streamlined (not that zero's are all that draggy).
So this plane is a kit with FG fuse? How long did this take you? DP
Old 02-23-2007, 01:29 PM
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Default RE: Kawasaki Ki-61 Ready for maiden

Daayum!! The Tony is one of my all time favorite designs. You have built a majestic warbird!

Congratulations! Hope you get all the years and enjoyment you deserve out of this lovely model airplane.[sm=thumbup.gif]
Old 02-23-2007, 02:59 PM
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carlbecker
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Default RE: Kawasaki Ki-61 Ready for maiden

I think it will be fast enough. In my experience I would start with the 17x10 and if it was just to fast drop the pitch. I replaced a 17x8 with a 17x6 on a different engine/plane and the 6 just did not have enough speed for comfortable flight. I tried a 18x8 with the Zero and did not like the change. Wish you the best on your maiden.

Carl
Old 02-23-2007, 03:53 PM
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Default RE: Kawasaki Ki-61 Ready for maiden

Dai, I used Don Smith plans, but picked up a Fiberglass fuse. I had to figure out how to mate my built from plans wing and tail surfaces to the fuse, as well as how to mount the motor. It could not be considered a kit by any stretch. I don't know how long it took total, but I know I spent about 4 days on the cockpit alone.

As for the prop, I think I'll start with the 17X8. I like the extra thrust and it should be a bit easier to slow down. If I think I can use the extra speed, I'll try a 17 X 10 once I get it dialed in. Others with the same plane and engine combo have recommended one of the two.
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Old 02-23-2007, 05:51 PM
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Default RE: Kawasaki Ki-61 Ready for maiden

One outstanding bird. I like seeing something different than mustangs and spitfires.. Great job.
Old 02-23-2007, 06:59 PM
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Default RE: Kawasaki Ki-61 Ready for maiden

Todd VERY nice. Where did you get your GI Joe pilot. I need two of them . One for my Tony and one for my Miysubishi Ki-1 , If I ever get the plans I ordered. Thanks Rich
Old 02-26-2007, 08:23 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

Here's where I picked up the Japanese Zero Pilot GI Joe. Good luck finding one, I picked up mine a couple of years ago. I used the upper part of the torso and drilled it full of holes. The lower torso and legs were replaced with foam.

http://www.goodstufftogo.net/html/bo...sp?opencat=215

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Old 02-26-2007, 05:31 PM
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Dai Phan
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Default RE: Kawasaki Ki-61 Ready for maiden

Todd,

If I may offer a suggestion to your outstanding warbird. That is if you angle the pilot head it will make the cockpit more dramatic IMHO. You still fly your Albatros? DP
Old 02-27-2007, 08:14 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

I agree Dai, I think he was checking the alignment of the gun sight at the time so he was looking straight ahead.

I still fly my albatros. I use a smooth surface runway, so I need to wait for days without much side wind. Other than that it flies fine and I take it out quite a bit. Of course I have to wait for spring right now. My friend has a Sopwith Pup and we get them up together for a little dogfight action.

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Old 02-27-2007, 09:22 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

Tod Thanks for the info on the pilots. Rich
Old 02-27-2007, 03:06 PM
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Default RE: Kawasaki Ki-61 Ready for maiden

Very nice work!
Old 03-14-2007, 07:56 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

Added the scale drop tanks. I made them using pink insulation foam. First I cut out a bunch of circles and glued them together to form a tube. A dowel through the pink tube allowed me to put it on my drill press and turn it to shape. I then fiberglassed them and used some lightweight filler to smooth them out. They are fairly light and should be able to survive a drop in the grasss. It was a nice spring day so I got outside and snapped a couple more shots.

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Old 03-14-2007, 08:16 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

Tod she really looks good. I finaly got a motor for my Tony MVVS35. Just need to get it installed. I ordered 3 of the Japanise piolits. They should be in any day. The tanks look good . I guess I need to add some to mine. They add a lot for the looks. Thanks Rich
Old 03-14-2007, 09:07 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

I should get more pilots so I can have one standing outside the plane. With a little work they look very good.

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Old 04-17-2007, 08:13 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

I finally had a good weather day and got the Ki-61 up in the air. All things considered it flew well and I was happy with the flight. It jumped into the air a bit early but had the power to pull out. It needed quite a bit of down trim, likely due to the angle of the horizontal stab. My engine was a bit rich, so I kept both flights on the short side. I need to get the low end set a bit better and it should run fine. I had a couple of issues with the landing gear. The left small clamshell door likes to get blown shut by the prop blast, and because of that I did not put the mains up on the first flight. The large gear doors are not stiff enough, and liked to flutter around a bit. I'll stiffen them up a bit and add some magnets to keep the leading edge tucked into the wing. For the first landing I found that the split flaps were very effective and caused the plane to slow quicker than I expected. I used partial flaps on the second landing and it was more in line with what I'm used to. Once I get the hang of the higher drag and get the low end set better so I have full engine control I think I will be able to use full flaps for most landings. In the air the plane handled very well and tracked like it was on rails. No trim changes were noticed between low speed and full throttle. I think the CG is very good and at this point I am not making any changes. I'm looking forward to getting the bugs worked out and getting some more flights on it.
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Old 04-17-2007, 08:27 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

I posted a short little video of the second takeoff. Not to clear since it was done with a little digital camera, but I guess you get the idea.
I'm thinking this link will get you there.


http://www.rcuvideos.com/item/WLN5LQK74T3CGH3D
Old 04-17-2007, 08:52 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

Todd great news on the Tony. Where did your cg end up at? I never did get my pilots from Wentworth. They won't answer my emails and the phone num you get a pager. Just beware of these people. I still haven't put the motor in mine yet. To many irons in the fire. Rich
Old 04-17-2007, 09:51 AM
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Default RE: Kawasaki Ki-61 Ready for maiden

I ended just a little in front of the 5" recommendation. That was the advice I got from Brian O'mara who campaigned the same plane in Top Gun for a number of years. I don't think that adding the pilot will cause any problem with the handling since he sits fairly close to the CG. Sorry to hear about your efforts to get a pilot. Always the risk we take when using the internet to order things.

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