Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Balsa USA enforcer

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Old 07-22-2004, 08:06 PM
  #226
livinabox
 
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Default RE: Balsa USA enforcer

thats sport one ..oh my eyes ..should i be flying this fast ....i do wonder
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Old 07-23-2004, 01:30 AM
  #227
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Dash
No I don't but I would like to, how do I do that? I'm from California I lived here in CA for the past 21 years never been in NC, Do you know any one there?.

Sorry for the delay response I just got back from a 4 days trip.

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Old 07-25-2004, 07:57 AM
  #228
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Took the Enforcer up for the first time, and its just like you guys said, it is a ***** cat. Mine has an OS 61 on it but is to slow for me. It had a 11x6 APC but I installed a 11x7 and that helped get it moving better. I want to install a larger engine and want to hear what you guys think I should get. I was thinking of the Jett 90 as other engines I have from him are great. The engine is a little bit of extra money and was wondering if you think I should just get a Tiger / OS / Magnum / Rossi ? One thing this plane needs is a set of retracks, can not stand the long landing gear hanging down. I turned the rates up after two flights and like the way this plane moves. But how the heck do you do a knife edge???
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Old 07-25-2004, 09:11 AM
  #229
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This is marwen. I've been working with all kinds of different sizes of this designers models and I don't think that doing a knife edge with this wing style is doable. At least with much sucsess anyway, If you like, I'll talk to him and ask if it is possible. Also, If it were my $$$, I'd put a Rossi .90 on it. That'll smoke the daylights out of her.

Good luck
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Old 07-25-2004, 01:50 PM
  #230
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Great to hear you had a good first flight. I did retracts and cut them down two inches from the plan height.

I'm not sure of the availability of pusher props... I'm using the APC 11x7 with the Tower .75.. Turns about 14500 static with 30% heli. I have the APC 10x8 pusher but haven't tried it yet. Probably get 16,000 rpm.

A ninety size might be too much for the 10x8.... not sure... would like to hear from others..


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Old 07-25-2004, 05:54 PM
  #231
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How the hell is anyone gonna do a knife edge with no rudders ...?
come on wake up !!!
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Old 07-25-2004, 06:53 PM
  #232
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Had a blast this weekend at Michigan Jets with my DF Enforcer. Most of the turbine pilots could not believe how fast it is.

It's not hard to put functiional rudders on one, see picture. I see no reason why it wouldn't do a knife edge, altough I haven't tried it. I just like having rudders for loops, immelmans, split S's, and lining up with the runway on landing approaches.

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Old 07-25-2004, 11:55 PM
  #233
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Hi Joe.
Are you using Elevator per the plans or Elevons? and if you are which servos are you using?

Thank you.

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Old 07-26-2004, 12:26 AM
  #234
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Lots of PUSHER PROPS --- APC, ZINGER - just go to their sites@
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Old 07-26-2004, 05:53 AM
  #235
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HI Cars,

I have split elevators and ailerones. I'm just using four standard servos. This way, I can lose any one servo without losing control. It has worked very well. Have you looked at my web site on the enforcer conversion?

Joe
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Old 07-26-2004, 08:22 AM
  #236
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Hold on! I was just making a joke about doing a knife edge with the Enforcer and did not want to kick up all this dust. It was just a joke and I will save that move for my other planes. I like this plane and had a blast flying it, but want to install retracks as I hate the landing gear hanging down. A couple of guys in my club had this plane in past years and told me to keep the landing gear the same height as stock. They said it does help with take off and landing. They both lowered their gear and said it took more runway to get it off and did not land as good. Do you know anything about that?
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Old 07-26-2004, 08:29 AM
  #237
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The mad thing is that in the desructions it says ya can prop hang it ...oh well.
And ill make a note of the advice about the wheel legs ...oh yeah!!!
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Old 07-26-2004, 01:46 PM
  #238
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Nice to meet you Roto. I'll try to remember to bring the canopy out next Sunday. Since you are considering a larger engine, I forgot to mention that using the Supertigre 90 you can easily mod it to run backwards, eliminating the need for pusher props. Here's some photos from yesterday.

