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HomeScaleAircraftHelicopterScale Model RC Helicopters › 21st Century Toy Conversion
03-09-2008 06:54 AM  10 years agoPost 21
jstfish

rrApprentice

Collinsville, Oklahoma

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Conversion
nyturtle

is that a 12" tall figure in the cockpit? I am building a Air Cav version and looking for pilots.


"instruction book ???...what instruction book"

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03-09-2008 07:28 AM  10 years agoPost 22
nyturtle

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Irvine, California USA

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jstfish
Yeah buddy, they are. You can check ebay to see if you find anything.

"The Scale Master"

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03-09-2008 11:57 AM  10 years agoPost 23
watersteps

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Manchester Pa. USA

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Thanks for the pic nyturtle, did you use an exhaust extension to get the pipe out the back? I have a 50 that I will be testing today, if it runs good I will try it.

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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03-09-2008 09:03 PM  10 years agoPost 24
watersteps

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Manchester Pa. USA

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Conversion
Tail Fin, I removed the snap in section of the tail fin so it would mount close and square.

I then drilled 5 holes in the fin, 4 for screws and 1 for the alignment boss on the tail gear box. I used nylon spacers from the local hardware store for spacers. These spacers are of the hard type and do not compress.

The top horz fin was drilled and bolted to the vertical fin.

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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03-09-2008 09:10 PM  10 years agoPost 25
watersteps

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Manchester Pa. USA

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Conversion
The Hirobo frame was used to show mounting hole placement on the delrin mounts and then on the floor of the heli. Spacers were used when blind holes were encountered.

Next up will be mounting the landing gear and the alteration needed.

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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03-19-2008 11:00 AM  10 years agoPost 26
watersteps

rrApprentice

Manchester Pa. USA

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Conversion
After working with the frame to fuse mounts for 2 weeks I have decided to go with aluminum spacers. New pics will follow as well as the landing gear upgrade.

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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03-26-2008 11:20 PM  10 years agoPost 27
watersteps

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Manchester Pa. USA

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Hey nyturtle looks good, what landing gear did you use?

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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03-26-2008 11:46 PM  10 years agoPost 28
watersteps

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Manchester Pa. USA

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Conversion
Here are some pics of how the tail fins were attached to the rear rotor housing. I used nylon spacers from the hardware store and cut them to size. You will need to increase the screw length also.

This is a picture of the frame mounting bracket that I thought would work great. It took up too much room and was too tall. So I machined these aluminum blocks, now they work great.

The next pic is what is left of the mid section firewall. I had to cut out the center for the servo mounting frame. So in order to re gain the firewall strength I made an aluminum backup firewall that matches the altered plastic firewall.

More to follow!

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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03-27-2008 02:04 AM  10 years agoPost 29
watersteps

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Manchester Pa. USA

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Conversion

This is the tail housing that i had to remove all the plastic screw bosses that held the two halfs together. I glued the point where both halfs come together and then I epoxied the inside seam. The tail boon will slide through the housing with little to no resistance. I found some blue spray paint at Walmart that is a perfect match for this blue police heli.

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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03-27-2008 11:41 PM  10 years agoPost 30
watersteps

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Manchester Pa. USA

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Conversion
The forward fuse was attached to the mid section with 4 plastic knobs, this was a problem whenever you wanted to split the two pieces. I removed them and drilled holes so I could use an allen wrench and nylocks to keep things together. At the top of the forward fuse I added an aluminum strip with tabs that will help hold the mid section together since I removed a small section so the servos would clear.

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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03-27-2008 11:53 PM  10 years agoPost 31
watersteps

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Manchester Pa. USA

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Conversion
My next big problem was where should I place the fuel tank? In the rear of the mid section looked good but, I wanted to have the exhaust exit the heli through this area. How about under the Hirobo frame and on top of the mid section floor? Not big enough. OK, behind the firewall and in front of the Hirobo frame. That would give me a 3 inch high by 1.5 inch wide by 5 to 6 inch long tank. With a top cap or hose nipples.

This picture shows the delrin mount before it was replaced. You can see the narrow gap in front of the Hirobo frame.

