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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 4/24/2012 4:55 PM   
GalenB



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ORIGINAL: BlitzPig


quote:

ORIGINAL: GalenB

Can someone provide a link to the O-ring mod for the gear?

TIA!


Think it's somewhere in the middle. Maybe a few pages earlier,




It was farther back than I remembered... Post #796


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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 4/30/2012 4:32 PM   
rtn9105



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Status: offline 		Do you guys think this airframe is strong enough for a 40cc gas engine?

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 4/30/2012 5:09 PM   
cannonball200



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Status: offline 		You would need to do some firewall work bracing. My Dle 20 fly's it with plenty of power. Are you planning on hovering and etc.?
Thanks,
Eddie

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 4/30/2012 6:05 PM   
rtn9105



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Status: offline 		No not hovering
My plane has a G20 on it and it flies very nice and very scale but I do think it would be fun to have some extra power.

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 4/30/2012 6:53 PM   
cannonball200



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Status: offline 		That would work.... You always have throttle control.... try it and then it will have the horsepower of a Super Cub for short take offs and landings.
Thanks,
Eddie

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/1/2012 5:28 PM   
Bob dunlop


 

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Status: offline 		 Throttle control ?  I thought you just pushed that stick all the way up and left it

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/1/2012 10:56 PM   
hidaven


 

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Status: offline 		What size servo arms are needed for the ailerons, rudder, elevator?

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/3/2012 4:06 PM   
tevans55


 

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Status: offline 		I am building this plane for for our local children's hospital. We have a Wings for KIds Air Show every June and we have raised $118,400 to date for the hospital. The hospital purchased this plane for our club to fly and display to raise money for the hospital. But I digress...

I tell you this because the servos were donated. They are the recommended Spektrum DS 821 servos. I fly Futaba and typically use Futaba and Hitec servos. As I began to cut the extra arms off of the Spektrum servo arms they seemed to be more brittle than what I was used to with Futaba or Hitec. I therefore purchased the DuBro HD Spektrum/JR servo arms and used those.

I don't know that there is any evidence that the standard arms would not work just fine...I just made the change primarily based on the size and ownership of the plane. I have put a donated 30cc engine on the plane so I feel the ounce of prevention is warranted. If the plane were to always be flown in a scale manner then standard arms again would probably be fine. This plane will be flown in air shows and demonstrations and will probably be flown beyond the scale parameters of the full scale cub. The reason for this will be to show off the modified graphics being added to the plane.

Hope this helps a little.

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/4/2012 8:33 PM   
Bob dunlop


 

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Status: offline 		Finally got some time to work on the Cub again...it's ready to fly now...vacation starts Monday so I will maiden her then
Took some ideas from you guys and others for cockpit detailing...here are some pics

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/4/2012 8:59 PM   
lumpy649


 

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Status: offline 		Hi Bob,
How did your CG come out, I'm going to be installing the same power package as you and I am wondering if you had to add any addition weight for balance. Plane looks great by the way, Good Luck with the maiden

Gary

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/4/2012 9:10 PM   
Bob dunlop


 

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Status: offline 		 Thanks for the compliment...it's a little nose heavy ATM but that will be fine for the maiden...I like my planes a little nose heavy anyway

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/4/2012 11:38 PM   
Bob dunlop


 

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Status: offline 		 Just measured it on the CG machine...4 1/4.....I would imagine that should be ok...if not I can always tape a brick to the rudder  

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/5/2012 12:32 AM   
SrTelemaster150



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quote:

ORIGINAL: Bob dunlop

Finally got some time to work on the Cub again...it's ready to fly now...vacation starts Monday so I will maiden her then
Took some ideas from you guys and others for cockpit detailing...here are some pics



W/all that awesome cabin detail a nice, detailed, scale Continental sticking out the sides of the cowl would make you Cub even more impressive.