Chuck
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Old 07-26-2004, 03:39 PM
  #239
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The more variants of these i see the more i love it ....but grey must be hard to track in the wrong light.
Jeez thank god for the wheels and large fins. does the extra gear in front of the prop stop the flow?
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Old 07-26-2004, 06:37 PM
  #240
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It's actually flat black, but it was really sunny yesterday so it looks gray. Has plenty of power and speed. There is some extra drag of course, but no problems I can perceive with the extra structure.

Chuck
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Old 07-26-2004, 07:34 PM
  #241
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Cars,
Mine has split elevators and elevons. All four surfaces move up and down for pitch control, just the outboard surfaces move for roll control. I have one Hitec HS225BB servo on each surface.

Roto,
Mine has retracts and it sits 4" off the ground. The only reason the origonal has such tall gear is to provide adequate prop clearance. I can see why they might have a problem taking off and landing if the prop is hitting the ground. A DF conversion obviously doesn't have that concern. I would have preferred them 0.5 to 1.0" longer but I had some limitations the way I laid out the retracts. The plane takes off and lands fine, of course mine is quite overpowered.

Check out Joe's (Dash's) web site to see how he did the retracts.

Chuck,
Great looking Enforcer!

Joe
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Old 07-26-2004, 10:48 PM
  #242
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My funds are getting a little tight as my heli's are sucking it up, so I decided to leave the OS 60 on for now. I ordered a Jett pipe for it as Dub said I should see a least 1,000 more rpm, and I can use it on his 90 when I order it. I figured that I would have no loss that way and can enjoy more speed now.
I like all the custom stuff you guys have done to your planes, and hope some day I can learn to do the same. The only ones I have built are ARFs but think I might get another Enforcer and make it my first kit to build.
Chuck (Black Enforcer) Was nice to meet you also and love the way yours looks. Yes, I would like to get that canopy from you. Bring your Enforcer up again and we will put both of them up at the same time. Check you PM.

Chuck (Joeflyer) I think they where talking about the nose gear being longer so that the nose is higher. You have a awesome looking plane. What speed can you get out of that DF? Mine is red and the guys at the club say it is screaming for Russian decals. LOL
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Old 07-27-2004, 12:19 PM
  #243
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Hi Chris,

There's an enforcer kit on ebay that's selling today. Might be a good way to save some $ on your first kit.

Chuck
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Old 07-27-2004, 06:54 PM
  #244
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Roto,
My DF conversion is easily a 150+ mph plane. It has no problem keeping up with some of the turbines at jet meets.

Joe
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Old 07-27-2004, 10:59 PM
  #245
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Hey Joe
What does it take to convert it to a DF? What unit do you use?
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Old 07-28-2004, 06:40 PM
  #246
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Default RE: DF Conversion

The DF conversion origonally appeared in the Aug. 1994 edition of Flying Models Magazine, and conversion plans can be ordered from them (Plan # CF 939). It uses a Byron fan.

If you do a search in the Jets forum you'll find lots of information about it. Also you should visit Joe Lupton's web site for some excellent construction photos and additional mods.
http://members.cox.net/jluptonjets/r...techniques.htm

Joe
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Old 07-28-2004, 06:47 PM
  #247
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Can "Ramtech" be used on these iv no idea as very little know how on D/Fs
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Old 07-29-2004, 02:21 AM
  #248
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Byron fan is a pusher fan, ramtec is a tractor fan. I'm sure that the mods themselves could be modified for a tractor fan set up.

yes?
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Old 07-29-2004, 06:19 AM
  #249
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As mush as I would prefer using a RamTec or DynaMax fan, putting one on the Enforcer would require a lot more in the way of modifications. For one thing, it would be much more important to have a smooth inlet duct as well as a smooth outlet duct. Also there is the issue of the tuned pipe which would extend pretty far aft and would need to be supported. It has been done, but I don't have any photos of the mods. I would think the fan assembly would have to be moved to at least about the center of the wing root chord. I f you had some inlets such as would fit a A-4 to get outside of the fuse, it could be pretty neat.

anyone have any photos of such a mod?

Joe
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Old 07-30-2004, 12:27 AM
  #250
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Hi Joe
I actually have the pictures you want regarding the convertion with a Dynamax or Ramtech, my Enforcer is going to end up with a Ramtech I just bought one from a guy fron OH. it should be here by next week.
And yes the fan/engine combo has been moved closed to the CG as much as I could.

more pictures in the begining.

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