RE: Sig P-51B gas+build thread (Full Version)

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jmohn -> RE: Sig P-51B gas+build thread (1/31/2008 11:39:33 PM)

BBO,

I just got it last Friday. I have been waiting for months and luckly Paul found one form me in a warehouse somewhere. It's great and I can't believe the detail of the model. I have been working a little every night, but still don't know how much detail I want to do with it. I think I am just going to add some weathering on the panel lines and cowl. It's a very nice kit and it's going to be an electric conversion. I am going to put an E-Flight Power 110 with and 8S 5000 mah pack in it. That will give me about 1600 watts or about 2.5 HP. Should be plenty of power for that plane. Only bad thing is I can't go with a full cockpit unless I move the servo tray. That's fine because it's too much work anyway. It's going to take me a while to build and detail.


Jeff



rc34074 -> RE: Sig P-51B gas+build thread (2/1/2008 12:05:28 AM)

i have a question- when I look at the way the front of this plane blends to the spinner it doesn't look right to me. the full scale mustangs I have seen do not taper to the spinner like this model does. it looks to me like they used a spinner that is too small and made the cowl taper to fit the spinner....

or is there a version of the full scale mustang that was made this way? if you go to www.mustangsmustangs.com you can view many pics of full scale mustangs, including b models, and none of them are made like this plane.

what do you think? am i right or wrong?

Ed



jmohn -> RE: Sig P-51B gas+build thread (2/1/2008 12:19:15 AM)

Ed,

I think it's just the angle of the photo and lighting because the spinner fits perfectly. It looks just like the real thing or as close as you can get for an off-the-shelf spinner. Here's another photo that shows it better.



Jeff



bpbat21 -> RE: Sig P-51B gas+build thread (2/1/2008 2:19:25 AM)

Is there anyway a retractable tail wheel could be used?



NoFlaps -> RE: Sig P-51B gas+build thread (2/1/2008 3:27:13 AM)

You could do it, but surgery beyond what i have time for would be required...I don't think it would be that tough to do.
If I were to glass the fuse I'd do it, but I'd only do that if the wings were sheeted, which they aren't. So I'm not doing it.
The sm. robart mech or air would fit nicely.[;)]



Rip n Bank -> RE: Sig P-51B gas+build thread (2/1/2008 3:37:07 AM)


quote:

ORIGINAL: jmohn

Ed,

I think it's just the angle of the photo and lighting because the spinner fits perfectly. It looks just like the real thing or as close as you can get for an off-the-shelf spinner. Here's another photo that shows it better.



Jeff


Hi Jeff,

I have to agree with Ed on this one. Your last photo actually tends to support his point about excessive taper being evident on the cowl to match a "too small" diameter spinner. Especially if you look closely at the intersection of the cowl and the spinner where the lower prop blade is seen in your photo.

The full scale Mustang, as well as my 60- and 150- size H9's P-51's, show a smooth, continuous parabolic arc transitioning from the spinner to the leading edge of the cowl (see pics below: red spinner = H9 60; yellow = H9 150). Granted, H9 has made numerous other compromises on these "sport-scale" warbirds, but they definitely got the "spinner-to-cowl" transition right!

OK, the shrewd ones out there may point out that neither of my 'Stangs is shown with a factory-provided spinner. True, they are both Dave Brown spinners. The H9 60 didn't come with one (kudos to SIG) and the one provided with the 150-size is too flimsy to be anything but static only. That being said, the DESIGN of the cowls on both of these H9's tracks almost perfectly with a continuing parabolic curve from either the 3", or 5" aftermarket parabolic spinners, respectively.

Don't get me wrong: I still think this is an excellent ARF, and H9 had better be paying attention to SIG and TF for lots of other reasons, only one of which is factory-provided flaps on a 60-size 'Stang, but, frankly, this is a rather noticeable, and disappointing, flaw...

Rip



sam@ata -> RE: Sig P-51B gas+build thread (2/1/2008 5:09:56 AM)

OK Sean, im getting back into action for this spring so as soon as i get moved back across the river ill finish "Chautuaqua" and we can do a formation fly by. P-51b and a P-47N! Should be worth a great picture.
Im ready for that drink!!!!!! Im better and Doing good. You will have to meet her!



Jimmy Bananas -> RE: Sig P-51B gas+build thread (2/1/2008 9:14:13 AM)

bpbat21:

I'm going to try it myself in a few days..have the old and new style units......this week end will glue the wings together..since I live in the midwest,it'll be a couple of months before I can get out and fly..have installed air retracts and will take pictures of the retracts (Main) after I glue the wings together.....looks pretty good from here..................enjoy



jmohn -> RE: Sig P-51B gas+build thread (2/1/2008 5:03:50 PM)

Here's a better photo of mine ready to fly. Also a photo of a real P51B. I think they are pretty close.


Jeff





NoFlaps -> RE: Sig P-51B gas+build thread (2/1/2008 6:06:17 PM)

Sam, glad to hear you're back in the game...I can't wait to see your "n" version, and the woman too. [8D]
Let's have that drink sooner than later...How about nxt wk ?...I'll call you.

