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Thanks for the kind comments gang.....now if I can just get Brad to drop in to the cedar mill one day, and scrounge me up a couple three more "blanks " we can do some more props..like for a certain D V11 that's gonna be flying again soon :-)..and my EV needs one too.... and so will the next "secret" project...spent three hours today...with numerous timeouts for coffee, smoke, lunch etc....prop is carved totally...pics in the morning with a running commentary. oh..balanced too...and this time no power tools..all by hand..I tried it out already.......it's just the right size to spank the grand kids with :-) works good...hope it works as well as a propellor :-)
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I'm eagerly awaiting pictures of the prop.
Just curious, you said it is cedar, any idea what the real props were made with? Were they cedar as well? I'm sure different countries used a couple of different woods depending on what they had and what they could get. |
I am humbled by all the master craftsmen on this forum.
I need to learn how to fly my planes with paper bags over them.;-) |
8 Attachment(s)
79 CJ... I actually said it's YELLOW cedar ( cypress to some of you) but I think they used whatever was straight grained, and knot free...... material type likely wasn't that important......remember the average life span of a plane wasn't very long :{
So any way in the first picture you can see the bench leg that I was convinced a 28 X 14 prop was hiding inside of. next two pictures you can see the layout that comes from the couple of simple calculations I described earlier...now in the next one, we have rounded up all the necessary tools,a steel rule, a square, a set of dividers, a spoke shave, and some sand paper...time to make some wood chips ;) next is a picture of the stuff that doesn't look like a 28 X 14 prop..then finally I found it..the prop that was hiding in the table leg :D now all I need do is stain it, put it on the model and see if it works as well as a propellor, as it does to club fish :p> the whole process by hand took about 3 hours...if you have a disc sander( angle sander angle grinder) with a flexible sandpaper disc mounted on it this whole thing can be carved likely in about 15 minutes, but I wanted to do it without that luxury just to prove you don't need any special tools to make a prop.. a ruler, a spoke shave or a knife and some sand paper..just as an experiment this morning I carved a 10" prop with a razor knife in about 15 minutes...guess who's not going to be buying many props from now on ? :eek: db..I usually fly mine with a grbage bag 'inside" them...then..that way I have something to put all the pieces in when I crash |
Originally Posted by Ron
(Post 684763)
db..I usually fly mine with a grbage bag 'inside" them...then..that way I have something to put all the pieces in when I crash
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Any landing that a mouse in the cockpit would have survived is a good RC landing. Fortunately mice are quite resilient.
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any landing you could walk away from or that keeps the plane in one piece is a good one...any landing that leaves the model so that you can actually fly it again (without fixing it) is a perfect one :-)
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How 'bout any landing you dont need to walk TO is a good landing.????:ws:
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Originally Posted by Ryan Flyer
(Post 684822)
How 'bout any landing you dont need to walk TO is a good landing.????:ws:
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If she walked away then thats where you use "any landing you can walk a way from....":D
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She walked but I run.
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Ok That must be a bad landing if the pilot ran;)
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Well today was bench test try out time for the DR1....I programmed the speed control, and installed the prop..hooked up the battery and tied the model to my digital scale so that I could check amps, pull, and RPM.....
the amps was about 40 I think when I aborted the test....I did find out though, that the wing tip skids work :rolleyes: at about half throttle, the model rolled to the port side and the wing tip skid was on the ground..then both wheels came off the ground...didn't have the moxy to check the pull or the RPM...before I killed the throttle, :red: but from the looks of it there 's gonna be lotsa power::o I have never before witnessed a model's wheels coming off the ground while it's tail is tied to a post...SHEESH ! ::o :ws:..first time for everything eh? Now we're finally ready for test frights :Q |
Aviation info site
Here you go Boys. Check this out. Marty
http://www.airminded.net/ |
Great link! Some cool pictures on there and a lot I have never seen before.
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Hay everyone, I am really exited this morning, I finished building and taxied my first WW1 airplane! still a few things to do before the maiden but it is mostly complete. I is a Avro 504k That I built for foam using plan from Debreen. Thank you De!
Anyway I think it will fly nicely if I can get the CG righrt so wish me luck on the maiden! Patrick Ryan |
Originally Posted by Ryan Flyer
(Post 686143)
Hay everyone, I am really exited this morning, I finished building and taxied my first WW1 airplane! still a few things to do before the maiden but it is mostly complete. I is a Avro 504k That I built for foam using plan from Debreen. Thank you De!
Anyway I think it will fly nicely if I can get the CG righrt so wish me luck on the maiden! Patrick Ryan Congrats! Post up some pics for us to enjoy :) |
Patrick good luck on the maiden...how about a picture or two??
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Originally Posted by Ryan Flyer
(Post 686143)
Hay everyone, I am really exited this morning, I finished building and taxied my first WW1 airplane! still a few things to do before the maiden but it is mostly complete. I is a Avro 504k That I built for foam using plan from Debreen. Thank you De!
Anyway I think it will fly nicely if I can get the CG righrt so wish me luck on the maiden! Patrick Ryan |
I painted it because the copy machine I used to enlarge the plans would only do BW. I need to ask K Close to help me with the pictures, I dont know how to do it yet. But it will be soon.
Thanks a lot, Patrick |
Originally Posted by Ryan Flyer
(Post 686241)
I painted it because the copy machine I used to enlarge the plans would only do BW. I need to ask K Close to help me with the pictures, I dont know how to do it yet. But it will be soon.
Thanks a lot, Patrick |
So I took the Avro out this evening. I had been windy all day but it was finelly calm so I threw it. I had had a hard time getting the cg right and had to add a lot of clay to the nose. Anyway It flew! It was still tall heavy so it was hard to controle and because I had the add somuch clay to the nose it did not climb well and I thought it might not make it over the trees so I chopped the throttel but this was a mistake and it did not glid and hit the ground at about a 45 degree angel. It was not to badly hurt so I just need to get the cg right and it should fly good.
Thanks for all the help every one, Patrick |
Originally Posted by Ryan Flyer
(Post 686413)
So I took the Avro out this evening. I had been windy all day but it was finelly calm so I threw it. I had had a hard time getting the cg right and had to add a lot of clay to the nose. Anyway It flew! It was still tall heavy so it was hard to controle and because I had the add somuch clay to the nose it did not climb well and I thought it might not make it over the trees so I chopped the throttel but this was a mistake and it did not glid and hit the ground at about a 45 degree angel. It was not to badly hurt so I just need to get the cg right and it should fly good.
Thanks for all the help every one, Patrick |
The avro did not really brake the wings just came off and the prop broke.
Pull pull would be a good idea but it is harder the build. I made lighter push rods but I still think I am going to have to do more to get the CG right. Anyway it is almost fixed so I will have more updates soon. Patrick |
Pat, you should have called me, I would have tossed her for you ( I'm off today-yea) I'll call tomorrow and see if I can't help with the cg and get your parts order.
Cheers, K PS. Riley's Camel is comeing along well. / hijack over //slashies:rolleyes: |
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