Extreme Flight 87" Yak 54 - Build & Fly
04-24-2005, 03:11 PM
#4426
My Feedback: (2)
Join Date: Apr 2002
Location: Independence,
KY
Posts: 638
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
ORIGINAL: flatlandmike
work for the local hobby shop
buy a piece at at a time save up enough for a DA50 then save up for the air frame...
work for the local hobby shop
buy a piece at at a time save up enough for a DA50 then save up for the air frame...
Save the money, have your parents invest it or something (or just hide it from you) and then buy it all at once, and get the latest and greatest of everything (within reason) 
04-24-2005, 03:57 PM
#4427
My Feedback: (17)
Join Date: Oct 2003
Location: lexington,
KY
Posts: 1,228
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
BbriBro i wish i had the self control to save the money for the all at once buy option but i am weak 
and i don't fully agree with you conclusions of DA50R but thats kool too i can see where your commin from
ps: i suggested the DA50r buy first because it can always be sold with almost no lose if your mind gets changed
and i don't fully agree with you conclusions of DA50R but thats kool too i can see where your commin fromps: i suggested the DA50r buy first because it can always be sold with almost no lose if your mind gets changed
04-24-2005, 05:48 PM
#4428
Member
Join Date: Feb 2005
Location: Guelph, ON, CANADA
Posts: 44
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
What are some of the finished weights with the pipe? Mine is looking to be around 16lb. 2oz with the pipe and appears it may be tailheavy or close to it with the CG at the rear location.
04-24-2005, 06:49 PM
#4429
RE: Extreme Flight 87" Yak 54 - Build & Fly
I took a few liberties with my Yak---
The reason being that I need to 13% (at least )lighter than a sea level setup -just to be in same ball park .
At 4350 ft--- you give up lift AND power .
So I swapped out wheels and landing gear and eliminated wheelpants.
Also went to lighter tailwheel and eliminated both rear elevator servos -
The single elevator servo sets just aft the rudder servo -and is run by a CF pushrod with ball ends to a elevator horn -sorta like a controline setup but removeable and far more sturdy .
This chops about 6 oz from the stabilizers - plus eliminates the big servo/extension leads etc..
I don't recommend this unless you have some time in grade at making this type stuff.
All up weight looks to be 15 lbs or therabouts -will have precise weightthis week.
The ZDZNG50 has a J shaped header and full length is a AMT 50 , which weighs 10 ounces.
Prop is a JAS23x8-which turns in low 7000 rpm range.
The model is very nice -mine is a basic white -with a scale green/orange /white scheme and a heavily smoked canopy .
also a scale shaped main and tail gear -just for the helluva it
Also the prop is way ahead of the cowl, per scale setup.
servos - 8611 for rudd+elev- 8411's for wings .
I will stick a couple of pictures here as soon a it is finished -should be this week.
The reason being that I need to 13% (at least )lighter than a sea level setup -just to be in same ball park .
At 4350 ft--- you give up lift AND power .
So I swapped out wheels and landing gear and eliminated wheelpants.
Also went to lighter tailwheel and eliminated both rear elevator servos -
The single elevator servo sets just aft the rudder servo -and is run by a CF pushrod with ball ends to a elevator horn -sorta like a controline setup but removeable and far more sturdy .
This chops about 6 oz from the stabilizers - plus eliminates the big servo/extension leads etc..
I don't recommend this unless you have some time in grade at making this type stuff.
All up weight looks to be 15 lbs or therabouts -will have precise weightthis week.
The ZDZNG50 has a J shaped header and full length is a AMT 50 , which weighs 10 ounces.
Prop is a JAS23x8-which turns in low 7000 rpm range.
The model is very nice -mine is a basic white -with a scale green/orange /white scheme and a heavily smoked canopy .
also a scale shaped main and tail gear -just for the helluva it
Also the prop is way ahead of the cowl, per scale setup.
servos - 8611 for rudd+elev- 8411's for wings .
I will stick a couple of pictures here as soon a it is finished -should be this week.
04-24-2005, 06:52 PM
#4430
My Feedback: (115)
Join Date: Sep 2002
Location: Roanoke,
VA
Posts: 124
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
Dick, are you going to get rid of the landing gear and wheel pants? I need both, as I busted a wheel pant and I also busted the landing gear when drilling them.
