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HelicopterAntiques or Out of Business › Cricket Tailbooms
12-29-2009 08:00 AM  7 years agoPost 1
ch-47c

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san jose, ca

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Any news as to when some might be available?

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12-29-2009 01:23 PM  7 years agoPost 2
gorhambirds

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Hickory Hills Illinois, usa

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I'm workin' on them right now. Now that the holidays are passing, I'm having more time. Shouldn't be too long now, hopefully. I'll post on RunRyder when they're a go.

Steve Z

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12-31-2009 09:35 AM  7 years agoPost 3
ch-47c

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san jose, ca

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Thanks Steve. I'll take several when ready, probably 4.

Finding Cricket tailbooms is like trying to buy a book that has a small limited 1st edition printed and you don't know if there will ever be a 2nd edition or printing.

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12-31-2009 02:58 PM  7 years agoPost 4
Helizrule

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Lake Ariel, PA

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I'll take a few myself. Booms are hard to find. Thanks for the parts support and dedication.

One mile of road will take you one mile. One mile of runway will take you anywhere in the world.

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12-31-2009 04:12 PM  7 years agoPost 5
Horacio

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CA

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I'll take 2.

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01-01-2010 07:23 PM  7 years agoPost 6
Gyronut

rrProfessor

Martinsville In.

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Put me down for 2 also.

Rick

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01-02-2010 01:37 AM  7 years agoPost 7
Dave Willis

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Sevierville, TN USA

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Cricket Tailbooms

I'll take 2

Thanks.....Dave

Futaba AMA 6679 IRCHA 675 VHA 11

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01-02-2010 02:49 AM  7 years agoPost 8
gorhambirds

rrApprentice

Hickory Hills Illinois, usa

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Cricket Booms

Hey guys,

Just an update. I finished the drilling/milling jig today. Below is a photo of the jig with a tail boom blank in it. This weekend I'll be making some "samples" using some expendable tubing. Once those are consistent, then I'll start on the actual booms. It won't be long now. Thanks for your patience.

Steve Z

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01-02-2010 03:30 AM  7 years agoPost 9
ch-47c

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san jose, ca

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That's great news Steve !

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01-02-2010 09:54 PM  7 years agoPost 10
ron6460

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MASS THE GET F$*KED PAY! PAY! STATE

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Nice Job !!

Looks good !!! I might build anotherone Ron

" It was not me ! The sun was in my eyes Super Fly "

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01-04-2010 04:35 AM  7 years agoPost 11
marcw

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Southern California

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Steve:

Put me down on the list for 2!

Fellas: these will be the bomb! Steve is too modest to say it, but he is working off John Gorham's original Cricket engineering drawings, and he knows his stuff!!

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01-05-2010 03:25 AM  7 years agoPost 12
gorhambirds

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Hickory Hills Illinois, usa

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Cricket Tail Booms

Gentlemen,

I thank you all for your patience and support. I am hoping that all of the confidence in my ability has been attributed to my dedication to the Cricket and so far, for those of you who have purchased parts from me already, proof of the quality in the parts that I offer. Thank you Marc for the kind words. And, although I am working from the original drawings, let me add a bit to that.

I have taken many of the dimensions of the tail boom from the original drawings, penned by the Master himself. HOWEVER, when compared to original GMP production samples, the drawings are not always accurate. For example, the drawings state the slot where the tail drive wire exits the tube should be 1-1/4 inches in length. Most of the samples I measured were approx. 1-3/8 inches in length. Also, I placed four brand new GMP factory tail booms together side by side. I placed a common 1/8 inch shaft through the first frame mounting bolt hole on each tube. I found NONE of the four brand new examples to be identical. The booms were of slightly different lengths, the tail drive wire slots were of different lengths, widths, and located at slightly different ( fore and aft ) positions on the booms. While I could easily get the 1/8 inch shaft between all four booms on the first bolt hole, I could not, without forcing it, get a second shaft through the others, indicating that the spacing of the mounting holes was not accurate either. Lastly, two of the booms had slightly different bends compared to the others, and none of them had the same bend angle as that found on the drawing.

The point I am making here is that design of the boom does lend itself to various tolerances,some of them very generous!

Now, I concentrated on what I feel is one really major problem I see all of the time. That wooden plug stuffed in the boom at the mounting point always lends itself to the boom "crushing" if the bolts are over tightened. What I did was to drill the mounting holes a little bigger in diameter, cut and install two brass tubes in which the mounting bolts will pass through, then fill the end of the tube with resin. Once cured, the mounting of the tube is very, very much more durable than the wooden plug.

Also, keep in mind, other than having the end forming done (the flaring of the tube at the tail gearbox end) EVERYTHING else is done by hand. The drilling, milling, reaming, cutting, making of the bearing insert, and the polishing are all done by hand. I finished the construction of the jig last weekend and so far have produced one perfect "trial boom". Within the next week or so, as I get everything in order, I will let you guys know. You can then send me a PM with your orders. I will fill them in the order that I receive them. All I ask is PLEASE, PLEASE give me two weeks or so per order. This will surely take up all of my spare time to do these, but I guarantee, you will be more than pleased. And don't worry, I have more than enough to go around. Thanks fellows!

Steve Z

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01-05-2010 01:55 PM  7 years agoPost 13
ch-47c

rrElite Veteran

san jose, ca

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Thanks Steve. PM sent.

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01-05-2010 03:48 PM  7 years agoPost 14
KenJ

rrVeteran

Ohio, USA

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Crickets at the MARS swap meet

Not sure if anyone is close to MARS Pa, but I am taking several Crickets in various conditions (almost flyable to chassis only) to the meet.

I haven't put any pricing on them yet, but if anyone is in the area, stop in. I used to restore them, but time, kids and lack of space in the garage is keeping me from them.

Thanks,

Ken

Team Horizon

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