Go Back  RCU Forums > RC Airplanes > RC Jets
Reload this Page >

MUTIPLEX JET DF PROJECT, CHECK THIS OUT..

Community
Search
Notices
RC Jets Discuss RC jets in this forum plus rc turbines and ducted fan power systems

MUTIPLEX JET DF PROJECT, CHECK THIS OUT..

Thread Tools
 
Search this Thread
 
Old 08-14-2005, 02:40 AM
  #1  
dragonpilot
Senior Member
Thread Starter
My Feedback: (38)
 
dragonpilot's Avatar
 
Join Date: Feb 2005
Location: Austin, TX
Posts: 315
Likes: 0
Received 0 Likes on 0 Posts
Default MUTIPLEX JET DF PROJECT, CHECK THIS OUT..

Hey All,

So I resurrected a Multiplex Twinjet and installed a Nitro fan unit/engine from a Kyosho F16. Anybody else do this? Here is a link to more info on this "garage days" project. http://www.rcmachinery.com/multiplex...ed_fan_pro.htm

Here is the pic:
Attached Thumbnails Click image for larger version

Name:	Nl29207.jpg
Views:	8
Size:	64.6 KB
ID:	309813   Click image for larger version

Name:	Ec87699.jpg
Views:	8
Size:	64.6 KB
ID:	309814  
Old 08-14-2005, 02:50 AM
  #2  
Ram-bro
My Feedback: (101)
 
Join Date: Jan 2002
Location: Bennington, NE
Posts: 5,816
Received 6 Likes on 6 Posts
Default RE: MUTIPLEX JET DF PROJECT, CHECK THIS OUT..

so has it flown?inquiring minds wanna know
Old 08-14-2005, 02:52 PM
  #3  
pecojets
Senior Member
 
Join Date: Jul 2002
Location: STO DGO , DOMINICAN REPUBLIC
Posts: 224
Likes: 0
Received 0 Likes on 0 Posts
Default RE: MUTIPLEX JET DF PROJECT, CHECK THIS OUT..



easy tiger were are you ?????

does the jet balance well ?? with out lead in the nose ?????

pecojets
Old 08-14-2005, 04:46 PM
  #4  
EASYTIGER
Banned
My Feedback: (119)
 
Join Date: Dec 2001
Location: nyc, NY
Posts: 7,676
Likes: 0
Received 1 Like on 1 Post
Default RE: MUTIPLEX JET DF PROJECT, CHECK THIS OUT..

Pretty excellent! I just flew Joe Beshar's Toki Shrike at LBJR last week, it went like stink, probably 85 mph or more(anybody who watched it, check me on that), it was three pounds and was just great, yours shold be even better. The toki shrike is just a shrike with the toki engine stuck on top. Uses a takeoff dolly. Which you will also need to get airborne...or a really good throw...
Cool!
Old 08-14-2005, 06:10 PM
  #5  
seanreit
My Feedback: (60)
 
seanreit's Avatar
 
Join Date: Apr 2002
Location: Cedar Park, TX
Posts: 7,434
Received 7 Likes on 3 Posts
Default RE: MUTIPLEX JET DF PROJECT, CHECK THIS OUT..

Tim, cool jet, I heard about the performance of this airplane today, Tim visited the ICU waiting room for a while. Awesome airplane bud, can't wait to see it.

Sean
Old 08-14-2005, 06:33 PM
  #6  
EASYTIGER
Banned
My Feedback: (119)
 
Join Date: Dec 2001
Location: nyc, NY
Posts: 7,676
Likes: 0
Received 1 Like on 1 Post
Default RE: MUTIPLEX JET DF PROJECT, CHECK THIS OUT..

How did it fly?
Sorry to hear about your brother, I told my sister-in-law, she's a nun, and her whole order did a prayer for him. Hope it helps.
Old 08-14-2005, 11:39 PM
  #7  
dragonpilot
Senior Member
Thread Starter
My Feedback: (38)
 
dragonpilot's Avatar
 
Join Date: Feb 2005
Location: Austin, TX
Posts: 315
Likes: 0
Received 0 Likes on 0 Posts
Default RE: MUTIPLEX JET DF PROJECT, CHECK THIS OUT..

Well the maiden for this jet was today. Man, it was very windy and gusty. I had no business flying a piece of foam today but I was determined. I only used the 10%df fuel today and will test it next with the 30%. I only tach'd it up to 24K so there is plenty of room for more power generation there.
So...
It went well considering the conditions. Even with only 24K rpm this thing climbed at about 70degrees from the hand launch, I was impressed. Jason Duda assisted me with good tosses into the wind. You can't go wrong with a world class pylon racer sending your aircraft off.
There were some engine issues as I ran it a bit rich but it was just too windy today, I was getting blown around.
The jet flies very agile but sensitive so I had to pile on the expo. but I believe that due to the mounting location of the fan unit, there is increased sensitivity to roll (which I voiced in my write up) so that is a concern. I'll need to dial in more expo to keep this at bay but the jet is extremely jumpy. (it was anyway). I was also getting a lot of wing flex because with fighting the wind so this hampered it as well.
I think on a calm morning I will have a better observation of the flight characteristics but I can tell you that this jet can giddy up.
Not bad for a piece of foam. It was a great flyer as an electric but I need smoke or fire coming out my.... For some reason, I can't stay with the electric stuff.

I posted a quick video of some footage taken today if you are interested, check out the website.

-for some reason this bottom of the jet silouette reminds me of that klingon ship in wrath of kahn. maybe that is the design basis.
Old 08-14-2005, 11:45 PM
  #8  
dragonpilot
Senior Member
Thread Starter
My Feedback: (38)
 
dragonpilot's Avatar
 
Join Date: Feb 2005
Location: Austin, TX
Posts: 315
Likes: 0
Received 0 Likes on 0 Posts
Default RE: MUTIPLEX JET DF PROJECT, CHECK THIS OUT..

Peco,
I balanced it perfect without adding weight, however, with that said, there is much fiberglass reinforcement on the front end from a nice spill earlier in the jets life. With the fuel, it ran a bit heavier in the nose which wasn't an issue as the thrust angle of the fan unit provides plenty of up lift. I'll know more on a calmer day.
Old 08-15-2005, 02:52 AM
  #9  
SJN
 
Join Date: Sep 2002
Location: Copenhagen, DENMARK
Posts: 6,325
Likes: 0
Received 6 Likes on 6 Posts
Default RE: MUTIPLEX JET DF PROJECT, CHECK THIS OUT..

I have tried to use the Kyosho F-16 EDF, and it also flew well

Also 25FP puser powered. Flew great, but was pretty hard to hand launch because of the high weight.
Attached Thumbnails Click image for larger version

Name:	Ec88832.jpg
Views:	13
Size:	121.3 KB
ID:	310311   Click image for larger version

Name:	Xs59789.jpg
Views:	7
Size:	16.2 KB
ID:	310312   Click image for larger version

Name:	Lq36568.jpg
Views:	8
Size:	36.9 KB
ID:	310313   Click image for larger version

Name:	Xr46056.jpg
Views:	14
Size:	44.1 KB
ID:	310314  

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.