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Search: Posts Made By: blackbox747
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04-23-2023, 08:42 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Craig, the ball links are from MPJet, a Czech...

Craig, the ball links are from MPJet, a Czech company.

https://mpjet.com/shop/gb/682-ball-links

I don‘t know where to get those or similar parts in the US.

At first, I only cut the openings...
04-21-2023, 12:44 PM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Hi Craig, the hinges are Kavan flat hinges,...

Hi Craig,

the hinges are Kavan flat hinges, all other parts self made on my milling machine.

Juergen...
03-27-2023, 09:14 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Hi Todd, thanks for your reply. So...

Hi Todd,

thanks for your reply.
So everything as expected.
Hope to get it ready this summer.

Regards,
Juergen
03-26-2023, 07:23 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

P.S. My adjustable cowl flaps ...

P.S. My adjustable cowl flaps
https://cimg4.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/1169x1209/56572a06_e169_4169_84ca_bb44d95842b8_302db12db409ff6fd901e523ed5d8b498754dfd0.jpeg...
03-26-2023, 07:21 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Hi everyone, as my Zero is now almost ready...

Hi everyone,

as my Zero is now almost ready to go, I wonder, if the control throws as in the manual are correct?!
Did you adjust anything?
Are 40mm for full landing flaps enough, or do you use...
03-13-2022, 05:59 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

…and I wouldn‘t use a check valve either....

…and I wouldn‘t use a check valve either. Probably not enough pressure in the crankcase to open the check valve and blow the oil out?!
03-13-2022, 05:54 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

If you tap it into the exhaust I wouldn‘t be...

If you tap it into the exhaust I wouldn‘t be concerned about back flow. Not enough pressure. But not enough temperature either to burn the oil. Just a little more smear coming out of the exhaust…
03-12-2022, 09:17 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

https://cimg2.ibsrv.net/gimg/www.rcuniverse.com-vb...

https://cimg2.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/1500x2000/befd5b53_0d7e_4e34_af60_926dad1f5971_03bc559be9052073e77efeaab8aff1c6bacb8859.jpeg...
03-07-2022, 10:30 PM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Thanks for your thoughts, guys! I plan on...

Thanks for your thoughts, guys!

I plan on linking the flap position to the engine temperature via telemetry when the aircraft is clean and in flight and have them fully open as long as flaps and...
03-07-2022, 11:10 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

https://cimg3.ibsrv.net/gimg/www.rcuniverse.com-vb...

https://cimg3.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/1792x828/612a7acc_c5d7_4401_93f1_d4476e9f87db_5e16efade2284c389efac125716ff7c8f6f254fd.jpeg
I first thought about building something like...
03-07-2022, 11:01 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Thanks!!!!

Thanks!!!!
03-07-2022, 09:13 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Btw: Can anybody who made adjustable,...

Btw:

Can anybody who made adjustable, working cowl flaps post a picture of the linkage / servo / etc ???
Would help me very much!!

Thanks,
Juergen
03-07-2022, 09:11 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

The rear tubing is carbon, because it is well...

The rear tubing is carbon, because it is well behind the cg and the saved weight should help balancing the plane.
I used the heavy 30mm aluminium tube, because it had a perfect fit in the wing and...
03-07-2022, 09:09 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

https://cimg3.ibsrv.net/gimg/www.rcuniverse.com-vb...

https://cimg3.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/2000x1124/695e8b4f_38a6_4837_9443_f890854d73a6_afce9bc81831f84ecc683e1a44e011b3d5a19c1a.jpg
...screwed......
03-07-2022, 09:07 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

https://cimg7.ibsrv.net/gimg/www.rcuniverse.com-vb...

https://cimg7.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/2000x1504/img_1568_729a0e35fdb4969d82f6d1d8a7aea00624efd208.jpg
...made spars with my cnc mill......
03-07-2022, 09:06 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

https://cimg0.ibsrv.net/gimg/www.rcuniverse.com-vb...

https://cimg0.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/2000x1504/img_1351_a1d01df6678d7136fcf592d4f1efe847055cea91.jpg
....made custom tubes for the aluminium wing tubes...
03-07-2022, 09:04 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

https://cimg9.ibsrv.net/gimg/www.rcuniverse.com-vb...

https://cimg9.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/2000x1504/img_1567_90250291ca6ca215cdc8c801846ba092da00fcca.jpg
I dremeled out the crappy tubes...
03-07-2022, 08:57 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Hi Folks, since some guys reported a...

Hi Folks,

since some guys reported a possible weakness of the fuselage tube mounts I checked this area... and the Fuselage formers were bending under load :mad:
As the aluminium tubes had massive...
12-01-2021, 02:26 PM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Ok.... I tried, but the Moki won't fit. FG90 is a...

Ok.... I tried, but the Moki won't fit. FG90 is a perfect fit
11-16-2021, 02:38 PM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Saito FG90 has a diameter of 250mm, Moki has...

Saito FG90 has a diameter of 250mm, Moki has 255... I saw a picture of somebody fitting the cowl with a Tygon fuel line around the Saito... so maybe the Moki could fit.
Airframe strength has to be...
11-16-2021, 12:00 PM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Hi everyone, about engine weight vs CG...:...

Hi everyone,

about engine weight vs CG...: With a Saito FG84/FG90 installed, is there any additional weight in the front required to balance the plane at +/- 150mm?
A Saito FG90 has a weight of...
05-16-2021, 08:36 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Thanks for info... I have the stock ones...

Thanks for info...
I have the stock ones anyway, so I will give them a try first. If they show weakness, I probably go Sierra...
05-14-2021, 04:28 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Hi, does anybody know, if Darrell from...

Hi,

does anybody know, if Darrell from Sierra Giant sells the struts seperately?
I went electric on all my planes and just need beefy legs, that fit into my Electron actuators...

Regards,...
07-21-2020, 01:32 PM
Replies: 1,121
Views: 366,604
Posted By blackbox747

If you can reach the carb inlet with your finger:...

If you can reach the carb inlet with your finger:

- ignition OFF, FULL throttle, carb closed to choke: flip the prop 6-8 times to prime.
Primes better with throttle fully open, but ignition has...
07-11-2020, 05:18 AM
Replies: 1,121
Views: 366,604
Posted By blackbox747

Hi, I suggest to try a RAMOSER Varioprop...

Hi,

I suggest to try a RAMOSER Varioprop adjustable pitch Propeller. On my FG90 I run a 25F 3-blade hub with 21.8“ SG (wide) blades. With cooling fan in my FW190 I get 5700/7000 RPM at 12“ pitch....
Showing results 1 to 25 of 25


 
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