Niez13
Elite member
Awesome! Can’t wait! Looking forward to video(with sound lol) of it flying!
That’s work too. Whatever works will do. I’m excited cause I might have to do the same thing on mine!
That’s work too. Whatever works will do. I’m excited cause I might have to do the same thing on mine!
Niez13
Elite member
Beautiful!!! Can't wait!
Monte.C
...
Nice paint job! That's very believable.
CrshNBrn
Elite member
I snuck out this morning before work and got two flights in. Mixed success. First, the good news: it balanced perfectly with a 4s 2200 battery and flew like a dream. Takeoff and landing was slow and easy, even without a steerable tailwheel. I don't have any video for this one, just a quick preflight picture. Take my word for it...the Stuka looks FANTASTIC in the air.
Unfortunately, I roached a brand-new motor in the process. It was one of those Flite Test C-Pack 2218 1180kv ones, which can usually stand the heat. My initial thought is that there was insufficient air flow around the motor due to my setting it back inside the front cowl to make the spinner fit flush. It just cooked itself- even got so hot as to melt a big cross into the tape that secures the firewall to the powerpod.
With that big 3 inch spinner out front there's probably not enough air flow in, but more importantly, there was just no place for the heat to escape. I've put some small holes with a barbecue skewer under the two side foam exhausts to let a little air in (see picture) , and am thinking about either drilling a few holes in the firewall to allow the heat to vent out, or maybe even poking even more holes in the fuselage box around where the motor would sit. Good idea/bad idea? I'm much obliged for any suggestions to improve airflow.
Unfortunately, I roached a brand-new motor in the process. It was one of those Flite Test C-Pack 2218 1180kv ones, which can usually stand the heat. My initial thought is that there was insufficient air flow around the motor due to my setting it back inside the front cowl to make the spinner fit flush. It just cooked itself- even got so hot as to melt a big cross into the tape that secures the firewall to the powerpod.
With that big 3 inch spinner out front there's probably not enough air flow in, but more importantly, there was just no place for the heat to escape. I've put some small holes with a barbecue skewer under the two side foam exhausts to let a little air in (see picture) , and am thinking about either drilling a few holes in the firewall to allow the heat to vent out, or maybe even poking even more holes in the fuselage box around where the motor would sit. Good idea/bad idea? I'm much obliged for any suggestions to improve airflow.
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Niez13
Elite member
Awesome that it flew! Not so awesome that it wasn't "cool" during flight. My guess is its a combination of two main things; How close the spinner is the front cowling piece, and did you bevel the front of the front most cowling piece(M)?
I think I need to add that bevel to the plans but I believe a bevel on piece (M) would help a little with cooling. The other possibility to add to that is to add a vent hole either on the top or bottom vents. I think it would be easier to create one for the top vent because it's all painted and complete. You may have to make a smaller length power pod to account for it. The problem with a vent on the bottom part of the box is that's where the battery goes. Not necessarily a perfect solution but a good start lol.
I think I need to add that bevel to the plans but I believe a bevel on piece (M) would help a little with cooling. The other possibility to add to that is to add a vent hole either on the top or bottom vents. I think it would be easier to create one for the top vent because it's all painted and complete. You may have to make a smaller length power pod to account for it. The problem with a vent on the bottom part of the box is that's where the battery goes. Not necessarily a perfect solution but a good start lol.
CrshNBrn
Elite member
I pulled a C pack motor off the Hellcat and gave it another whirl. See the video below for some highlights, including that awesome noseover landing. It just cruises through the air and looks super cool. Unfortunately, even after that short flight, that motor too was burnt. Could be lots of things: Maybe too heavy? Not enough ventilation? Bad motor (2218/1180kv)/propeller (10X4.7sf) combination? Its a mystery and a challenge to figure out.
In that spirit, I had a spare crappy motor leftover from a wrecked Dynam Hawker Hurricane that I put in there, plus cut out some additional venting underneath the foam exhausts. I pulled out the spinner a little bit more as well.
