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10-23-2004 07:36 AM  13 years agoPost 1
ScotY

rrApprentice

USA

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Tried the search function with no luck. Anyone know the smallest 0.5 module pinion for a 5mm motor shaft? These are the pinions that mate up with the Logo 10 200T main gear. I believe there are pinions as small at 10T but I am pretty sure those are for <5mm motor shafts.

Thanks!

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10-23-2004 08:22 AM  13 years agoPost 2
SBK

rrVeteran

NE Ohio

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For Logo 10, fxaeromodels.com lists the pinions from 13T to 23T.

For Logo 20/24 (module 0.7) from 10T to 18T.

For old model Logo 16/20, from 8T to 12T.

Hope this helps.

SBK

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10-23-2004 10:24 AM  13 years agoPost 3
Saint728

rrProfessor

Honolulu, Hawaii

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13 tooth is the smallest pinion that they make for the Logo 10. There's no way to make one with less teeth because it's just a hair bigger then the 5mm shaft. Why would you want a smaller pinion for the Logo 10 anyway? I use a 15 tooth pinon on my motor and it's just the right size.

Take Care,
Cheers, Patrick

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10-23-2004 10:37 AM  13 years agoPost 4
ScotY

rrApprentice

USA

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I was mostly just curious. I could have sworn I'd seen mention of a 10T pinion but my memory isn't the greatest. If there is in fact one, I'm sure it's sized for 1/8" shaft motors.

Changing the subject, how does your 13L/4s4p setup fly? Can you compare the power to something I might be familiar with? What kind of temps are you seeing on the motor and battery?

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10-23-2004 01:01 PM  13 years agoPost 5
Saint728

rrProfessor

Honolulu, Hawaii

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My 13L, 15 tooth pinion and 4S4P's fly great. Not sure about the head speed, but it looks around 2,000 or so? I tried it with a 16 tooth pinion, but it used twice as much mAh as it did with the 15 tooth and the motor started to get rather warm. I could only get two 6 minute flights with the 16 tooth pinion. I changed it back to the 15 tooth and I can fly it for three 6 minute flights and still have some left over. Also my motor, batteries and ESC don't even get warm.

BTW, I'm originally from Oahu. I was born in Wahiawa, moved to California when I was two and moved back to Oahu when I was 13. I grew up in Hawaii Kai and been there for the past 25 years.

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
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10-23-2004 07:56 PM  13 years agoPost 6
ScotY

rrApprentice

USA

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Hey Patrick,
Thanks for the info. Would you say your Logo has the power of a glow 30? Or a 50? What does it weigh, rtf? And, would you know how much weight the carbon frames saved, if any?

Sorry to have so many questions.

What the heck are you doing in Australia?

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10-23-2004 11:10 PM  13 years agoPost 7
Saint728

rrProfessor

Honolulu, Hawaii

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I don't even think my Logo 10 has the power of a 30? It might, but I think a 30 size nitro machine has more power? I've never flown a 30 or a 50 size before so I have nothing to compare it to. All up my Logo 10 RTF weights about 2,500 grams or 5 pounds. I don't think I saved any weight with the carbon frames? I've never weighted the stock plastic frames against the carbon ones? I would think the plasic frames and motor mount weight less? The carbon frames has an aluminum motor mount. I moved to Australia 2 and a half years ago, because my partner live here.

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
http://rc.runryder.com/helicopter/gallery/9019/?all=photo

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10-23-2004 11:40 PM  13 years agoPost 8
ScotY

rrApprentice

USA

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Not even as much power as a glow 30? Well, that kind of sucks. Are there no Raptor 30s or 50s flying around where you're at?

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10-23-2004 11:57 PM  13 years agoPost 9
Saint728

rrProfessor

Honolulu, Hawaii

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Yeah there are a bunch of Raptor 50's, but there's no way it has that much power. I don't know anyone that has a Raptor 30, so I can't comment on that. The Logo 10 isn't suppose to compete with a glow 30 size helicopter, it's smaller then that. I would think a Logo 14 or 20 would be in the same category as a 30 size glow?

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
http://rc.runryder.com/helicopter/gallery/9019/?all=photo

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10-24-2004 12:03 AM  13 years agoPost 10
rscamp

rrVeteran

Ontario, Canada

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It isn't the helicopter that has the power it is the motor/controller/battery setup which varies drastically with electrics as there are so many variables. I have to agree that even a very hot Logo 10 setup wouldn't be as strong as a 50. It seems a larger rotor disk is required to have that sort of authority. A Logo 20 with a very hot setup would be quite close to a strong 50.

Rob

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10-24-2004 12:11 AM  13 years agoPost 11
ScotY

rrApprentice

USA

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Hmmm...that's a bit disappointing to hear. I would assume that it's just all about power to weight ratio and disk loading. My Shogun seems, to me at least, to have about the same climb rate as a Raptor 30...it doesn't fly anywhere near as well, but it does seem fairly spritely and it's much smaller. I guess I'm not following the size = performance thing.

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10-24-2004 12:45 AM  13 years agoPost 12
rscamp

rrVeteran

Ontario, Canada

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Ahh. You are observing exactly the same thing. You can get the climb rate with a smaller heli, but you can't get the same authority from the rotor disk when you start to throw it around. This isn't a characteristic of electric helis, it is a characteristic of small helis.

Rob

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10-24-2004 05:52 AM  13 years agoPost 13
steph280

rrElite Veteran

Irvine, California

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I find my Logo 10 with B50-13L milder when flown on 4s4p Lipo compared when I had 14 cells HRSC2600. This is expected since the 4s4p provides lower voltage than 14 cells Nimh.

I've been wanting to try a 5s3p but haven't had the chance. After seeing what a box can do with 6s2p, I believe that is the ticket for the ultimate Logo 10 power. Just need to finish up with the Raptor HV conversion first.

Did you get a Logo 10 Scot? Or still thinking about it?

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