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Search: Posts Made By: Turbotronic
Showing results 1 to 25 of 468
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06-08-2018, 12:59 PM
Replies: 16
Views: 3,143
Posted By Turbotronic

We had one on our testbench a while ago. It does...

We had one on our testbench a while ago. It does produce 260N. EGT off the scale. We only measure up to 999C. ECU shows 500 odd.... Seems this is the norm though. Other engines we have tested showed...
Forum: RC Jets
05-02-2018, 10:36 PM
Replies: 457
Views: 69,785
Posted By Turbotronic

Well I am greatly relieved having only ever used...

Well I am greatly relieved having only ever used JR since early 80's. At the time we even got all the schematics for all the rx and tx pcb's as backup.
Just to recap. JR DSSS is way superior to...
Forum: RC Jets
02-23-2018, 11:50 PM
Replies: 63
Views: 4,939
Posted By Turbotronic

Awesome! You must have pretty good eyesight to...

Awesome! You must have pretty good eyesight to maintain orientation at that speed. Do you use any type of gyro to smooth things out?
Andre
Forum: RC Jets
10-20-2017, 08:34 AM
Replies: 423
Views: 39,050
Posted By Turbotronic

It is a firefox thing. I right click on an image...

It is a firefox thing. I right click on an image to" view image". After that it works again...
Forum: RC Jets
10-15-2017, 10:24 PM
Replies: 22
Views: 1,911
Posted By Turbotronic

I have been using a system best described as the...

I have been using a system best described as the ultimate fuel trap on the vents. Basically the opposite of a UAT...
It has an anti siphon valve to let air in but not out. So no pressure drops are...
Forum: RC Jets
09-29-2017, 11:21 PM
Replies: 423
Views: 39,050
Posted By Turbotronic

Very nice work. Looks like you work at a very...

Very nice work. Looks like you work at a very fast pace! I am wondering about the alu technique with so much detail. How did you make sure the mold have good release from plug?
Just polish or...
Forum: RC Jets
09-26-2017, 12:25 PM
Replies: 176
Views: 24,681
Posted By Turbotronic

I have the smaller one which appears an exact...

I have the smaller one which appears an exact copy of the 1/6 th. Unfortunately both are quite inaccurate. As an example compare the splitter plate and air inlet positions vs the canopy positions,...
Forum: RC Jets
09-07-2017, 12:35 AM
Replies: 46
Views: 4,008
Posted By Turbotronic

VAT is just that Value added tax and is payable...

VAT is just that Value added tax and is payable by the person on the receiving end of the value. If that person is outside of the country of the person adding the value ( repair facility) he cannot...
Forum: RC Jets
08-23-2017, 11:12 PM
Replies: 31
Views: 11,456
Posted By Turbotronic

Gerald is very busy with work AFAIK. The 220 is a...

Gerald is very busy with work AFAIK. The 220 is a work in progress and not quite ready yet. Whether he will release plans I do not know. But his work is legendary.
Andre
Forum: RC Jets
08-21-2017, 12:47 PM
Replies: 38
Views: 2,270
Posted By Turbotronic

The green line next to shoe is of course not the...

The green line next to shoe is of course not the hinge line but the panel line. The LEF hinge-line is forward of that, albeit rather faint since the fit is so good.
Forum: RC Jets
08-21-2017, 09:46 AM
Replies: 38
Views: 2,270
Posted By Turbotronic

Not an expert myself. The drawing file name...

Not an expert myself. The drawing file name suggests block_30 but that is all I know.
Does the pic mean anything to anyone? Note the date.
Forum: RC Jets
08-16-2017, 04:07 AM
Replies: 38
Views: 2,270
Posted By Turbotronic

From the McDonald Douglas loft factory drawings...

