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Fokker DRI Build Along

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Old 08-27-2011, 12:44 PM
  #726
roncannell
 
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Default RE: Fokker DRI Build Along

Had the new Triplane up again this morning. It flys great. I did however have a hard landing that bent my axle. I will call BUSA monday to see if they sell just the landing gear wire. Meanwhile I borrowed the gear off my Red DR1 so I can fly Monday. The hard landing was a result of not flying it all the way to the ground. At about six feet AGL I chopped all the power and my down trim I need for full power straight and level is not necessary for power off flight. Pilot Error!

Electric DR1
There was another Dr1 at the field this morning, a 1/4 scale Electric. The owner purchased from Craigslist and was not sure of its origin. It was not a BUSA. My guess was that it was a Nick Ziroli design. It was more scale than the BUSA. Very narrow gear,small Rudder etc.[:-]
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Old 08-27-2011, 08:31 PM
  #727
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Default RE: Fokker DRI Build Along

Well t least it wasn't too bad in the damage department, thankGod..

I myself just broke my Landing gear solder joints last weekend. For the first time in 2 years My Zenoah decided to start dieing in the air, I thought maybe my choke got flipped on so I hit the choke button quick and it killed the engine immediately LOL so I was about 30 -40 feet up and 50 - 60 yards out over the high corn field and barely moving, but I was able to keep a very shallow dive on her and just reached the end of the corn and she plopped down nose heavy and the front of the wheels hit the runway as the tail was almost resting on the corn stalk LOL Talk about just getting there.. but that was the only damage just to the axels,, nothing bent and the prop didn't even crack but all the solder joints let go I just can't get those solder joints to stay on, anyway its the 3rd or 4th repair on them I even used JB weld the last time and that broke free. I don't know why the engine started slowing down like that either, but some friends on another thread gave me some areas to start checking as this is my first gasser.
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Old 08-28-2011, 03:46 PM
  #728
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Default RE: Fokker DRI Build Along

After seeing this picture of my "NO Flare" landing I was amazed at how much the axles flexed. I was lucky to not have more severe damage.
The second picture shows the gear as I took it off the plane. So the axle flexed and rebounded much more than I would have ever imagined it would.
It could have been worse.
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Old 08-28-2011, 06:37 PM
  #729
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Default RE: Fokker DRI Build Along

Arg, I was checking out your suspension for the DR1. Does it work well?
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Old 08-28-2011, 06:42 PM
  #730
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Default RE: Fokker DRI Build Along

Fritz, put an Electric Triplane picture up for ya.
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Old 08-28-2011, 06:54 PM
  #731
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Default RE: Fokker DRI Build Along

well Ron,
you AR guys not only build fast, but you also manage to save one of the worst landing too.
is the axle on your latest DR1 the wire that was supplied in the kit?

personally i'd can it and use 1/4" rod and set the undercarriage up like the ones we use on our Proctor models.

that is a beautiful job you did too........it's enjoyable to see and talk to other builders these days.
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Old 08-28-2011, 06:59 PM
  #732
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Default RE: Fokker DRI Build Along

I am not familiar with the Proctor set up, but I am interested. I was planning on calling BUSA for replacement wire tomorrow. For now I borrowed the gear of my Red DR1 so I could fly tomorrow.
Summerwind, I will go back and find pictures of your gear.
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Old 08-28-2011, 07:05 PM
  #733
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Default RE: Fokker DRI Build Along

in my N28 build thread we posted these pictures......should give you an idea of what will work. the biggest mistake some make is by not having the bungee tight enough......
use one axle in a tube box with the axle held down to the bottom of the box in the center. the outer ends of the axle are held down with bungee wrapping and will give enough to absorb shock as the axle needs to move upward in the box.............it's minimal parts and weight.