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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/5/2012 12:54 AM  1 votes
Bob dunlop


 

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Status: offline 		 Wow!  Thank you so much for that link....I was just sitting here wondering what to do about an engine..I'm all over this!
Thanks again,Bob

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/5/2012 12:18 PM   
SrTelemaster150



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ORIGINAL: Bob dunlop

 Wow!  Thank you so much for that link....I was just sitting here wondering what to do about an engine..I'm all over this!
Thanks again,Bob



Here's the pdf file for the assembly manual.

http://www.topnotchkits.com/index_files/Gallery/ContEngine/Cont_Assembly_Manual.pdf

I'm going to get one of these in 1/5 scale for the World Models J-3 I just ordered.

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/5/2012 6:04 PM   
cannonball200



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Status: offline 		Great job on the interior of your J-3 Cub!!!!!!!!!

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/5/2012 8:46 PM  1 votes
Bob dunlop


 

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Status: offline 		 Thanks Cannonball!...I just ordered the dummy engine and a new cowl to put it in...I'll post pics of the build

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/5/2012 9:00 PM   
SrTelemaster150



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ORIGINAL: Bob dunlop

 Thanks Cannonball!...I just ordered the dummy engine and a new cowl to put it in...I'll post pics of the build



Did you order the Top Notch dummy engine kit?

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/5/2012 9:26 PM   
Bob dunlop


 

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Status: offline 		 Yep

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/6/2012 1:56 AM   
SrTelemaster150



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ORIGINAL: SrTelemaster150

Did you order the Top Notch dummy engine kit?


quote:

ORIGINAL: Bob dunlop

 Yep



Cool, let us know how it goes.

I want to get the 1/5 scale for my World Models Cub.

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/6/2012 4:24 AM   
hidaven


 

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Status: offline 		Anyone find a 12mm prop nut or spinner? This bare nut looks like junk! : (((

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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/6/2012 4:25 AM   
BlitzPig


 

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Status: offline 		For those using the DLE-20, how much and what parts of cowling are you cutting away for cooling? I've run a gallon through mine in the air without the cowling for break-in. I put the cowling on and it overheated after about 10 minutes of low power cruising around. I had only cut a 3 inch long gap for spark plug on bottom, opened the square airbox and opened the aft side of the the false cylinder baffling.
I came home and enlarged the two holes above the airbox and opened a large triangle on the bottom. I hope this is enough. I want to preserve as much cowling as possible. It doesn't help that it was 90F today.





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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/6/2012 5:52 AM   
Bob dunlop


 

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quote:

ORIGINAL: hidaven

Anyone find a 12mm prop nut or spinner? This bare nut looks like junk! : (((

I agree...I was going to use the WWI washer from Balsa USA but it just doesn't look right with that 12mm nut....I have scoured the Internet and have not been able to find anything in 12mm....I'm thinking about buying another 12mm prop adapter and taking it to a machine shop and having it turned down to 10mm...that will open up a number of possibilities,like the Balsa USA WWi 10mm prop washer and nut in that antique brass finish.  
Bob



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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/6/2012 5:54 AM   
Bob dunlop


 

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quote:

ORIGINAL: BlitzPig

For those using the DLE-20, how much and what parts of cowling are you cutting away for cooling? I've run a gallon through mine in the air without the cowling for break-in. I put the cowling on and it overheated after about 10 minutes of low power cruising around. I had only cut a 3 inch long gap for spark plug on bottom, opened the square airbox and opened the aft side of the the false cylinder baffling.
I came home and enlarged the two holes above the airbox and opened a large triangle on the bottom. I hope this is enough. I want to preserve as much cowling as possible. It doesn't help that it was 90F today.





You may need to run your engine a little richer to keep it cool with the cowl on it



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RE: Hangar 9 1/4 Scale Piper Cub ARF??? - 5/6/2012 5:58 AM   
Bob dunlop


 

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quote:

ORIGINAL: SrTelemaster150

quote:

ORIGINAL: SrTelemaster150

Did you order the Top Notch dummy engine kit?


quote:

ORIGINAL: Bob dunlop

 Yep



Cool, let us know how it goes.

I want to get the 1/5 scale for my World Models Cub.


Will do



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