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HelicopterScale Model RC Helicopters › Yes Virginia, it's ANOTHER Airwolf build
12-17-2013 12:38 AM  3 years agoPost 1
ssmith512

rrKey Veteran

Indianapolis, IN USA

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I know, I know, I know, another Airwolf build. Hopefully you guys dont mind. Being a child of the 80's, I promised myself I would have an RC Airwolf one day, and I have decided to give it at try, and wanted to share my first scale build. After spending weeks reading the Scale threads and absorbing as much as I could, I decided to give a scale a try. I must admit, I have not been this motivated in a long time. I am having a tremendous amount of fun, and the build has just barely started! Bear in mind, this will be a "sport scale" build. My goal is to use this build to learn and sharpen my skills with the hope of moving onto my next dream, and that is a full blown scale build of a local UH-1H here in town stationed at the local airport. I appreciate you letting me into your world and will gladly take any advice, suggestions and/or constructive criticism. Anyway, on to the build!

Quick specs:

Century 600 Airwolf
Trex 600N mechanics that I am converting to electric and will keep the clutch (for that super awesome poor mans turbine start up! LOL)
6S power
Hyperion 740kv motor
CGY750 FBL unit
CC Talon 90 ESC
Spin semi-symmetrical 620mm main blades

It's your basic Century prepainted Airwolf (600 size)

mocking up the rails....

My good friend Winchester helped with holding the floor down while the Hysol 9462 dried.....

Speaking of Hysol 9462, that stuff is the shiznit. Cant comment on its performance as of yet, but its workability was simply aswesome. Stays put where you put it, and "fillets" easy. I likey likey!

Floor all glued in. 3/16" birch ply. Glued to the fuse floor AND to the fuse sides. Ties the whole fuse together. My solution on preventing the nasty harmonics I have read about....

Also glued a ply former to the top front of the fuse. This area will be modified for battery access later and wanted the area reinforced....

Mechanics mockup. Yea it fits!!!!!!

And finally worked a bit on the retracts. Took the Funkey units apart, greased them up, enlarged the rod exit hole a tad (to prevent off-axis binding). Scrapped the Century links and balls and replaced them with standard Align links and balls. Mucho better. They now are super smooth working units. Still need a tad more modification so the aluminum "struts" fit a little better. I'll document all that in the next update....

Next on the list is finishing up the retracts and start on getting the fuse openings cut for the tail. Looks like I am gonna have to do some grinding on the trex tail box to get it to fit in the fuse.

Till next time!

Steve

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12-17-2013 12:48 AM  3 years agoPost 2
epryor

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Grandview mo,

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Where did you buy the landing gear from?

Batman - Scale it up

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12-17-2013 12:59 AM  3 years agoPost 3
ssmith512

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Indianapolis, IN USA

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Where did you buy the landing gear from?
Smart Model.

http://www.smartmodel.com.hk/

Steve

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12-17-2013 01:07 AM  3 years agoPost 4
doorman

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Sherwood, Arkansas

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Great Start!!

Steve, welcome to the scale side of heli's... also known as the darkside
Sounds as if you have a good helper too.. that always mskes a build even more fun!!
You need not worry about the hysol.. the "stuff" just works....
Nicejob on the retracts too.. were the struts part of tge kit??
Keep those build pics coming...
Hope to see you at the NATS or IRCHA in 2014

Stan

AMA 2918-Team JR, Spin Blades, East Coast Scale Helicopter,Castle Creations

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12-17-2013 01:15 AM  3 years agoPost 5
ssmith512

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Indianapolis, IN USA

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Great Start!!
Steve, welcome to the scale side of heli's... also known as the darkside
Sounds as if you have a good helper too.. that always mskes a build even more fun!!
You need not worry about the hysol.. the "stuff" just works....
Nicejob on the retracts too.. were the struts part of tge kit??
Keep those build pics coming...
Hope to see you at the NATS or IRCHA in 2014
Thanks!