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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03-28-2008 12:01 AM  10 years agoPost 32
watersteps

rrApprentice

Manchester Pa. USA

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Conversion
I have two questions,
1, how do you say HIROBO,
is it Her-row-bee?
or maybe Hi-row-bo,
or Her-row-bee?
2, does anyone know where to find small 1/4 turn door or panel locks or push in snap pins so I can mount them on the doors and have them stay closed. Yes the hinges are intact and work but with the heli vibrations they will never stay closed.
.
See ya a little later.

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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03-28-2008 01:02 AM  10 years agoPost 33
Hoverup

rrElite Veteran

Golden Gulf Coast - USA

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What about a set of rare earth magnets to keep those doors closed?

Cheers - Boyd
AMA 80393
IRCHA 3355
LSF 853
Major USAF
Retired

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03-28-2008 04:35 AM  10 years agoPost 34
flipped2left

rrKey Veteran

indianapolis,in.

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Magnets work pretty well. get ya an old hard drive and rip it apart for the magnets in them, they are very strong! I use them for almost everything.

Watersteps; for your landing gear, if you are using the original ones from the toys r us heli, i reccommend, reinforcing them some way they break very easily.

Smile! people will wonder what you're up to!!

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03-28-2008 12:12 PM  10 years agoPost 35
watersteps

rrApprentice

Manchester Pa. USA

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Landing Gear
Thanks Flipped, I cut skids off the landing gear and added the skid holders from another landing gear, see pic. I then decided to brace the legs, I came up with bicycle spokes, they work great. And they come with adjustment screws. I drilled two small holes in the very top of the leg and then a larger hole in the skid. The adjuster fits in the skid and when installed can be adjusted to keep heli sitting on all 4 skid rubbers. I then drilled out the 6 mounting screws and installed socket head screws that go completely through the mid section floor.
If they don't hold up I will look for some 50, 60 ,or 90 landing gear with the short legs on the front (I think they call them low profile) and long legs on the rear (regular landing gear).

I will look into the magnets, thank you.

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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05-07-2008 05:53 PM  10 years agoPost 36
watersteps

rrApprentice

Manchester Pa. USA

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I'm back
Business trips and hospital kept me away for a while. I have a plan change, I'm tired of nitro eating my fingertips and the mess and the noise. I'm going back to electric, my last electric build was a TSK MyStar 30. So watch for the change over, Mr RR should this post go to the electric conversion forum?
Keep watching!

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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05-07-2008 06:14 PM  10 years agoPost 37
Hoverup

rrElite Veteran

Golden Gulf Coast - USA

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IMHO - please leave the thread where it is. I'll be interested to see how this heavy fuselage performs on an electric chassis.

Cheers - Boyd
AMA 80393
IRCHA 3355
LSF 853
Major USAF
Retired

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05-07-2008 11:19 PM  10 years agoPost 38
flipped2left

rrKey Veteran

indianapolis,in.

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My fuse is up for grabs if anyone interested! i'm in the gasser stage now,heck with nitro's!

Smile! people will wonder what you're up to!!

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05-08-2008 04:22 AM  10 years agoPost 39
jrscuba1969

rrNovice

Montgomery TX

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what fuse do you have up for grabs

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05-10-2008 06:33 PM  10 years agoPost 40
watersteps

rrApprentice

Manchester Pa. USA

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Toy Electric Conversion
Hello again,
Going to electric means I need more stuff, motor, motor mount, ESC, batteries and so on. I ordered the HHI mount and received it yesterday. I picked up an Hyperion H3025 - 10 CF motor and 80 amp ESC. The motor is 815Kv and I read somewhere that with the stock shuttle pinion and gear my gear ratio is 9.625:1. Now all that is great to know if you know what to do with it. Will this give me enough head speed to lift a heavy fuse? I weighted the heli before with no motor or fuel or electronics and it was about 5 lbs I think.
If someone knows how to fiqure this out please let me know. OK I'm going back to the workshop and work on this heli.

watersteps,

If you're gona be dumb, ya gotta be tough! They call me HULK!

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HomeScaleAircraftHelicopterScale Model RC Helicopters › 21st Century Toy Conversion
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