WY kitfox Yamaha build

68 posts in this topic

Posted

Did you make the seats?  Is that some kind of heat formed material like Kydex?

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Posted

Did you make the seats?  Is that some kind of heat formed material like Kydex?

it’s the fiberglass seat that came with the kit.

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Posted

Getting closer to covering this thing.

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Posted

Awesome awesome work!  Where are you with it now?

What material did you make the bucking board out of to form the firewall?

I'm interested in the Phazer powerplant having decided the FX series is really about 50lbs too heavy in the Avids and early KF's applications.   It's come down to that or a Jab.

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Posted

The airplane is coming along nicely, I’ll post a progress report with pictures pretty soon.

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Posted

Slowly plugging away. Panel and wiring basically done, console done, fuel plumbing done and the fuselage is covered. Next major task is to build the landing gear.

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Posted

Nice to get to meet you, I was hoping to get a chance to look at your project but it didn't work out this time.

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Posted

That is some really fine work you are doing. How did you form the firewall? I am currently at that stage on my plane.

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Posted

Nice to get to meet you, I was hoping to get a chance to look at your project but it didn't work out this time.

let me know next time you’re in town.

Hope to make the glendo fly in, the cherokee...

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Posted

That is some really fine work you are doing. How did you form the firewall? I am currently at that stage on my plane.

scroll through the thread, you will see the forming block I built.

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Posted

Thank you for pointing out the thread. Definitely going to employ this process.

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Posted

That is some really fine work you are doing. How did you form the firewall? I am currently at that stage on my plane.

Here here on the firewall. Do tell - looks awesome. You've been bending metal for quite some time obviously.

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Posted

FW construction photos and comments earlier in the thread on pg. 2

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Posted

Did you make the carbon floorboards? They look nice.

I just cut them out of carbon fiber plate.

I don't think its a good idea to use carbon fiber in the cabin area.

In case of a crash, carbon fiber is brittle and can form very dangerous spikes.

In  modern gliders, the cabin is made  of  a composite of mixed carbon and aramid fibers, in that way it can delaminate without breaking

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Posted

Just saying hello, been lurking here a while but finally joined since I got some projects caught up and can focus on my kitfox now.  I acquired a kitfox II a couple years ago it was at a nearly completed state but I have decided to dismantle it and start over. Plans are to implement a few of the great ideas found here and also add a few of my own. The major modification I’m undertaking is the removal of the 582 and installing an 07 Yamaha Phazer engine that I have been developing. So as the build progresses I’ll try to keep the thread updated and look foreword to any ideas and input.

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It that a Phaser under there? 

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Posted

What hp and weight does that engine produce?

the motor is advertised as 80hp. With the gearbox, adapter, throttle bodies and clutch it came in at 109 lbs, exhaust will be around 7lbs. I think it’s going to be a bit heavier than the 582  fwf but not much. The complete 582 fwf came in at 129 minus the prop.

What is the adapter on there?

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Posted

It is a Phazer motor and he built his own adapter.  

The PTO shaft is the same taper as the Rotax.  After you trim a little off the end you can put a RK400 clutch on it.  The C box looks like it was machined down because it was too long for everything to line up on the Phazer motor.  I am working on the same thing but if you check the Yamaha conversion Facebook group, I think there may be an adapter coming soon that is similar to the Apex adapter.

 

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Posted

It is a Phazer motor and he built his own adapter.  

The PTO shaft is the same taper as the Rotax.  After you trim a little off the end you can put a RK400 clutch on it.  The C box looks like it was machined down because it was too long for everything to line up on the Phazer motor.  I am working on the same thing but if you check the Yamaha conversion Facebook group, I think there may be an adapter coming soon that is similar to the Apex adapter.

 

Very cool Tom.

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