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Old Sep 08, 2011, 09:20 PM
Elfi Flyer
Doug Sipprell's Avatar
Rock Hill, SC
Joined Oct 2002
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tmb55:

Stock Pico Moth gearbox is the "A" gearbox, allowing for a 5.86 final gear ratio (pinion = 14 teeth, spur = 82 teeth). The best Feigao adaptation thus far has been the Feigao 1208436 brushless motor and the "A" gear box. I use this combination with a GWS 9x7 prop, CC Thunderbird 6 amp ESC, and a 2S 1320 Lipo pack. The Feigao 1208436 is a 4122 kv motor. There are other Feigao motors with higher kv's, but you would need to use the "B" or "C" gearboxes (7.00 or 8.60 ratio respectively) when doing so, to keep the amps in line. Feigao's pulling 5 amps will run very hot. General rule of thumb is to keep amps at around 3.5 max. The "A" gearbox, Feigao 1208436, and 9x7 GWS prop seems to do the trick. Hope this is helpful.

RD

PS: I was able to break the mysterious 25 foot altitude limit, as established some time back in Florida, via the use of the Feigao B/L upgrade!
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Old Sep 09, 2011, 12:17 PM
Forever WTTM Pilot #7
Buzz's Avatar
Daytona Beach, Florida, United States
Joined Aug 2002
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Quote:
Originally Posted by Doug Sipprell View Post
tmb55:

Stock Pico Moth gearbox is the "A" gearbox, allowing for a 5.86 final gear ratio (pinion = 14 teeth, spur = 82 teeth). The best Feigao adaptation thus far has been the Feigao 1208436 brushless motor and the "A" gear box. I use this combination with a GWS 9x7 prop, CC Thunderbird 6 amp ESC, and a 2S 1320 Lipo pack. The Feigao 1208436 is a 4122 kv motor. There are other Feigao motors with higher kv's, but you would need to use the "B" or "C" gearboxes (7.00 or 8.60 ratio respectively) when doing so, to keep the amps in line. Feigao's pulling 5 amps will run very hot. General rule of thumb is to keep amps at around 3.5 max. The "A" gearbox, Feigao 1208436, and 9x7 GWS prop seems to do the trick. Hope this is helpful.

RD

PS: I was able to break the mysterious 25 foot altitude limit, as established some time back in Florida, via the use of the Feigao B/L upgrade!
Ok, don't make me come over there! I just found a Lens motor that I forgot I had. Think I should break the tradition and put it in there?
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Old Sep 09, 2011, 12:20 PM
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Nope! Preservation is the order of the day for the 25' moth!
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Old Sep 09, 2011, 12:25 PM
Elfi Flyer
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Rock Hill, SC
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Ok, don't make me come over there! I just found a Lens motor that I forgot I had. Think I should break the tradition and put it in there?
Absolutely NOT!!!!! The 25 foot Moth is as sacred as the WTTM, both to be revered. Do not even THINK of making a change to this worthy member of the Tiger Moth fleet!



RD

PS: Rumor has it there is a "Preserve the 25' Moth Society" being formed, donations to which can be sent directly to WWAerodrome.
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Old Sep 09, 2011, 01:27 PM
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A Barrier Island in New Jersey, USA
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Originally Posted by Buzz View Post
Ok, don't make me come over there! I just found a Lens motor that I forgot I had. Think I should break the tradition and put it in there?
Blasphemy, absolute, unabashed blasphmey!

Aeronca
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Old Sep 09, 2011, 03:30 PM
Forever WTTM Pilot #7
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Hah! I guess it's unanimous ! I need to fly it again.... it's getting dust on the wings.
I guess I should get some new NiMh batteries for it. It's still all stock... same IPS motor and 3 tons of down thrust. It looks cool in the air though... all that down thrust causes it to fly with the tail higher.

Buzz
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Old Sep 09, 2011, 08:19 PM
Elfi Flyer
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Rock Hill, SC
Joined Oct 2002
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If you need some 350 7cell nicads, I have them on the shelf. Will send them to you, free!!

(deans connectors on them)

RD
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Old Sep 10, 2011, 12:14 PM
Forever WTTM Pilot #7
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Originally Posted by Doug Sipprell View Post
If you need some 350 7cell nicads, I have them on the shelf. Will send them to you, free!!

(deans connectors on them)

RD
That's very nice of you, Doug. I never even knew it would run on Nicads.
I don't know if I have anything to charge them with. (?)
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Old Sep 10, 2011, 03:30 PM
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Look what I got today!

Came in the mail. Published in 2009. Even if you never plan to build a
primo TM scale model, but you do love that little biplane, why not have a copy of this book? (I wish I could remember where I got the hint to get the book, as I am grateful to know).
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Old Sep 10, 2011, 03:48 PM
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Came in the mail. Published in 2009. Even if you never plan to build a
primo TM scale model, but you do love that little biplane, why not have a copy of this book? (I wish I could remember where I got the hint to get the book, as I am grateful to know).
Wow.... where did you find that?
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Old Sep 10, 2011, 05:56 PM
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I remember buying a Haynes manual for my Porsche 914

Enlarge the picture of the back cover, and you should have the info you need. 160 hard-cover pages of Mothy goodness! About 29 U.S. dollars.
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Old Sep 11, 2011, 09:30 AM
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Remember the other day;

We were talking about the landing gear;
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Old Sep 11, 2011, 11:36 AM
Forever WTTM Pilot #7
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We were talking about the landing gear;
Wow... lots of detail. Porsche? I drive a Porsche 911 and it's funny how you can find out anything about the car by using Google!
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Old Sep 11, 2011, 11:52 AM
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Wow... lots of detail. Porsche? I drive a Porsche 911 and it's funny how you can find out anything about the car by using Google!
I had that car before the existence of PCXTs, not to mention Google.
It was a good car, and I drove it for a long time. Overhauled it, (wasn't really necessary), & repainted it, (sort of necessary), and one of my employees said;
"You'll get it all fixed up, and then you'll sell it"! I didn't believe him, but that is exactly what happened!
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Old Sep 11, 2011, 04:46 PM
Forever WTTM Pilot #7
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Daytona Beach, Florida, United States
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Originally Posted by Lancer31 View Post
I had that car before the existence of PCXTs, not to mention Google.
It was a good car, and I drove it for a long time. Overhauled it, (wasn't really necessary), & repainted it, (sort of necessary), and one of my employees said;
"You'll get it all fixed up, and then you'll sell it"! I didn't believe him, but that is exactly what happened!
Well, to stay off topic.... I think I'll keep my 993. I used to own a beautiful 997... but got run off the track ...errr.... "road" into a bunch of oak trees at 160mph. Totaled the 997.. but after a few hours in the Eroom I walked out.
Insurance paid me back $100k , so I bought my 993 and put the rest back in the bank. I also own a Stealth twin turbo... 1991. I bought it off the show room floor and it still looks like it did the day I bought it.

Ok, I dusted off the 25 foot tiger moth. The wing wires are sagging, so I may need to re-string those. (There. Back on topic!)
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