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HomeScaleAircraftHelicopterScale Model RC Helicopters Docs  S-67
12-19-2017 01:15 PM  7 months agoPost 221
doorman

rrProfessor

Sherwood, Arkansas

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Looking Good Butch!!
Looking forward to seeing the final product!! (Not as much as you)
Merry Christmas to you and Ro..
Travel safe through the holidays...

Stan

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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01-02-2018 06:20 PM  7 months agoPost 222
bwellmaker

rrKey Veteran

Long Island

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Happy New Year!!!

I have pulled the first test part off the molds I made.

This is the RH stabilizer. This is a test part to make sure I had the process down. I will cut it in half to check the upper and lower half bond joint to make sure that joint is good and solid. The final part will have a rib installed. This rib will support the spar that ties the two stabs together and have the arm to a servo for movement.

I hope to begin making and placing parting boards for the fuse tomorrow.

Butch

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01-03-2018 11:58 AM  7 months agoPost 223
Thumper217

rrApprentice

Slidell, LA - USA

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That looks really cool, but I have a question or two...

What are the steps between photos 2 & 3? I assume after you laid the fiberglass in the two halves you then attached the two halves together using all the holes around the perimeter to secure them. But how do you then gain access for the joint between the two?

Andrew

Thumper

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01-03-2018 07:30 PM  7 months agoPost 224
bwellmaker

rrKey Veteran

Long Island

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UIH,

Micro Minions of course.

Once the cloth is the mold half's has set enough to trim the slag flush with the mold face, I mixed resin and add high-density filler until it has the consistency for some good Bar-B-Q sauce. I put a small amount of that mixture around the inter edge periphery of both halves. I bolt the two mold haves together and let it sit "top up" for about 10 minutes then flip the mold over. This lets the top half drool to the bottom them when flipped, the bottom drools to the top and covers the joint.

I will cut this part in half cord wise to check that the bond seam is good.

I will snap some pics on the next one.

UIH,

B

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01-04-2018 11:50 AM  7 months agoPost 225
Thumper217

rrApprentice

Slidell, LA - USA

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Ah I see. It's good to have MINIONS of various sizes!

Thumper

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01-06-2018 10:18 PM  7 months agoPost 226
bwellmaker

rrKey Veteran

Long Island

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UIH,

Being slightly snow bound plus being too friggen cold to to go out side, however, I am able to make the 200 foot walk to my shop to work on my 67.

I waxed the plug with 6 coats over the past couple of days so I could start making and mounting the parting boards to the LH side of the tail cone. Still have to do some work around the TGB and the trailing edge fairing tomorrow. Once done it will get several more coats of wax when the parting board are complete then I can start making the mold half.

Some pics,

B

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01-07-2018 01:27 AM  7 months agoPost 227
g5sean

rrNovice

Savannah, GA

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Fantastic, looks great Butch! I think there are some inquiring minds that would like to see the post layup glass trimming process in the mold before they are joined. Thanks for the great photos!

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01-08-2018 04:11 PM  7 months agoPost 228
bwellmaker

rrKey Veteran

Long Island

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UIH,

Finished up the parting boards. Some wax and clay the gaps then then start the mold lay up.

UIH,

B

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01-08-2018 05:44 PM  7 months agoPost 229
doorman

rrProfessor

Sherwood, Arkansas

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Soon!!!
Looks as if you will have it under full control soon!!!
Looking really good...

Stan

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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01-09-2018 08:59 PM  7 months agoPost 230
nova66

rrNovice

maryland

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I love how clean and neat your work is.
Very talented.

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01-09-2018 09:21 PM  7 months agoPost 231
bwellmaker

rrKey Veteran

Long Island

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Thanks Mark,

You do realize I have issues...

... right?

The LH tail cone mold is laid up.

UIH,

B

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01-09-2018 09:46 PM  7 months agoPost 232
ssmith512

rrKey Veteran

Indianapolis, IN USA

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This SHI........stuff is bananas!!

I'm in awe.

Steve

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01-10-2018 12:44 AM  7 months agoPost 233
nova66

rrNovice

maryland

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I think we all have a few issues being in this hobby. Hell,
I had to build a bar next to my workshop so I can have a place to hang out while I am waiting for glue to dry.

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01-10-2018 12:58 PM  7 months agoPost 234
bwellmaker

rrKey Veteran

Long Island

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Thanks Steve,

It has been fun making this fuse and watching it come together. For me it was the "next step" in my model evaluation. Glad there are folks here to keep me in line when I wonder around behind the little animals.

Beer fridge in the shop is a must tat for sure.

B

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01-10-2018 04:29 PM  7 months agoPost 235
bwellmaker

rrKey Veteran

Long Island

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UIH,

On a roll.

I pulled the parting boards this morning and they popped right off. After cleaning off the clay, a little trim on the flanges, it will get waxed a few times then install the few parting parting boards for the RH side then some more wax then start the lay-up hopefully tomorrow morning.

The LH lay up took about 5 hours from start to finish. Each of the layer was made of 8 individual glass cloth pieces. There are 7 layers to make the mold. Lots of empty mixing cups and 1 inch brushes were used as the pot life is only about 20 minutes for the mixed epoxy.

Once I got the hang of it things went really smooth.

UIH,

Some pics.

B

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01-12-2018 02:16 AM  7 months agoPost 236
bwellmaker

rrKey Veteran

Long Island

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UIH,

More progress today. The RH side of the tail cone is laid up.

Next is the TGB fairing and pylon trailing edge.

B

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01-12-2018 05:23 PM  7 months agoPost 237
bwellmaker

rrKey Veteran

Long Island

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UIH

Task for today,

UIH

B

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01-12-2018 08:28 PM  7 months agoPost 238
nova66

rrNovice

maryland

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School is in session, and I have learned a lot.
Time to redo my molds.
thanks Butch

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01-12-2018 09:30 PM  7 months agoPost 239
bwellmaker

rrKey Veteran

Long Island

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Dang,

Thanks, But...

...I took what I learned from my other brother Darrell and many others from what products to use, the basic process for the lay-up, where the partings boards should be placed, the best way to do just about every process from the plug to making the parts through hours of talking, phone calls, videos, then going over it again, maybe 3 or 4 times before I got it right. It has been a learning process without doubt.

Have the first tool coat down.

B

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01-14-2018 03:22 PM  7 months agoPost 240
bwellmaker

rrKey Veteran

Long Island

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UIH,

I was like Christmas all over again.

A step closer to reality.

UIH,

B

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HomeScaleAircraftHelicopterScale Model RC Helicopters Docs  S-67
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