Thanks
Jon
email me at [email protected]
Thanks
Jon
email me at [email protected]
04-24-2005, 07:04 PM
#4432
My Feedback: (115)
Join Date: Sep 2002
Location: Roanoke,
VA
Posts: 124
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
www.graphtechrc.com is working on CF gear, as I have also inquired. He said that as soon as he had them made that he would list them on the site. I haven't seen them yet, but I am awaiting them also.
Jon
Jon
04-24-2005, 07:13 PM
#4433
RE: Extreme Flight 87" Yak 54 - Build & Fly
Iwill sell both the gear and pants -neither has even been mounted
Just find out what Chris gets for them -That price is fine with me .
My gear is a few ounces lighter from hard aluminum - I made the gear/tailwheel and elevator horn myself -
E-Mail me privately or post privae message here .
Just find out what Chris gets for them -That price is fine with me .
My gear is a few ounces lighter from hard aluminum - I made the gear/tailwheel and elevator horn myself -
E-Mail me privately or post privae message here .
04-24-2005, 07:17 PM
#4434
My Feedback: (115)
Join Date: Sep 2002
Location: Roanoke,
VA
Posts: 124
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
I have no idea what he sells them for? Shoot me a price. Bodyworks may need them worse than me, as mine are still functional, but busted.
Jon
Jon
04-24-2005, 07:54 PM
#4436
RE: Extreme Flight 87" Yak 54 - Build & Fly
They seemed to break too easily, IMO. My landing wasn't hard, maybe just a little sideways from the crosswind. I was shocked when the gear just snapped, so I am trying to get anything close in CF, but I will get a stock gear from Chris if I cannot find anything.
04-24-2005, 08:06 PM
#4437
Senior Member
Thread Starter
My Feedback: (11)
Join Date: Aug 2003
Location: Glenview,
IL
Posts: 973
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
ORIGINAL: bodyworks
Maiden flight today...had mild gusty winds and a storm a brewin', but the winds were not as heavy as yesterday. I couldn't wait any longer so I headed out. Takeoff was uneventful and I could tell right away that it was a KITE! Once in the air the winds were so choppy that trimming was out of the question, so I just got it as good as I could and started flying. I am going to have some serious fun with this plane once I get the engine broken in and some bugs worked out.
The only real bug I encountered was the engine tending to want to die when pulling level from a downline...I seem to remember some talk about this, but don't remember the cause or cure - can anyone help me out????????????
Anyway, I decided to bring her in and had a pretty decent crosswind. Instead of trying to crab it, I cam in at an angle (directly into the wind) until just before touchdown. So I pointed it down the runway and touched down. I don't know what happened, but the right gear leg folded back, causing me to bust my prop and scrape the right wing. It must have been a fluke or I struck something on the runway or something cuz the landing wasn't that bad...oh well - a new prop, gear, and some covering and I'll be back in the air. I can't wait for some perfect weather to get this thing set up, cuz it's gonna be an awesome flyer!
BTW, with the DA muffler, and my RX battery already hanging off the front of the engine box it still flies tailheavy - not by feel, but by observing knife edge. My only option may be (nasty word) lead!
Maiden flight today...had mild gusty winds and a storm a brewin', but the winds were not as heavy as yesterday. I couldn't wait any longer so I headed out. Takeoff was uneventful and I could tell right away that it was a KITE! Once in the air the winds were so choppy that trimming was out of the question, so I just got it as good as I could and started flying. I am going to have some serious fun with this plane once I get the engine broken in and some bugs worked out.
The only real bug I encountered was the engine tending to want to die when pulling level from a downline...I seem to remember some talk about this, but don't remember the cause or cure - can anyone help me out????????????
Anyway, I decided to bring her in and had a pretty decent crosswind. Instead of trying to crab it, I cam in at an angle (directly into the wind) until just before touchdown. So I pointed it down the runway and touched down. I don't know what happened, but the right gear leg folded back, causing me to bust my prop and scrape the right wing. It must have been a fluke or I struck something on the runway or something cuz the landing wasn't that bad...oh well - a new prop, gear, and some covering and I'll be back in the air. I can't wait for some perfect weather to get this thing set up, cuz it's gonna be an awesome flyer!
BTW, with the DA muffler, and my RX battery already hanging off the front of the engine box it still flies tailheavy - not by feel, but by observing knife edge. My only option may be (nasty word) lead!
