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P-40 Brotherhood (All P-40's Welcome)

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Old 05-15-2018, 02:42 PM
  #1551  
RCPilot1726
 
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Thank you so much.
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Old 05-15-2018, 04:10 PM
  #1552  
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Those 'extra' pieces don't weigh much and do have a positive effect for strength.
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Old 05-15-2018, 04:16 PM
  #1553  
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I went all the way to W-11 on both sides of the spar. Yeah, not worried about the weight either but glad that it will provide strength.
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Old 06-06-2018, 06:00 PM
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the Wasp
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any one have the Wolds Models P-40 ??

so I still have not got my Worlds Model's P-40 together, but I am working on it slowly now.. well I have to ask, I was going to put my OS 50 Hyper Heli engine in it, but I now have a new HP 61 Rear Induction engine coming, the HP weighs only 2.8oz more than the OS

(weights for both engines without mufflers)
HP 17.1 Oz,,
OS 14.3 Oz,,,

I don't know much about aerodynamics, but with a span of 57 inches I don't see a problem with the plane weighing 4 or 5 Oz heavier, can I get some comments on this ?

thanks guys !!
Jim
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Old 06-06-2018, 06:22 PM
  #1555  
the Wasp
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well after searching YouTube I have pretty much answered my own question,, here is a Wolds Model P-40 flying (until the flame out) with an OS 95V, the 95V weighs 21.10 Oz with muffler


Jim

Last edited by the Wasp; 06-06-2018 at 06:26 PM.
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Old 06-07-2018, 01:24 PM
  #1556  
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Yep you will be just fine. No worries.
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Old 06-07-2018, 06:40 PM
  #1557  
the Wasp
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the only thing is, the way the fuselage is made I can't put a larger fuel tank in it

Jim
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Old 06-08-2018, 05:48 AM
  #1558  
91zulu
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Remember that the center line tank should be inline with the center of the carb venture. A larger tank might cause fuel flow issues.
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Old 06-08-2018, 06:13 AM
  #1559  
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If the engine is mounted inverted, it will siphon fuel into the carb regardless of the tank position. Plan on starting it inverted, and flip it over when running. This is a technique discovered a long time ago by the control-line flyers when using an inverted engine. You will have to set the needle on the rich side at the start of the run to compensate for the lean setting that results when the fuel level gets below halfway. 2 ways around this; one, you can use a fuel pump or a regulator. Second, you can use a gas engine that already has a pumper-carb. There used to be a glow fuel regulator made by a company called Cline. An internet search might prove fruitful.
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Old 06-08-2018, 08:40 AM
  #1560  
the Wasp
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thank you for trying to help, but I understand all this, I will try to convert my engine by trying to install an OS Regulator on it

Jim
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Old 06-08-2018, 03:34 PM
  #1561  
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Just starting my "build" of a TF Giant Scale P-40 ARF. Add my name to the list!
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Old 06-14-2018, 05:48 PM
  #1562  
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WANTED: Yellow Aircraft P-40 Retracts. Any condition. Need parts to keep mine going!
Thanks.
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Old 06-28-2018, 11:07 AM
  #1563  
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Building a TF p-40 .60 size. Please add me.
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Old 06-30-2018, 02:57 PM
  #1564  
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Default Tf p-40 w/dle-61




My Girl.
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Old 06-30-2018, 06:56 PM
  #1565  
the Wasp
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nice !!

Jim
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Old 07-01-2018, 12:26 PM
  #1566  
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Maiden flight on the Ziroli P40 a few weeks ago, excellent, but over-propped on the zdz 80 with a 28 x 10. I wish to use a three blader, any recommendations

Ziroli maiden
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Old 07-01-2018, 12:51 PM
  #1567  
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2 inches less diameter to go to a 3-blade. Try Aircraft International as they have a nice selection. Beila looks more scale but Mejzlik tends to fly faster. Desert Aircraft is a good source foe Mejzlik props.
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Old 07-02-2018, 05:54 AM
  #1568  
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Try 25x8-10 OR 26X8 . It depends on the prop . A light prop won't over load the engine Also props with tips like a knife will rev more vs a square tip prop. Another is it also depends on whether the engine is broken in or not. If new use the lightest 25 inch props .
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Old 07-02-2018, 12:31 PM
  #1569  
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thanks gents, the engine is well used with loads of hps...... most of the lads here use 26 x 8 two bladers which seem about right. So were looking at a 24 x ? for a three blader.

regards,
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Old 07-02-2018, 02:08 PM
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28x10 is abit much prop especially if the engine is new and the prop heavy . 27x8 or 26x10 two blade is better.
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Old 07-03-2018, 01:14 AM
  #1571  
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I run a Mejzlik 24x12x3 on my Ziroli Corsair with a DA 85. This plane loves that prop.
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Old 07-18-2018, 12:04 PM
  #1572  
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25x8 3 blade or if you like 24x10. Chances are you wouldn't like the 24x10 , performance may be lacking. Engine will rev up but forward speed may not be there. If you can see if someone at your field can loan you a 24 to try out. Try a few props and see which is best for your airframe.
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Old 09-14-2018, 11:55 PM
  #1573  
Chad Veich
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Originally Posted by Chris Nicastro View Post
Hey guys Id like to find some new YA retracts for the Yellow P-40. Anyone have a set they'd part with?
I have a new kit I'm gathering parts for so any help would be appreciated !
Drop me an email if you're still looking Chris, I may be able to help you out.

cwveich@cwvmodels.com
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Old 09-24-2018, 10:34 AM
  #1574  
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We are going to list resin N-3 gunsight for Warhawks. The will come in 1/5 scale. Do you pilots would like to see some other size?




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