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All Forums >> RC Airplanes >> Pattern Flying >> Ys Dz
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Ys Dz - 5/21/2003 9:11:40 AM   
Clay Schmidt


 

Posts: 10
Joined: 12/8/2002
From: Pawnee Rock, KS,
Status: offline 		I would really be interested in hearing your experiences with the DZ in regards to, engine mounts, exhaust systems, firewall construction, & generally anything about a DZ that may require something different construction wise as compared to a 140L or a two stroker.

Thanks,

Clay
       Post #: 1

my setup - 5/22/2003 10:44:09 AM   
Troy Newman


 

Posts: 2429
Joined: 12/30/2001
From: Goodyear, AZ, USA
Status: offline 		This is what works for me:

1/8" Aircraft ply firewall
Hyde Mount AR or AR(A) type
Central Hobbies Header
Hatori 693 pipe

normal stuff for construction.

(in reply to Clay Schmidt)
       Post #: 2

Ys Dz - 5/23/2003 4:00:25 PM   
MAaltonen


 

Posts: 2
Joined: 5/23/2003
From: Turku, FINLAND
Status: offline 		Hi,

This works in ZNLine Enigma:

Mount:ZNLine. It has a nice feature to limit Y.S. kick sideways to protect cowl.

Firewall: 3mm Hybrid Carbon/Aramid fabric 188g/m^2 in both sides, between 3mm aramidhoneycomb 29g/m^2. Very light firewall~20g ! Original was 40g.

Exhaust: 185mm Asano header+630mm straight Asano carbon pipe

BR. Markus

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(in reply to Clay Schmidt)
       Post #: 3

Re: my setup - 5/23/2003 9:56:24 PM   
Cdallas2



Posts: 547
Joined: 2/7/2002
From: Kamloops, BC,
Status: offline 		[QUOTE]Originally posted by tnewman
This is what works for me:

1/8" Aircraft ply firewall [/QUOTE]

Really that's it. My 40 sized Tracer uses 2: 1/8" ply sheets glued together.

Do you have any long-term problems with this?

_____________________________

Help!!!! Help!!!! I'm Being Repressed!!!!

(in reply to Clay Schmidt)
       Post #: 4

Ys Dz - 5/23/2003 10:52:46 PM   
JWN



Posts: 4983
Joined: 3/26/2002
From: Florence, TX, USA
Status: offline 		Firewalls are amazingly over built on almost all models. I use a single 1/4" thickness firewall on my 28% Extra 300s with an OS BGX (2.13cu). I have .25 sized kits at home with 1/4" AC ply firewalls. 1/8" is more than adequate for the vast majority of models up to and including 1.4 4-strokes. The smaller the area of the firewall, the lighter it can be constructed. As long as it doesn't flex, there's no problem.

John

(in reply to Clay Schmidt)
       Post #: 5

long term problems? - 5/24/2003 5:03:18 AM   
Troy Newman


 

Posts: 2429
Joined: 12/30/2001
From: Goodyear, AZ, USA
Status: offline 		I don't know I put over 1000 flights on a Fashion in 00', and an Ariel in 97'...These both are still flying with other pilots for several years now.....

Is this long term enough for you?

I guess what works for some doesn't work for others....Its just like (3) 4-40 bolts holding my motor mount to the firewall....Never had an issue....

TN

(in reply to Clay Schmidt)
       Post #: 6

Ys Dz - 5/24/2003 5:29:42 AM   
Cdallas2



Posts: 547
Joined: 2/7/2002
From: Kamloops, BC,
Status: offline 		That's good to know. I'll try that on my next one for sure. Thanks guys.

_____________________________

Help!!!! Help!!!! I'm Being Repressed!!!!

(in reply to Clay Schmidt)
       Post #: 7

Firewalls - 5/24/2003 8:07:59 AM   
Clay Schmidt


 

Posts: 10
Joined: 12/8/2002
From: Pawnee Rock, KS,
Status: offline 		Many thanks to all for your replies.

As I told Troy on the NSRCA list I plan on building one of my brother's Defiants. He's always run a 140L in this design and he uses a 1/8 ply firewall. He's used both a Hyde mount and the Gator mount with good success. Both of us plan to use a DZ in the future and we weren't sure about any necessary changes. Doesn't sound like any are needed. Again thanks to all for your input.

Clay Schmidt

(in reply to Clay Schmidt)
       Post #: 8

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