So I have been a bit busy the last few days. Hard keeping up with all you fellas and all the posts. But I am going to try to get all caught up....eventually. LOL.
I did do a little work on the little H-9 Blue Nose Stang the last couple of days. Dang it sucks when you sell a plane complete ready to fly. Have it sit in an attic for five years unflown, then buy it back only to find out it has been stripped of "EVERYTHING". Ugh.... no worries. Just means I get to update everything right?
First order of business was to get some servos re-mounted in the fuse. I decided to not spend a lot of money getting this bird put back together. So I went with some traditional basically new used Hitec analog servos. It flew great before, no reason it won't again right? First the retract air valve servo and then the elevator and rudder servos. It's a bit amazing the fuse looks all open and "welcoming" to components. That is until you start "stuffing" crap inside. It gets small "real" quick. LOL
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Next it was time to put the ignition in place and set the RCGF 20cc gasser.
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This is the initial spacing on the RCGF 20cc. Sticks out a bit. Ah but that is easily remedied.
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Once the engine was set at the proper distance, I got to installing the rest of the fuse components. Man, there is a bunch of junk in there. LOL
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I did get it all to fit though. I decided, (though completely not needed) to use what I had on hand. Because the ignition module is HV, I used one of my on hand Fromeco LiIon 7.4 volt 2600 mah batteries to feed that little motor its sparky juice. And because the servos I am using are all traditional analog low voltage servos, I chose to run the Fromeco LiIon 7.4 volt 5200 mah pack through a Sahara regulator. Yeah I know fellas.... I will be able to fly this thing to Dougs house and back. Maybe even "Snoops" too. LOL. But hey, it's what I had on hand and that is that. LOL. I still have to get a permanent fuel tank for this little dude, but just like Doug used a bottle for a fuel cell on his buddies plane I...um, well I improvised. A tank way too big for the plane hanging halfway out of the fuse. Well, it got the job done long enough to start that little beasty motor. I was very impressed too. My son and I tried four different props on the motor when we fired it up. Heck, it starts so easy you would think it is a "dub". LOL. A 14x7 woody gave us over just shy of 10,000 rpm. Way too small of a prop. Next it was the 15x8 Nylon. (I forget the brands of these props) That was just shy of 9,000. Still too small. Next we went to the 16x8 woody I just bought brand new. Ah....that seems pretty good. Right at about 7500. Starts good, runs smooth and throttle transition is really pretty balanced. Next we tried an APC 16x8. Just over 8200 rpm. Man can you hear that thing spool up. And deceleration was just like a Saito 4 stroker. But overall, the 16x8 woody was the best. So I think that is the one I will use. We figured that the power to weight ratio should be somewhere around 2 to 3 to 1. Not only will this little guy flat scoot, it should be able to hold itself in a hover over the runway two inches off the deck while I am doing torque rolls.
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Of all the RCGF motors I have had, I have to say this little 20cc'er is probably the best one I have owned. I ordered up a wrap around Pitts style muffler for this little warbird and should have it sometime later this week. Although the cowl is cut for the Saito 125, the RCGF fit in there really nicely. I will have to do some trimming, but not much. I want to keep the "hacking" of the cowl down to a minimum.
Next up since the fuse is pretty much buttoned up, my son is going to make me up a custom wing harness with the TDRC multiplex plugs. One plug to plug in when I put the wing on. It will have all four servos, (2 aileron and 2 flap) coming together in one common plug to simplify the connections.
More to come fellas.
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