http://www.rcuniverse.com/forum/fb.asp?m=8589676
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Old 08-28-2011, 07:08 PM
  #734
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Default RE: Fokker DRI Build Along

let me know........i'll do a breakdown of the under carriage and shoot some pictures to show what simple items i used for bungee anchors (8/32x1.5" bolts and simple blind nuts).............only thing you will need to do is modify the ends of the wire struts so they can be bolted in, or use the aluminum airfoiled material that K&S sells. a bit more work, but more forgiving undercarriage.
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Old 08-28-2011, 07:11 PM
  #735
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Default RE: Fokker DRI Build Along

That looks very nice Summer, I would like to order one from ya. Will $50 cover it? [8D]
Thanks for the pictures, I may just make a set like that.
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Old 08-28-2011, 07:33 PM
  #736
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Default RE: Fokker DRI Build Along

go back and look at chevelle's method too..............the nice part is that you can service the axle at the field. if it gets bent at the ends, you can replace it within a 30 minutes at the field.

BTW, your buddy shoots some nice pictures............what camera is he using?
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Old 08-28-2011, 09:05 PM
  #737
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Default RE: Fokker DRI Build Along

I am not sure of the Camera. Phil reads this thread so maybe he will see this and post some info. Hopefully we will get some Tripe flights in tomorrow.
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Old 08-29-2011, 05:11 AM
  #738
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Default RE: Fokker DRI Build Along

Ron,

I'll be back out on Monday so hopefully we can get a few more pictures!


Summerwind,

Reference the photos I took I use a Canon 50D with a Canon 100-400 4.5-5.6L Lens. I saved for a long time to buy the lens which is known for being a great "Airshow" type lens.

Phil
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Old 08-29-2011, 05:23 AM
  #739
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Default RE: Fokker DRI Build Along

LOL Phil, we both shoot with the same gear.
i bought a 50D over a year ago and have been amazed with it's high ISO quality.........then again i started in Photography back when the D60 was in demand and 250MB cards sold for only 150bucks[:@].........anything over ISO 400 and it was noise city.
the 100-400 is my most used lens and is built to much better quality today than it was 8 years ago.
anyways, you're a helluva shooter[8D]
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Old 08-29-2011, 05:34 AM
  #740
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Default RE: Fokker DRI Build Along

Quote:
ORIGINAL: summerwind

LOL Phil, we both shoot with the same gear.
i bought a 50D over a year ago and have been amazed with it's high ISO quality.........then again i started in Photography back when the D60 was in demand and 250MB cards sold for only 150bucks[:@].........anything over ISO 400 and it was noise city.
the 100-400 is my most used lens and is built to much better quality today than it was 8 years ago.
anyways, you're a helluva shooter[8D]
Thanks for the compliment!

My first camera was some Sony thing that was just under 1 megapixel and took a floppy disc.. You could get about 18 photos per disc.

Here is a full scale photo taken at a local event with my current setup, the Open House at Mesa's Falcon Field.. You can get rides in this one for a small wad of cash.

These WWI planes are quite photogenic. I will likely choose one of the Balsa USA Kits for my next project.

Phil
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Old 08-29-2011, 09:02 AM
  #741
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Default RE: Fokker DRI Build Along

I did mine similiar to Chevelle but modded it some-works great and really smooooooooths out the touchdown and rollouts. This plane lands the most scale of anything I have ever flown with these gear mods.
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Old 08-29-2011, 09:50 AM
  #742
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Default RE: Fokker DRI Build Along

Gilmore do you have some Pics for referance? I would like to see it.
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Old 08-29-2011, 10:03 AM
  #743
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Default RE: Fokker DRI Build Along

Flew the Tripe today. Both flights were nice with SOFT landings today.
Phil, put it through the aerobatic paces. {I will stick to my Ultimate Bipe for aerobatic flight}

The day started interesting, I was getting Radio interferance on my JR2.4. I would start the plane and it would die. I noticed that I could hear the Throttle servo move without input. So we pulled the Cowl and sure enough the throttle servo was glitching. I called Phil over and he said that the spark plug wire was not fully pushed on. This was throwing a long spark interfering with the Radio. I'm glad Phil spotted this or I would have been shipping in my Radio to JR for repair for nothing. I believe this is what probably killed the engine on final leading to my hard landing. NTSB has not confirmed this but I feel better about this theory.