From the McDonald Douglas loft factory drawings for block 30 I think ( Drawing LS 275-52 ) dated 8/4/76.
Given 200" = 1015,2 mm (my scale of drawing is 1/5 th) the root at center fuselage is...
Forum: RC Jets
07-24-2017, 10:56 PM
Replies: 4
Views: 555
Posted By Turbotronic

Maybe not, the stub wings can on opposite side...

Maybe not, the stub wings can on opposite side have the batt's. Also the turbine is on the correct side if the intention is to counteract the main rotor torque. Reminds me of the Cayenne with pusher...
Forum: RC Jets
06-28-2017, 11:50 PM
Replies: 60
Views: 3,097
Posted By Turbotronic

Jan, Hoe haastig is jy. Ek kan iets vir jou...

Jan,
Hoe haastig is jy. Ek kan iets vir jou bewimpel as jy te veel sukkel.
Andre
Forum: RC Jets
06-14-2017, 01:33 PM
Replies: 176
Views: 24,681
Posted By Turbotronic

Yes

Yes
Forum: RC Jets
06-14-2017, 01:25 PM
Replies: 176
Views: 24,681
Posted By Turbotronic

No, its a Skymaster F4 that I have, the smaller...

No, its a Skymaster F4 that I have, the smaller one.
Rather poor video of the original owners test flight.
F4 skymaster testflight part 1 - YouTube
Forum: RC Jets
06-14-2017, 12:13 PM
Replies: 176
Views: 24,681
Posted By Turbotronic

Could be wrong about the motor but it was a...

Could be wrong about the motor but it was a Kingtech. Flew with authority so possibly it was a 210? One of the engineers here is building the motor as part of R&D in our CNC shop. yet to run, still...
Forum: RC Jets
06-14-2017, 07:25 AM
Replies: 176
Views: 24,681
Posted By Turbotronic

About to test a new prototype 250N engine. If...

About to test a new prototype 250N engine. If successful will use that. It has flown with a 140N engine by the previous owner I think.
Forum: RC Jets
06-14-2017, 04:18 AM
Replies: 176
Views: 24,681
Posted By Turbotronic

I will try same CG on mine. The downthrust I...

I will try same CG on mine. The downthrust I think may be compensated for by the exhaust gas/airstream causing neg lift on the stab, cancelling each other out for the most part. Same reason the BVM...
Forum: RC Jets
06-13-2017, 01:03 PM
Replies: 176
Views: 24,681
Posted By Turbotronic

I have attached a screengrab from my cad overlay....

I have attached a screengrab from my cad overlay. Notice how the intake ducting goes over the wing box area and the thrustline being pretty steep. I measured 5 deg, not 15 as above....
Forum: RC Jets
06-12-2017, 11:15 PM
Replies: 176
Views: 24,681
Posted By Turbotronic

I love the F4. I have owned a Tom Cook D/F one...

I love the F4. I have owned a Tom Cook D/F one about 25 years+ ago. Sold it before completion. Recently purchased the SM F4 but have not flown it yet.
I am currently modeling a 1: 5.56 100% scale...
Forum: RC Jets
04-24-2017, 04:51 AM
Replies: 7
Views: 679
Posted By Turbotronic

https://www.smooth-on.com/product-line/foam-it/ ...

https://www.smooth-on.com/product-line/foam-it/
I am considering making "inner tubes" from above for inflatable tires. Similar to that used for puncture proof mountain bikes...
Andre
Forum: RC Jets
03-16-2017, 11:16 PM
Replies: 5
Views: 467
Posted By Turbotronic

Thanx for the feedback.

Thanx for the feedback.
Forum: RC Jets
03-15-2017, 01:37 AM
Replies: 5
Views: 467
Posted By Turbotronic

Thanx, good to know, looking forward to getting...

Thanx, good to know, looking forward to getting it in the air.
Andre
Forum: RC Jets
03-15-2017, 12:16 AM
Replies: 5
Views: 467
Posted By Turbotronic

No one knows?

No one knows?
Showing results 1 to 25 of 468
 


 
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