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The 'What did you do in your workshop tonight?' thread

49dimes

Damn I'm hungry
Really wanted to fly today but a strong cold north wind is a blowing so I went ahead and finished making my servo arms and linkages for the Extra. I also got the AR9140T power safe receiver to go over. Boy is it NICE! Me likes it a lot :). I used DuBro 4-40 ball-links on the arms and kit supplied ball links for the horns. The kit supplied have the correct spacers built in to the ball for the double horn arrangement.

Got everything in but the spinner and rudder servo tray. Still going to rework the QQ LG before I do any more for the Extra.


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Alky6

150cc
So I have been absent for a few days fellas. I have tried to stay caught up. But I had plenty of projects to keep me busy lately. Besides work. LOL. First?
Lets talk tires. When I built the Pitts, I used the very "USED" original design White Rose wheels on it. You all may remember. The wheels looked good, but them tires. YUK! The wheels are just so pretty to let them remain that way.
View attachment 99837
Plus, I decided to put a more appropriate size wheel on the Pitts. What ever shall I do with them gorgeous wheels then? Oh well, I know a baby Yak that needs some wheels. Here is what I did. I tinkered around one evening and removed the original tire using a couple of screw drivers like we used to use tires spoons to remove an old car tire from a wheel. What do you know? They are Dubro tires. With the centers cut out.
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Dang those things have seen some pavement landings huh? After they were removed, I cleaned up the wheels and set them aside. My search for the coveted Dubro 450TL payed off.
View attachment 99836
So now all I have to do is figure out how to cut the centers out of the new tires. And I discovered this was almost so easy, my Pop-Top could have done it. I used my hobby knife to "etch" or "scribe"...which ever works best here, a line around the center of what needed to be removed. Then cutting to full blade depth I went around the circumference in a complete circle. By doing both sides of the tire the same way, I discovered that my blade went "almost" all the way through. But I wanted to make sure I had a clean cut, so I used my hand held saber saw to complete the incision all the way around. Once this was done, I lifted out the center of the tire and wa-laa. Looked almost as good as the factory. Funny thing here is that the Airman Wheels use the same exact tires on all of their wheels. White Rose has recently updated their tire line to a different design. Anyway, you can see my progress with the photos of the surgery I was doing on the tires. Of course I had to remove the new tires from the original wheels. Same procedure as removing the tires from the White Rose wheels.
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Ok, now with the tire centers cut out, it was time to re-install the newly cut tires to the White Rose wheels. My first attempts before I even cut the 4.5" Dubros was with a 5" that I had removed from my broken Yak wheel. You all remember that right? Ugh. Anyway, I used the same method to install as I did to remove the tires. Two screw drivers like the tire spoons. It worked ok, but doing so has a tendency to "tear" the foam tire. I didn't want to do this to the new tires, so I opted to "MUSCLE" them on. A little difficult, but no tears. Once they were on, a little side wall pushing and the beads sat right down where they needed to be.
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This is what the original Dubro wheel looks like. And the new Dubro with the center cut out.
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And this is the finished product. Brand new tires on my original design White Rose wheels. All washed and shined up and ready for install on the new SD Baby Yak-ster.
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From now on, no more purchasing $150.00 worth of new wheels. I will simply order up a set of what ever size tire I want and change them out myself. Much more cost effective. And to that? It opens the door for all those worn out tires on all those snazzy looking wheels.
Hey Rob, help me follow what you were getting out of cutting up a dubro tire to fit the white rose wheel? The dubro 4.5” tire/wheel costs $18 and the replacement rubber tire from white rose is $18. Are they different sizes and not available? Thanks!
 

stangflyer

I like 'em "BIG"!
Hey Rob, help me follow what you were getting out of cutting up a dubro tire to fit the white rose wheel? The dubro 4.5” tire/wheel costs $18 and the replacement rubber tire from white rose is $18. Are they different sizes and not available? Thanks!
Very good question. However the Dubro tires cost me like 15 dollars for both and that included shipping. Second reason, the original White Rose were designed around the Dubro tires. Not sure the new White Rose tires would fit the wheel. I spoke to Vern and decided I would just stay with the original design. Also, although Dubro tires are softer than the new White Rose rubberized tire, they don't flat spot. Can't say about the White Rose. Vern tells me the new White Rose tires do not side roll and wear longer. But I've not had any issues with the Dubro other than wearing out from the asphalt runway. But I think any tire will suffer. I do like the soft landings the Dubro tires give. So all in all, preference I think.
 
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Alky6

150cc
Very good question. However the Dubro tires cost me like 15 dollars for both and that included shipping. Second reason, the original White Rose were designed around the Dubro tires. Not sure the new White Rose tires would fit the wheel. I spoke to Vern and decided I would just stay with the original design. Also, although Dubro tires are softer than than the new White Rose rubberized tire, they don't flat spot. Can't say about the White Rose. Vern tells me the new White Rose tires do not side roll and wear longer. But I've not had any issues with the Dubro other than wearing out from the asphalt runway. But I think any tire will suffer. I do like the soft landings the Dubro tires give. So all in all, preference I think.
Got it. Getting two for the price of one. I understand completely now. Thanks!! Would probably do the same.
 

stangflyer

I like 'em "BIG"!
Thanks to a phone conversation with stangflyer I solved a programming issue with my radio last week and did some dialing in today while watching football. Barely enough wing room in my basement shop.

.View attachment 99905
Hey...now that is more like it. I am very excited for you. I do hope you get a chance to get her off the ground soon. I probably need to spend more time with mine. Nothing flies like this 3.1m Sukhoi.
 
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