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P-39 by ESM

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Old 12-27-2011, 11:32 AM
  #151
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Default RE: P-39 by ESM

What spinner are you using on that.


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ORIGINAL: NoFlaps

Here's my modified ESM P-39 with the PTE36cc gasser and custom muffler to straddle the LG.
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Old 12-27-2011, 12:14 PM
  #152
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Default RE: P-39 by ESM

It's a tru-turn (p-51) parabolic... It's not correct, but close enough.
I'll get some pics of her all closed up. I've placed the throttle servo up closer towards the nose, both elevator servos are in the tail instead of the pull-pull for elevator.
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Old 01-13-2012, 11:53 AM
  #153
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Default RE: P-39 by ESM

Here she is at the field.
still a lil' paint work to do, and my steering servo came undone, so no flight yet.
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Old 01-13-2012, 01:05 PM
  #154
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Default RE: P-39 by ESM

Looks great! How does she fly?

Make sure you use all the runway for your first flight as the AOA from the front wheel height makes it "stick" to the runway until the elevators have enough authority. I ended up adding some length on mine to help with this and it's much better now. It used to JUMP off the runway

It's been a great flyer and one of my favorite ESM planes so far.


Jeff
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Old 01-13-2012, 04:45 PM
  #155
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Default RE: P-39 by ESM

I am looking for photo's of your ESM P39's as to how you set up the stearing pull pull and how you got around the scale cockpit with that and the fuel tank and throttle servo install.
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Old 01-13-2012, 04:48 PM
  #156
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Default RE: P-39 by ESM

I found that even my top flightP39 uses the whole run way and it gives me a better scale take off for sure
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Old 01-17-2012, 11:34 AM
  #157
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Default RE: P-39 by ESM

I finally got mine assembled this weekend. This thing is huge compared to my ESM Hurricane.
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Old 01-17-2012, 11:49 AM
  #158
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Default RE: P-39 by ESM

That looks very nice and very nice scale detail on the gear doors .
Looks like you went with the Air retracts . What are you using for the gear doors?

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ORIGINAL: Destroyer of Airplanes

I finally got mine assembled this weekend. This thing is huge compared to my ESM Hurricane.
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Old 01-17-2012, 12:15 PM
  #159
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Default RE: P-39 by ESM

Looking great !
please keep the pics comming
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Old 01-17-2012, 12:28 PM
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Default RE: P-39 by ESM

hyflyer,

I did go with the air retracts. I bought them when the plane first came out. They are ESM and they have a lot of slop. I'm hoping for Sierra to produce a set. For the gear doors I bought a P-47 sequencing valve from sierra. When I first built the doors (they are removable as a module) they were mechanical and closed by the wheel. I couldn't get them to work properly so I bought a one inch throw pleumatic cylinder from Sierra. As you can see U made an exact mock up of the wing to get the spacing right. It only took a couple of attempts before I got the bell crank size correct. All I had to do was reverse one bell crank and the doors either fully open or close with a one inch movement. The Nose gear doors are mechanical. They are spring loaded to open and the retracting gear pulls them closed.

Paul
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Old 01-17-2012, 12:46 PM
  #161
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Default RE: P-39 by ESM

Too bad Tru Turn doesn't make FAI spinners that big as it's the closest shape to a Bell fighter.
Chris...
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Old 01-17-2012, 12:50 PM
  #162
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Default RE: P-39 by ESM

Looks very nice are you planing on doing a scale cockpit . Also i was thinking of doing the gear doors as well but i have never done them and wouldn't know how to even get started plus i am only using a Syssa 30cc gas engine and i am concerned about the added weight .
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Old 01-17-2012, 01:08 PM
  #163
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Default RE: P-39 by ESM

hyflyer,

No, I would have to tear out too much stuff. I had most of the gear installed before the cockpit kit became available. I will just build the roll bar and put a bust pilot in. I never intended to really doll this plane up. This bird is kind of the prototype for the Palmer 92" P-63 I've got in the works. I needed to learn about tricycle gear, gear doors, brakes, lights and a bunch of other things. I believe she will be a excellent test plane.

Paul
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Old 01-17-2012, 01:17 PM
  #164
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Default RE: P-39 by ESM

Hyflyer,

My P-39 is electric so I don't have the same setup with a gas tank and engine as you will. I hid my rudder control in the tail and used a rod for it. It works great and you can only see the horn when you move the rudder. No pull-pull on mine

I didn't do gear doors as it was just a pain and I wanted to make sure it flew well first. I may go back now an install them as yours looks nice !