The retract "struts" did not come with the kit. I added those. Just didnt like the stock wire struts.

If I can convince the boss to give me a few days off, I am already planning on being at the NATS and IRCHA (I am only 40 minutes away from Muncie and the AMA site - I have no excuse NOT to be there! LOL!)

Steve

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12-17-2013 01:44 AM  3 years agoPost 6
epryor

rrApprentice

Grandview mo,

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Those are nice, I went to SmartModel site and why is it nobody make 700 size landing gear for the Bell 222 except Vario?

Batman - Scale it up

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12-17-2013 02:06 AM  3 years agoPost 7
Mojave

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Palos Verdes, Ca.​USA

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Very cool, welcome to the world of scale! It doesn't matter if it's an airwolf, or a Bell47, as long as it turns you on Which is why I'm still trying to figure out a way to build one of these...
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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12-17-2013 03:45 AM  3 years agoPost 8
Keygrigger

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Mississauga, Ont.​Canada

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I am about to deliver the Airwolf I have been working on for a very long time. Other projects do push it back but this past weekend was devoted to finishing it off. About a good year a bit ago, I started it and it has taken this long to get the doghouse replaced and refinished as it was destroyed by resonance. I would suggest that you add a former in the body right where the doghouse mates to it. There is a lot of flex in that area and the former will really stiffen the body up a lot. In two of my Century builds, I have added a full floor to add a lot of strength to the flooring and to give the hardware something substantial to put pressure against. It does look impressive in the air, that is for sure. Take care.

Don

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12-17-2013 12:32 PM  3 years agoPost 9
Copter Doctor

rrProfessor

Enterprise/ft.rucker​,al- home of army​aviation

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Everyone has got to have an airwolf at east once, I have number three, my 1st one from back in the early 90's and now my 50 size century that has been flying for about 5 years.
here are some inspiration shots of mine for you from a fellow airwolf fanatic and welcome to the scale side of heaven

drive a rotary, fly a rotorcraft

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12-18-2013 03:23 PM  3 years agoPost 10
whippo

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ingalls, in - usa

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i really like the storms in the rockies! you might too if you go back one photo from the first one posted ;-) nice build steve look forward to seeing this thing maiden be sure to email the club when you decide to. i knew you were up to something when you started looking for an old fbl

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12-18-2013 06:06 PM  3 years agoPost 11
Keygrigger

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Mississauga, Ont.​Canada

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Here's a shot of the one I built ready to go to the shop. Hurray, it's out of my hair.......for now.

Don

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12-18-2013 07:28 PM  3 years agoPost 12
ssmith512

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Indianapolis, IN USA

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Looks good Keyrigger!

Did you install nav lights? I keeping going back and forth about working nav lights. Since I only in the daytime, I am not sure what "bonus" they would add?

Steve

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12-18-2013 07:29 PM  3 years agoPost 13
ssmith512

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Indianapolis, IN USA

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here are some inspiration shots of mine for you from a fellow airwolf fanatic and welcome to the scale side of heaven
Thanks Copter Doctor!!! Love the inflight pics! Only 3 Airwolfs?!?!?!

Steve

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12-18-2013 07:31 PM  3 years agoPost 14
ssmith512

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Indianapolis, IN USA

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Which is why I'm still trying to figure out a way to build one of these...
Hey if two geeks in the 80's can build a Kelly Lebrock, I think you can manage to figure something out!

Steve

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12-18-2013 07:33 PM  3 years agoPost 15
Keygrigger

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Mississauga, Ont.​Canada

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No, no navigation lights as they weren't on the table to be installed. The only one that presents a challenge is the low tail positional light as the fin is very thin where the housing sits and will only allow wires to be run through there. It makes for a tough install but when done, they look great. It doesn't help that the lens they give you is solid so you end up making your own tail light cover or just going bare bulb. Take care.