04-24-2005, 08:18 PM
#4438
Senior Member
Join Date: Oct 2004
Location: so. barrington,
IL
Posts: 429
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
Drew, at Larry's i thought i was a bit tail heavy because when i went inverted the YAK climbed...otherwise it felt pretty good. It was not until i got to fly it in a bit less wind that i discovered it only needed one click of up trim.....fixed my inverted climb condition....duh!
04-24-2005, 08:55 PM
#4440
Senior Member
Thread Starter
My Feedback: (11)
Join Date: Aug 2003
Location: Glenview,
IL
Posts: 973
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
ORIGINAL: Ontariomystic
Drew, what does your Yak weigh?
Drew, what does your Yak weigh?
04-25-2005, 10:11 AM
#4442
Senior Member
Join Date: May 2003
Location: Atlanta, GA
Posts: 1,012
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
I hope to have the video tonight of the E-Yak flight. Here is some eye candy as an appetizer.
My AUW Electric came to 14 pnds. 12 oz. It is extremely light on the wings. Very cool to have it this light, but Chris said he was having to power through the waterfalls as their wasnt enough weight to carry it around. At 15.5 pounds, this plane lands like a trainer. At 14 and some change it is just sick.
My AUW Electric came to 14 pnds. 12 oz. It is extremely light on the wings. Very cool to have it this light, but Chris said he was having to power through the waterfalls as their wasnt enough weight to carry it around
. At 15.5 pounds, this plane lands like a trainer. At 14 and some change it is just sick.
04-25-2005, 10:25 AM
#4444
Senior Member
My Feedback: (4)
Join Date: Dec 2001
Location: Bloomington, IL
Posts: 6,378
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
I spoke with Caroline from Carden and she is going to make a cover specifically for the 87" Yak.
These things are made of stretchy material and do wonders for protecting the plane from the sun.
I dont know how much yet but I will post back after I get mine with how much I paid.
These things are made of stretchy material and do wonders for protecting the plane from the sun.
I dont know how much yet but I will post back after I get mine with how much I paid.
04-25-2005, 11:15 AM
#4445
RE: Extreme Flight 87" Yak 54 - Build & Fly
here is a header setup I made this morning -couldn't wait on the store bought one -
On the AMT tuned pipe I am using I run from 7150 to 7750 rpm on 23x8 to -22-8 props .
kinda overkill but should be a blast.
We start paint tomorrow
Me and my spray bombs---
On the AMT tuned pipe I am using I run from 7150 to 7750 rpm on 23x8 to -22-8 props .
kinda overkill but should be a blast.
We start paint tomorrow
Me and my spray bombs---
04-25-2005, 11:35 AM
#4447
Senior Member
My Feedback: (4)
Join Date: Jul 2002
Location: East Brunswick,
NJ
Posts: 390
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
Dick,
are you planning on doing anything about protecting the servos from the heat rising from the header?
I'm not even sure you need to do anything but I didn't like mine being so close to the header.
So I wrap it up with some insulation.... the bottom part of it.
What are your thoughts on this?
Thanks,
Stratos.-
are you planning on doing anything about protecting the servos from the heat rising from the header?
I'm not even sure you need to do anything but I didn't like mine being so close to the header.
So I wrap it up with some insulation.... the bottom part of it.
What are your thoughts on this?
Thanks,
Stratos.-
04-25-2005, 12:02 PM
#4448
Join Date: Jun 2004
Location: Orlando, FL
Posts: 685
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
Wayne,
That sun cover from Carden is great. I use it on my 33% and 42%. It is not cheap. but it works very well to protect against "sun blisters" [8D]. I will get one when I receive my Yak
That sun cover from Carden is great. I use it on my 33% and 42%. It is not cheap. but it works very well to protect against "sun blisters" [8D]. I will get one when I receive my Yak
04-25-2005, 01:25 PM
#4450
Senior Member
My Feedback: (21)
Join Date: Jan 2004
Location: Scottsville,
KY
Posts: 1,242
Likes: 0
Received 0 Likes
on
0 Posts
RE: Extreme Flight 87" Yak 54 - Build & Fly
Dick, how far did you pull the motor out past stock for the more scale look? Might be the best option for the KS1060 pipe instead of mounting everything on the motor box.