On another note of good news, power was restored to my neighborhood this morning at about 8:15 AM [8|]...So I'll be able to do some work on the engine mounting for this P-51B, hopefully ASAP.[8D]



NoFlaps -> RE: Sig P-51B gas+build thread (2/1/2008 6:08:39 PM)

Jimmy, did you get those flaps I sent you ?
I hope my drawings/ instructions will be helpful~ keep in touch and let me know how it goes. [;)]



NoFlaps -> RE: Sig P-51B gas+build thread (2/1/2008 6:10:07 PM)

jmohn,
I think you're plane looks great! I can't wait for the video.
The spinner looks pretty darm good to me, and considering it's stock...you can't beat it.



Nitrodan73 -> RE: Sig P-51B gas+build thread (2/2/2008 12:44:01 AM)

I am considering glassing this bird. I was wondering about the pre-hinged flaps. Are they already glued in? If so, do you think I can get them out without thrashing the bird? It won't take me too long to glass but the flaps are my only concern and will be the deciding factor on whether I glass or not.



bpbat21 -> RE: Sig P-51B gas+build thread (2/2/2008 1:34:15 AM)

When you talk about the wings not being fully sheeted, which parts are not sheeted? Does it affect the looks of the monokote?

Ben



Nitrodan73 -> RE: Sig P-51B gas+build thread (2/2/2008 4:56:21 AM)

BPBat,

The wing is not sheeted in the middle of the wing on both top and bottom,prett much down the whole length of the wing I think. From what I have seen, you have to look pretty hard to tell if it's sheeted or not. I am planning on sheeting mine so I can glass it. I just want to know if the flaps are easy to remove. I didn't check on mine when I saw it at the shop. I pick it up on monday.



Jimmy Bananas -> RE: Sig P-51B gas+build thread (2/2/2008 9:20:10 AM)

No Flaps:

Yes got them yesterday..instructions are exellent...will work on them when I get the P-51B done..going to glue the wings together this, week end...have the retracts in and set up..will take pictures also..My ME-109 has got the flaps all set up,( one facing one way and the other facing the other way)so will try to copy the model set ups to the P-51...Have to get SPCM rec'r for the P-51..don't think you can copy PPM to SPCM, or vice-verse..Had a stroke of bad luck, but good luck in a big way..My rec'r in my C-130, just when bananas....no signal...No not my transmitter, it's ok..the rec'r controls in the plane were jumping all around,and then it finally quit...dead as a door nail...batteries are OK....Good part is it happen on the bench,and not in the air...nuff said

Again thanx for the flaps and info..will keep you posted when I start working on them...........



NoFlaps -> RE: Sig P-51B gas+build thread (2/2/2008 7:25:02 PM)

Flaps, horns and hinges are not glued in...It'll be a piece o'cake to open up and work on. [:D] I just am loosing patience and want to fly her.



bingo field -> RE: Sig P-51B gas+build thread (2/5/2008 2:25:14 AM)

Would a 91 Saito fly this as well? Or would a 100 be better.



NoFlaps -> RE: Sig P-51B gas+build thread (2/5/2008 2:03:44 PM)

Well, it's a relatively lightweight .60 size plane, so a .91fs would work just fine...but if you happen to like loads of vertical, and swinging a bigger prop...Perhaps a 100fs would suit you better. [;)]



NoFlaps -> RE: Sig P-51B gas+build thread (2/5/2008 2:19:45 PM)

I've been soo busy with travelling for work, cleaning up after the big storms and packing up some planes I've sold, that I haven't really had a chance to do much at all. on this baby.[:o]
Here are some pics of the "scale-like" tailwheel I put in...It's the DuBro semiscale wheel, that has been mounted backwards...I also used some nitro fuel tubing to add to the shock absorbtion qualities while also extending the length of the tailwheel to ensure clearance.[8D]
I had to cr use JB weld to make an extender for the controll arm to keep it hidden inside the plane.



NoFlaps -> RE: Sig P-51B gas+build thread (2/5/2008 2:27:34 PM)

These next images only prove that I can't leave anything be without trying to modify it.
I decided that it would be fun to have a rear port for the radiator cooling...it will be a simple and lightweight addition that will be most evident on the ground.
The idea is that it will be hinged, and will be actuated by the throttle on the opposite arm of the servo. It will have a direct pushrod/ and control horn to give it a scale-like look for low speed fly by's. [8D] So as the throttle setting changes, so does the position of the door.
You can also see how the installed tailwheel looks while the temporary fitting of the radiator door is tested.
There will be tailwheel doors , but they come later~



NoFlaps -> RE: Sig P-51B gas+build thread (2/5/2008 2:30:13 PM)

...And here's the installed engine.[;)]
Unfortunately, it looks like I'll have a pretty big hole in the cheek of this plane...I wish someone would invent smaller gasoline carburators.
I'd do it, but I don't have the time.[8|]



bpbat21 -> RE: Sig P-51B gas+build thread (2/5/2008 3:27:21 PM)

I have got to hand it to you guys..."oh, I decided to put a radiator cooling port modification". I only wish I had half the building skills you fellas have.

I like the mods noflaps...I m sure she ll fly as good as she looks...



Whistling Death -> RE: Sig P-51B gas+build thread (2/5/2008 3:37:36 PM)

DUDE! That radiator cooling port is very cool! What a neat and simple little detail that will ad so much to this plane.

I saw the radiator cooling vent in action for the first time lastnight on Dogfights .



NoFlaps -> RE: Sig P-51B gas+build thread (2/5/2008 4:15:30 PM)

Thanks Guys... [8D]
I only wish I had more time for even more intricate mods; or for that matter, more skills like some of the other guys here on RCU. Some of them are really inspirational.



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