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Old 01-22-2012, 08:47 PM
  #165
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Default RE: P-39 by ESM

Lookie what I got my grubby little mits on! Yep, an ESM P-39 spinner. $65 from TBM. I had it in four days. I'm impressed with the quality, too. I wasn't sure what to expect from ESM. Here's the link: http://www.troybuiltmodels.com/items/ESMP39-80SP-2.html

Now if we could just get Sierra to do gear. Actually, all we really need from Sierra is a nose unit. The mains can be cobbled-together from Robart components, but for a robust, reliable, scale-looking nose gear we need Sierra!

Jay


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Old 01-22-2012, 08:55 PM
  #166
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Default RE: P-39 by ESM

Nice!

Casey
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Old 01-23-2012, 09:56 AM
  #167
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Default RE: P-39 by ESM

Nice spinner! I tried to make one from a cheap H9-P51 spinner, but couln't get it to balance.

Casey.... I think I am ready to maiden my Micko P-47

Got a 50 cc electric motor in it with two 8000 mah 6S packs spinning a 25-12 prop All 10 guage wire.. which is hard to solder with my little iron. I need a blow torch.

It should hover, but i have to check the CG and make sure the prop will clear the ground as it's a big one.


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Old 01-23-2012, 11:03 AM
  #168
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Default RE: P-39 by ESM

I've got two of the hanger9 spinners, but as this build is on hold until I finish my Fliteskin 109F, I have not done anything with them...I'll probably get one from VQ as I've never had a problem with one from them.

Jmohn...I cant wait to see the Micko in the air, best of luck to you with the maiden!

Casey
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Old 01-27-2012, 09:31 PM
  #169
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Default RE: P-39 by ESM

Jmohn how did you install the nose gear servo with your scale cockpit installed . I am planing on getting one and i am using a gas engine and have installed the tank just behind the firewall to make the room needed for the cockpit but i am concerned that the cockpit will get in the way of the pull pull for the nose wheel stearing.
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ORIGINAL: jmohn

The CG is right on the manual's recommendations. I have mine a little forward, but it flies fine that way. You might want to add a little down thrust in the motor as the wings have a little too much positive incidence in them for my taste. I am going to add about 2 degrees to mine and see how it flies. Make sure you get one of Ty's cockpit kits... they are awsome and look great in the plane. Lots of power with my setup so you can use half-throttle most of the time and get more from your battery packs.

BTW - here is a photo of the battery box.



Jeff

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Old 01-30-2012, 09:05 AM
  #170
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Default RE: P-39 by ESM

The cockpit dose not interfere with the steering in mine. It just clears the bottom of the fuse floor. You can also just add a block to get the servos up a 1/2 inch too, but it's fine as is. I would recommend that you try and extend the nose wheel too as the AOA is too shallow and it jumps off the runway if you don't.


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Old 03-27-2012, 03:55 AM
  #171
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Default RE: P-39 by ESM

Sierra Giant Scale now has Main and Nose Retracts for the ESM P-39

You can purchase them from Sierra, or Tomas at VQ Warbirds.

E-Mail me if you need Pricing

darrellcnc@aol.com

Thanks for looking
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Old 03-27-2012, 04:23 AM
  #172
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Default RE: P-39 by ESM

Tell me....how AWESOME is that?
The people spoke, and Sierra provided. They have just made alot of P-39 owners very happy. I would imagine these would also fit the P-63 (Palmer Plans).

Way to go Sierra.

I guess I'm in line to get my hot little hands on a set.
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Old 03-27-2012, 04:25 AM
  #173
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Default RE: P-39 by ESM

Nice!

Thank you Sierra!


Now to find more money....lol

Casey
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Old 03-27-2012, 04:33 AM
  #174
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Default RE: P-39 by ESM

Before I pass out again, are THOSE BRAKES I SEE!!!!!!!! [8D]
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Old 03-27-2012, 05:11 AM
  #175
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Default RE: P-39 by ESM

That landing gear looks terrific! Sierra truly know their stuff.

jmohn, if I may ask, where did you hide batteries in yr ESM Bearcat.
I am busy with one at the moment.

John.....
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