Don

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12-21-2013 09:38 PM  3 years agoPost 16
ssmith512

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Indianapolis, IN USA

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Managed to squeeze some more build time in since last weekend. Worked on the retracts today. They have been a bit of a tough nut to crack. The oleo struts I purchased to replace the wire gear would not allow for the wheels to be fully retracted into the wheel wells due to the trailing arm design. Also the main retracts are wider and longer than the wheel well openings in the body, so at first they wouldnt even fit. Cant have wire landing gear on an Airwolf and cant have wheels sticking way out of the wheel wells, so time for some modifying and geometry (I hate geometry!!)

First modifying the Funkey retract units...........

Here is the original unit....

And here is the modified unit.....

The modified unit allows the new oleo struts to be shoved further toward the retract unit. I also drilled the pushrod guide hole slightly larger. The larger pushrod guide hole allow the pushrod to have more side to side freedom and helps prevents binding.

Here is the position of the oleo struts before modifications. You can see the relationship of the wheel axle to the retract unit. In this position, the wheel only retracts in the wheel well less than half way. Ugh..........

Here is the modified unit. Again, note the relationship of the wheel axle to the unit. I am still unable to get the wheel fully into the wheel well, but I am satisfied with the results...

Here we see the modified pushrod and the modified oleo mounting pin to give me as much angle in the dangle as I could get without interference....

And finally reworking the wheel wells to make them larger for the modified oleo struts......

I am not showing the front retract as it required very little modification, mostly opening up the wheel well to allow the larger oleo strut to fit. I am REALLY wanting to add a sequenced retract door for the front to mimic the full size, but access in that area of the fuse is proving to be VERY difficult. I may have to abandon that idea, which is a bummer, but I am just not sure how I can get my hands and tools in there to mount doors, hinges, servos, pushrods, etc. and be able to adjust as necessary when in place. Been playing around in that area, but the light bulb hasnt gone off in the head yet with the solution. Gonna shelve that idea for now.

Probably will start working on the custom motor mount and getting the electric motor mounted to the nitro clutch after the Christmas.

Till next time!

Steve

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12-21-2013 09:56 PM  3 years agoPost 17
Keygrigger

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Mississauga, Ont.​Canada

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To the best of my knowledge, the rear wheels do not fully retract into the pod and if what you have got in that picture is where you are now, don't mess with it, lol. Looks great.

Don

PS: Further to that, I have seen pictures of the wheels fully inside and hanging down slightly. There seems to be two distinct gear arrangements that I have found. The one with no air dam on the bottom seems to be fully retracted while the few pictures I have seen where the wheel is exposed, there is an air dam/guide on the bottom of the pod.

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12-21-2013 10:46 PM  3 years agoPost 18
Mojave

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Palos Verdes, Ca.​USA

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Looks good, well thought out mod. I would use this smaller airwolf as a stepping stone to a bigger one, then you can fully plan out the sequenced gear doors and have plenty of room to work.
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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12-22-2013 02:35 AM  3 years agoPost 19
ssmith512

rrKey Veteran

Indianapolis, IN USA

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Thanks guys!

Don, I too have seen two different gear configurations, but I havent seen Airwolf with the wheels still exposed. Regardless, this is a "sport scale" venture for me, and I am happy with the results.

Barry,

I think my next scale venture will have skids. LOL!

Steve

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12-22-2013 12:32 PM  3 years agoPost 20
Copter Doctor

rrProfessor

Enterprise/ft.rucker​,al- home of army​aviation

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hope these pics help. while the main gear has no door covers, the nose gear does and the well doors sequence meaning they close after the gear has been retracted and extended. getting the sequenceing done on mine I used an old servo, a spring and a microswitch and it works perfect every time

Watch at YouTube

drive a rotary, fly a rotorcraft

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HelicopterScale Model RC Helicopters › Yes Virginia, it's ANOTHER Airwolf build
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