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HomeScaleAircraftScale HeliScale Helicopter Main Discussion Docs  S-67
09-17-2018 03:54 PM  87 days agoPost 361
garyl

rrVeteran

taxachussetts

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In the air force we used to call duct tape 100 MPH tape, this was before it was sold to the general public. The tape your using must be the 25 MPH version

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09-17-2018 04:20 PM  86 days agoPost 362
ssmith512

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Indianapolis, IN USA

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So smoooooth!!! Daddy was gettin' jiggy with it!

Get the dang gear up, it looks like a 737 on final approach.

Steve

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09-17-2018 04:27 PM  86 days agoPost 363
bwellmaker

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Long Island

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I am not sure of the speed rating for packing tape. It pretty strong though. I am guessing to was good for maybe 35 or 40 mph yesterday and 3 loops over the weekend, ha.

Gear will be in a week or two I would like to get the cowls all worked out this week. I will start looking and thinking more about the gear retract when I pull the mechanics later today.

B

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09-20-2018 03:21 PM  84 days agoPost 364
bwellmaker

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Long Island

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UIH,

I have put 10 flights on this thing. This past week was time for an inspection and work to get all the magnets installed for the top cowlings and cockpit. I also installed the pylon trailing edge fairings however did not get the TGB fairing mounting installed so it will be taped on for the weekend.

At Dalton it was noted the tail geometry needed some work. There was not enough adjustment to setup rate mode correctly but it was very close. I made a new slider and spacer and replaced the output shaft with a longer one to move the tail hub outboard. The slider and spacer were 4 mm to long and needed to be cut down which I also did this week. Will get the hover in rate mode adjusted correctly and press on.

I hope to make a set of wings over the weekend or next week so I can get them mounted up and give it a flight. The spoilers and speed brakes will not be installed on this set as I am still working out the details for how they will work. I think I have a pretty good idea on how to make it work with a single servo in each wing to deploy all 3 boards.

A few pics.

B

A nice little trick to locate fairing holes.

UIH

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09-20-2018 03:39 PM  84 days agoPost 365
ssmith512

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Indianapolis, IN USA

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In famous word's of MC Hammer....

TOO LEGIT!
bwellmaker
At Dalton it was noted the tail geometry needed some work. There was not enough adjustment to setup rate mode correctly but it was very close.
Please explain what you mean by "not enough adjustment"? Was the pitch slider hitting the tail bub?

Educate me please!

Steve

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09-20-2018 04:12 PM  84 days agoPost 366
bwellmaker

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Long Island

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With the slider being too long, I had to move the servo horn one spline tooth off square to get the travel and blade pitch needed for for nose right. By doing so I "biased" the travel to get more nose right.

I moved the servo horn back to square. Then by shortening the slider and spacer, it added nose right blade pitch and moved the control assembly to a more neutral position. By moving the pitch beam closer the gearbox (shortening the slider and spacer) it centered the control .

I had more left than needed and not enough right if needed.

did that cover it ok?

B

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09-20-2018 04:26 PM  83 days agoPost 367
ssmith512

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Indianapolis, IN USA

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Ah, so the angle of the dangle was off and the original configuration had too much zig, so you snipped it a cush to get more zag.

Rule #36, Part A, Section 3.1.1 - You can't ever have too much zag.

Now that is fixed - get the damn gear up!

Thank you Grand Master B!

Steve

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09-20-2018 06:02 PM  83 days agoPost 368
bwellmaker

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Long Island

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Yea what he say.

B

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09-23-2018 11:04 PM  80 days agoPost 369
bwellmaker

rrKey Veteran

Long Island

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UIH,

Couple of shots from today. Flew pretty good with all the cowls installed.

UIH,

B

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09-23-2018 11:34 PM  80 days agoPost 370
chopper37

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NJ and Long Island

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Looks great there Butch, looks like you had the field to yourself

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09-24-2018 11:52 AM  80 days agoPost 371
garyl

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taxachussetts

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Looks great Butch! How are the motor and speed control temps with the cowls on?

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09-24-2018 01:36 PM  80 days agoPost 372
bwellmaker

rrKey Veteran

Long Island

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Thanks Gary,

The highest temp see thus far was at Dalton. It was 121*. The ambient temp was 92*

Yesterday's flight were the first with all cowls installed. The OAT was around 65*. Max temp yesterday after a 5 minute flight was 99.9*. The motor was warm but I could touch it. Nothing out of the ordinary. So far it looks like it is running about 30* above ambient for all flights.

UIH,

ESC Download from yesterdays last flight.

B

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10-04-2018 09:53 PM  69 days agoPost 373
bwellmaker

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Long Island

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UIH,

Time for an update.

I had a tail authority issue a couple of weeks ago. I had begun pushing the performance envelops when this happened. After checking every thing over, it appears to have been a pretty simple fix with installing longer tail blades. This past weekend I repeated the same flights and it passed with flying colors.

Next major plan is to work on get the main gear retract system working. I picked up these cool little servo couplers that will fit on the servo spline with the OEM screw. I can install the gear retract shaft into the end of the coupler and clamp it with the pinch screw. Rotate the shaft, the gear comes up. Pretty simple.

Here are a couple pics.

B

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10-06-2018 02:06 AM  68 days agoPost 374
ssmith512

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Indianapolis, IN USA

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Gear up baby!

Steve

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10-09-2018 01:15 PM  65 days agoPost 375
bwellmaker

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Long Island

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Gear Update.

I installed the servo mount blocks for the gear yesterday. I am very happy with the way this turned out. A real clean install. I hope to have the gear functional by this afternoon.

A couple pics

B

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10-11-2018 11:26 PM  62 days agoPost 376
g5sean

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Savannah, GA

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Very nice!

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10-12-2018 11:27 AM  62 days agoPost 377
Thumper217

rrApprentice

Slidell, LA - USA

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Those couplers are pretty cool and really nice clean install. Make sure you attach those blocks for the servo mounts really good; remember what happened to my nose gear on the 76!

Thumper

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10-12-2018 11:11 PM  61 days agoPost 378
bwellmaker

rrKey Veteran

Long Island

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UIH,

Yea. I have a down lock system installed that takes the load off the servos when on the ground. Will post some pics tomorrow.

UIH.

B

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10-13-2018 10:53 PM  60 days agoPost 379
bwellmaker

rrKey Veteran

Long Island

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UIH,

Down and locked installed. Will get to fly with the gear up tomorrow.

UIH,

B

Watch at YouTube

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10-13-2018 11:17 PM  60 days agoPost 380
chopper37

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NJ and Long Island

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Now that’s very cool!

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HomeScaleAircraftScale HeliScale Helicopter Main Discussion Docs  S-67
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