However, this motor/prop (same slow flyer) combo barely kept it in the air even at full throttle.
I've got another C pack motor coming soon from Flite Test. I'm thinking I should just forward my salary directly to them and cut out the middleman. I'm thinking on adding more venting (wherever possible) and reducing the prop size down to a 9X4.5sf or maybe a 9X6 and trying it out again.
I'd imagine that folks who know a lot more about motors/props then I do would be able to find a successful combination for this bird. It looks awesome in the sky- its SO BIG and just cruises.
In that spirit, I had a spare crappy motor leftover from a wrecked Dynam Hawker Hurricane that I put in there, plus cut out some additional venting underneath the foam exhausts. I pulled out the spinner a little bit more as well.
I've got another C pack motor coming soon from Flite Test. I'm thinking I should just forward my salary directly to them and cut out the middleman. I'm thinking on adding more venting (wherever possible) and reducing the prop size down to a 9X4.5sf or maybe a 9X6 and trying it out again.
I'd imagine that folks who know a lot more about motors/props then I do would be able to find a successful combination for this bird. It looks awesome in the sky- its SO BIG and just cruises.
CrshNBrn
Elite member
I removed the spinner and 10X4.7sf prop and instead put on a spare 13 X 7 X 3 prop leftover from the same wrecked Dynam Hurricane- gotta love the irony of building a new Luftwaffe plane from scrap RAF parts! I had to scootch the battery (4S 2200) back a bunch to compensate for the additional weight of the bigger stock Dynam motor, but there's plenty of room in the fuselage for adjustments. Anyway, this combination had plenty of power for scale cruising this morning.
Go build one today!
Go build one today!
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Niez13
Elite member
That looks so scale flying in the air! The paint makes it look real! Great job!
For my Stuka I run a 4s 2200mah, on a C pack size FT Radial, with a 10x4.5 prop. It is not a slow fly prop style. I am usually able to cruise around at about 50% throttle. I will say I never really used full throttle or at least for a long interval. I like to climb with about 75% throttle, then roll over into a 0% throttle dive most of the time I fly mine
. My guess is its a combination of airflow, and throttle usage. I would try flying it without a spinner just to see if that's a major variable.
CrshNBrn
Elite member
That looks so scale flying in the air! The paint makes it look real! Great job!
For my Stuka I run a 4s 2200mah, on a C pack size FT Radial, with a 10x4.5 prop. It is not a slow fly prop style. I am usually able to cruise around at about 50% throttle. I will say I never really used full throttle or at least for a long interval. I like to climb with about 75% throttle, then roll over into a 0% throttle dive most of the time I fly mine
I've got a flew flights in now with that Dynam motor (BM3720 650kv) and the three bladed prop and it seems to truck right along. Flies great! Balanced. The guys down at the field were really impressed by how much the Stuka slows down for landing. Its really a great plane. Thanks!
In other news.. now I see you've got a Helldiver?!? AWESOME! Looks like I'd better head back to Dollar Tree...
Niez13
Elite member
Awesome! Yeah I didn't expect it to be that slow on landings, but it's awesome that way!
Ha! Yeah I'm going to try and post that one to here tonight. Waiting to get better flight footage of it this weekend at Edgewater. School is now out of session so there even more models down the road.
AussieBison
Well-known member
Niez13
Elite member
!!! Don't worry, if you see them, that means there available. I just don't like showing planes before I release them.
AussieBison
Well-known member
That's understandable
must say your builds are of great quality and have super details. Keep it up! Just curious on F35 project.. remember seeing some posts about it from months ago, has that been shelved?
FlyerInStyle
Elite member
could you make a trainer style spirit of st. louis? that wouldd be so cool
Test Fly RC
Elite member
So what's the name of the airplane you're going to post tonight?
It’s the helldiver.
Test Fly RC
Elite member
A Curtiss SB2C Helldiver, sounds great!
Maybe @Niez13 / 13Squadron, will have a tailguner in the back! Lol
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