Denis took some video today so hopefully I will have it availible.

Phil took some more Pics and they are always great.
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Old 08-29-2011, 12:10 PM
  #744
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Default RE: Fokker DRI Build Along

I have to say that Balsa USA has the nicest customer service people I have ever talked to. I called to order the wire to build new gear and was pleasantly surprized to find out that it was only $10. So I ordered two sets and will build a spare. Even when I have called Balsa usa because I screwed something up in a build, they have sent replacment wood for only the cost of shipping. Dave Lewis and the gang are great people. Our local hobby shops act like they are ticked off that you had the gall to stop and try and buy something.

I will begin working on the Suspension mod also.
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Old 08-29-2011, 01:35 PM
  #745
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Default RE: Fokker DRI Build Along

Anyone aware of a good Tutorial on Silver Soldering? My construction Soldering is very inconsistent.
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Old 08-29-2011, 04:12 PM
  #746
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Default RE: Fokker DRI Build Along

Ron,

Thanks for the stick time! I was a little apprehensive to fly a tri-plane but after doing so I am glad I did. Tri-Planes definitely have a difference feeling to them! Now I know I will build something WWI for my next kit. Now....Which one?

I think the photos from the first day are a little better... The clouds of that day add to the picture. Despite that here are todays photos.

Phil
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Old 08-29-2011, 04:44 PM
  #747
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Default RE: Fokker DRI Build Along

Phil, you do nice work. I ordered a Xoar WW1 prop today. Dave at busa said they work well.
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Old 08-29-2011, 07:09 PM
  #748
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Phil, I am considering the D7. Pros are that it has no flying wires. Cons, it is a little heavy at 20lbs for 1/4 scale. I am ready to order my next Busa kit as well. I am also having trouble deciding. The Sop Pup is beautiful, but the wings are held on by wire. I like to keep set up at the field to about 10 mic or less. I will go back and look at the N28. Summerwind did a Proctor N28. Looked like museum quality work to me.
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Old 08-29-2011, 07:47 PM
  #749
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Default RE: Fokker DRI Build Along

Awesome pics !!!! very nice.

I have to say I used to solder very well but I can't get the landing gear solder to stay at all, the cabanes came out fine but I imagine if I landed on the wings they would give too,
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Old 08-29-2011, 08:07 PM
  #750
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Default RE: Fokker DRI Build Along

Ron, after 7 years you finally got me to join this forum. I am sure my nights will go WAY into the wee mornings ours now. LOL

My wife offered to buy me a new plane for my birthday.WOW.I was looking at a aNitro Planes T-28 1400mm foamy but I figureditwould be very common at our clubby years end. I keptlooking around wanting to replace my crashed BH T-28 Trojan andhappend across a DR1 via Craigs List. I had NO IDEA of the scale of this beauty; lucky me!

I put a Hacker A60-22 217kvup front and eventuallythrowing a 22*6 prop on 8S2P 8000 mah batteries. She is a beauty in the air BUT I had no idea scale meant almost impossible to not nose over taking off AND landing. I will learn to respect the bird or sell it to someone that can, she is too pretty to tear up.

Per Rons advise, I am probably going to be moving the wheels forward about 3 inches and maybe 5-6 inches wider and Ron suggested I lower it too. This is a real bear to take off and land and $25 props will definately limit my number of flights. LOL

I have a question. The top wing on my Dr.1 (Nick Ziroli, we think) has a negative incidence. I read today (at work - shhh) that this can be done to not climb under power, it doesn't, but is this "normal" or should I set it at least at zero? Anyone know? I attached a pic that sorta shows the incidence. Would a zero incidence help me from nosing over some?

Being this is my first post Iam struggling to load a pic. Picture at: fmxramps dot com/RC/DSC02453.jpg

Thx,
Rick
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