RunRyder RC
 31  Topic Subscribe
WATCH
 25 pages [ <<    <     5      6     ( 7 )     8      9     NEXT    >> ] 33467 views
HelicopterScale Model RC Helicopters Docs  Airwolf Turbine - My Build
10-02-2015 02:31 PM  26 months agoPost 121
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

Thanks guys!

Tim, you're right! I guess that is why I am enjoying this as much as I am. My mind is always racing, thinking about some step or solution. Good for for the brain for sure.

Stan, Good to know that as I progress, I will be able to save money on the "mistake Vodka" LOL!!!

Don, The mistakes are what make us better right?

Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-10-2015 05:05 PM  26 months agoPost 122
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

Well, I think I have my exhaust finally finished. YEA!!!!!! I am leaving the exits long, as I will trim them to the doghouse lines once I start on the body work this winter. But for right now and for a couple of quick test flights, she is in pretty decent shape. It's no TamJets special, but I am pretty happy with the result. Must give some VERY special thanks:

Peter Wales - for pointing me to Zimmerman for the pre-fab pipe

Rick - Holy cow what a great guy! Doesnt know me from a hole in the wall and he graciously shipped and lent me his home built spot welder. He and his DIY talent saved the day.

And of course the scale community for constant advice.

Let me tell you, couldnt have done this without you guys!

Main mounting brackets that do all the work are .030" stainless, rear tabs are .007" and simply keep the exhaust from rotating. I kept a 6mm air gap all around the Jaka outlet. Rear exit pieces that go through the body will be double wall as you can see in a couple of pics. I am considering wrapping the section of exhaust that is not double wall with racecar type exhaust header tape. Will do some tests and see what the interior temps are and will decide on that later.

Pics!!!


















Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-11-2015 01:40 AM  26 months agoPost 123
Keygrigger

rrVeteran

Mississauga, Ont. Canada

My Posts: All  Forum  Topic

Nice work. Keep it up.

Don

PM  EMAIL  GALLERY  Attn:RR  Quote
10-11-2015 07:55 PM  26 months agoPost 124
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

Full exhaust system test. Hard to see in the video, but at full throttle the exhaust system has more movement than I would like. I will be stiffening up the upper braces. Other than that, it seemed to work perfectly. I noticed the EGT were lower at full throttle than at idle. Pipes were definitely hot, but not nearly as hot as I thought they would be. So I guess it works! Assuming I can get good airflow through the fuse, I dont anticipate any "extreme" heat issues. SWEET!

Watch at YouTube

Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-11-2015 09:29 PM  26 months agoPost 125
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

Been busy with stuff - mainly concentrating on the exhaust, so not much of an update.

Added some nice thin heat reflective matting to fuel tank......


And then I got all emotional..........it is starting to kinda look like a helicopter!!


Getting close to seeing air under the landing gear. I think most of the big mechanical stuff is finally done. Just lots little things left to go now to get it ready for its first flight, and then it is maximum pucker factor time!

Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-12-2015 12:29 AM  26 months agoPost 126
doorman

rrProfessor

Sherwood, Arkansas

My Posts: All  Forum  Topic

No Hysol Shots???

I missed no glue drying shots, so I had to do some on a new project in my shop!!!!

Looks like all the BIG pieces are in place... great job on the exhaust welding.... "NICE"

Now you can get on with the good stuff!!!!

Looking forward to seeing it in the air!!!!

Stan

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

PM  EMAIL  GALLERY  Attn:RR  Quote
10-12-2015 10:32 PM  26 months agoPost 127
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

Sorry Stan!! I am running out of things to glue! LOL! I think that is a good thing.........

Ordered 6lbs of stick on wheel weights today to stuff somewhere up front to balance this pig out.

Need to balance main and tail blades and rotor head.
Need to set up the tail in the FBL unit (head is already programmed)
Radio is programmed.
Triple check everything.
Balance for COG.
Create preflight check list.
Hope like hell the fuel tank doesnt leak (I forgot to do a liquid leak test (I did a low pressure air test) before I glued it in - DOH!!!!!)
Fabricate fueling rig - I have the 5 gallon tank and pump and fittings, just need to "make it".
Set pucker factor to 11 on a scale of 1-10.
Go fly!

