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 Queen bee.074 Head and complete needle valve  Cox_ba12





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Queen bee.074 Head and complete needle valve

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Wanted Queen bee.074 Head and complete needle valve

Post  F4D Phantom II Thu Apr 11, 2019 10:47 am

I would like to buy a Cox Queen Bee Head and  Needle Valve with spray bar. items must be in good cosmetic shape with no plier marks.Thanks.
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Wanted Re: Queen bee.074 Head and complete needle valve

Post  aspeed Thu Apr 11, 2019 11:06 am

Cox International or EX model engines carry the complete carb and some parts for the .074. I believe the .09 Tee Dee head fits and would be an upgrade.
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Wanted Re: Queen bee.074 Head and complete needle valve

Post  F4D Phantom II Thu Apr 11, 2019 12:49 pm

Hello aspeed
I have been able to get the needle already but still would like to get a head, I`m going to do a mod to the head as I will be trying to coax more power from the engine.
Juan
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Wanted Re: Queen bee.074 Head and complete needle valve

Post  aspeed Thu Apr 11, 2019 1:22 pm

You could put in a Nelson or turbo plug in the TD .09 head but would only match what it was originally. The 1/4" - 32 plug will never match either of those options, even if you raise compression IMHO.
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Wanted Re: Queen bee.074 Head and complete needle valve

Post  Surfer_kris Thu Apr 11, 2019 3:23 pm

A Turbo plug head helps with the power and the TD .09 head (a direct drop-in) should also be an improvement of the stock regular plug. One can also trim down the outer diameter of the spray bar in the carb for a bit of extra rpm, but then the low end fuel-draw is also reduced with that mod.

Here is a short video of the Queen Bee with a Turbo plug, the top end power is quite good and comparable to the TT .07GP, for instance. The engine throttled better/nicer on a 6x4 prop but then engine would heat up an sag a little after prolonged full throttle runs.

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Wanted Re: Queen bee.074 Head and complete needle valve

Post  F4D Phantom II Thu Apr 11, 2019 6:21 pm

Hello Surfer_Kris and aspeed
Thanks for replying guy`s. I`m going to start a thread on the engine Forum. see you there.
Juan
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Wanted Re: Queen bee.074 Head and complete needle valve

Post  Scotty68 Mon Apr 29, 2019 9:11 am

F4D Phantom II wrote:I would like to buy a Cox Queen Bee Head and  Needle Valve with spray bar. items must be in good cosmetic shape with no plier marks.Thanks.
Juan
                                   
Hi Juan, Did you ever find your Queen Bee head?
Scotty68                                                                                                
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Wanted Re: Queen bee.074 Head and complete needle valve

Post  F4D Phantom II Thu May 23, 2019 1:25 pm

Hello Scotty68
I`m sorry I haven`t responded sooner but I had not noticed your posting. I had no luck finding one, I stopped working on the engine and started working on a reedy .049 and I`m still doing a little more work. I looked around here and ebay but the parts seem hard to find. I will patiently wait for something to show up. Thanks for asking.
Juan
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Wanted Re: Queen bee.074 Head and complete needle valve

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