I am thinking Oct 31 might be maiden day (how ironic!), if I am not feeling rushed. We will see what we get done this weekend.

Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-13-2015 01:16 AM  26 months agoPost 128
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

So since I was reprimanded for my upper mechanic braces LOL!! I redid them.

New braces are plywood. 4mm bolt secures them to the fuse brackets. I added a gusset brace to the fuse brackets - you can barely see the unpainted gusset I installed in one of the pics. The gusset piece really helped strengthen the fuse in that location.

Hopefully it pleases the Heli Gods!! LOL!!




Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-17-2015 11:11 PM  26 months agoPost 129
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

Hey guess what?!?!?!!? Airwolf dont fly too well with no fuel in the tank, so I got off my butt and put together a fueling rig!

Started off with some aluminumumminum, a switch, a pump, a battery and some other stuff not shown......

Threw it all in the microwave, set the timer for 2 minutes on high and out came this.....

Yea! I can now fuel Airwolf. Battery is a 3S LiFe. Pump is your standard 12V variety, fittings are drylock style for positive seal, no spill, so fuss. Switch is a DPDT (ON-OFF-ON), rated at a bagillion amps, so it should be OK LOL!

And I ordered a Vario swash plate and 5.5mm balls to replace my Heli-factory swash. With my servos, my FBL (CGY750), and servo position within the Vario mechanics, I just didnt like the geometry with the Heli-factory swash. I needed to make too many concessions with the programming on the CGY750 to get it to work. The Vario swash will allow me to adjust the geometry for a perfect fit and I wont have to settle for "good enough". Will it have it next week.

Tomorrow I wrap the exhaust, balance blades and maybe set CG for the test flight.

Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-18-2015 09:44 AM  26 months agoPost 130
BEAR

rrApprentice

Peterborough

My Posts: All  Forum  Topic

I'm really looking forward to seeing this heli finished

PM  EMAIL  GALLERY  Attn:RR  Quote
10-18-2015 02:18 PM  26 months agoPost 131
doorman

rrProfessor

Sherwood, Arkansas

My Posts: All  Forum  Topic

As Usual.....

Great job on the fuel "can"!!
Did not know you had a problem with the swash/geometry.., very good call to not settle for almost right.. good catch..
BUT I still miss the hysol pic's
Your getting close now!!!

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

PM  EMAIL  GALLERY  Attn:RR  Quote
10-18-2015 07:33 PM  26 months agoPost 132
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

I'm really looking forward to seeing this heli finished
Me too!!

Thanks Stan! I'll start hysoling again this winter, I promise!!!

Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-18-2015 07:50 PM  26 months agoPost 133
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

SHE FLIES!!!!!!!!

Well, more like she hangs......

COG check!!! I know, probably the weirdest method of checking COG for a large scale heli you have ever seen. Heli is hanging from aircraft cable (how appropriate LOL!) through the jesus bolt hole in the mainshaft. She has a a slight forward bubble on the mainshaft for a slight forward COG. Looks like she will have a slight boom down look in hover, just like the full size. Good for a couple of test hops.

Wrapped the exhaust with header tape to help control fuse interior temps......

Main and tail blades are balanced (balanced the mains on the head and the tails on the tail hub).

Just waiting on the new Vario swash to show up so I can set it up and finalize the CGY750 programming and then, well,....you know!!!

WHOOP!!! WHOOP!!!

Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-23-2015 03:10 AM  26 months agoPost 134
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

Well, was planning on doing some run up tests (sans blades) this weekend in preparation for a test flight next weekend, but probably wont happen. Been fighting FBL programming, phasing, servo binding issues. Finally got it solved tonight, but had to order some parts. Parts should be here Saturday afternoon, but am going to an NFL football game on Sunday. So no time to get everything together for a run up. Oh well. No huge rush. 1 more week delay isnt going to hurt anything. Just taking it slow and being extra cautious with these last couple of steps to get it in the air. Proper preparation and attention to detail will give me the best possible chance for a successful and trouble free test flight.

I'll post up Saturday night highlighting my recent adventure and the fix (which is a simple modification to the Heli-factory head - only took me a week to figure it out!! LOL!)

Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-23-2015 09:45 AM  26 months agoPost 135
BEAR

rrApprentice

Peterborough

My Posts: All  Forum  Topic

Slowly slowly we don't want any disasters now through rushing

PM  EMAIL  GALLERY  Attn:RR  Quote
10-23-2015 11:44 AM  26 months agoPost 136
Thumper217

rrApprentice

Slidell, LA - USA

My Posts: All  Forum  Topic

Smart move to take your time and put off the tests!

Football over Helis though?! I guess I understand in this case cause the Colts will be playing our Saints and there's a good chance you'll see a reversal from the last time these two teams met. The Saints ain't doing so good this year!

By the way, what kind of microwave do you have? I want one of those!!!

Thumper

PM  EMAIL  GALLERY  Attn:RR  Quote
10-24-2015 07:46 PM  26 months agoPost 137
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

Unfortunately still waiting for parts to arrive for the rotor head. In the meantime, finished up the nose weight.

Started off with your standard fishing line sinkers....

Put them in a lightweight plastic baggy with a good amount of 1 hour epoxy. Mixed it all up to ensure good coverage and coating, and shoved the baggy into the nose of the fuse and let the epoxy dry. This "molds" the sinkers into the proper shape.

Once the epoxy drys, pull it out and peel the plastic baggy off and you end up with a perfectly molded nose weight......

And for my good friend Stan, HYSOL DRYING PIC!!!!!!!! Just slap some hysol on the molded blob of sinkers and glue it permanently into place....

Done!

Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-25-2015 02:13 AM  26 months agoPost 138
doorman

rrProfessor

Sherwood, Arkansas

My Posts: All  Forum  Topic

About Time!!

I am a happy camper now!!
Actually, a very good idea...

Thank, Stan

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

PM  EMAIL  GALLERY  Attn:RR  Quote
10-27-2015 01:51 AM  26 months agoPost 139
ssmith512

rrKey Veteran

Indianapolis, IN USA

My Posts: All  Forum  Topic

Alrighty then!!!!!

FINALLY got my rotor head/FBL system programmed and setup to my liking!

Started by installing a Vario swash. Added some 3.5mm standoffs with 5.5mm balls......(you can ignore the swash driver in all pics as it was not set in any of the pics)

The Heli-factory head is set for 45 degree phasing as shown here......

I added some properly sized stainless steel standoffs to the blade grip arms......

Adding the standoffs to the head changed the head to a phasing angle of 0 degrees.....

This allowed me to get the programming of the CGY750 perfectly optimized. When I tried to program the CGY750 with the head phased at 45 degrees, I was getting some severe servo binding as soon as the swash moved from zero degree pitch. The combo of my servos, the heli-factory swash, heli-factory head, and servo arm length I needed just did not play well with the CGY750 at 45 degree phasing. Just too much differential throw that I could not program out with the compensation mixing in the CGY750. Once I changed the head to 0 degree phasing, 99.9% of my issues disappeared.

I am now severely shaking in my boots. I have tentatively set this Saturday as maiden day. Right now, the weather does not look real promising, but we all know weathermen cant predict the weather 10 minutes from now, let alone 5 days from now. So we will see. Assuming my preflight goes well, and a we have a trouble free ground run up/systems check Saturday morning, I hopefully will be posting a flight video Saturday evening.

I am signing off now as I will be in seclusion until Saturday as I meditate and get myself mentally, emotionally, spiritually and physically prepared for Saturday's flight.

Steve

PM  EMAIL  GALLERY  Attn:RR  Quote
10-27-2015 05:18 AM  26 months agoPost 140
Dingo07

rrApprentice

Newport Coast, CA - USA

My Posts: All  Forum  Topic

My blessings on an excellent maiden and amazing video this coming Saturday night!!!

Pre-flight check... check!

PM  EMAIL  GALLERY  Attn:RR  Quote
WATCH
 25 pages [ <<    <     5      6     ( 7 )     8      9     NEXT    >> ] 33467 views
HelicopterScale Model RC Helicopters Docs  Airwolf Turbine - My Build
 Print TOPIC  Make Suggestion 

 31  Topic Subscribe

Sunday, December 17 - 2:31 am - Copyright © 2000-2017 RunRyder   EMAILEnable Cookies

Login Here
 New Subscriptions 
 Buddies Online