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Search: Posts Made By: dutch Jan Hermkens
Showing results 1 to 25 of 141
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Forum: Twin & Multi Engine RC Aircraft
09-03-2021, 09:41 AM
Replies: 13
Views: 4,909
Posted By dutch Jan Hermkens

hi Guys, Im searching for Laser 70 engine. the...

hi Guys,
Im searching for Laser 70 engine. the old type with the Super tigre carburator.
This as replacement for one of the engines of my 4 meter B-17.

Kind regards,
Jan Hermkens
Netherlands
...
Forum: Scratch Building, Aircraft Design, 3D/CAD
09-03-2021, 09:38 AM
Replies: 35
Views: 9,999
Posted By dutch Jan Hermkens

hi Guys, Im searching for Laser 70 engine. the...

hi Guys,
Im searching for Laser 70 engine. the old type with the Super tigre carburator.
This as replacement for one of the engines of my 4 meter B-17.

Kind regards,
Jan Hermkens
Netherlands...
Forum: Marketplace
09-03-2021, 09:32 AM
Replies: 0
Views: 422
Posted By dutch Jan Hermkens

Laser 70 engine. the old type.

hi Guys,
Im searching for Laser 70 engine. the old type with the Super tigre carburator.
This as replacement for one of the engines of my 4 meter B-17.

Kind regards,
Jan Hermkens
Netherlands
Forum: Scratch Building, Aircraft Design, 3D/CAD
03-01-2015, 12:37 AM
Replies: 35
Views: 9,999
Posted By dutch Jan Hermkens

Hi Kenny, a long time since the last time I...

Hi Kenny,

a long time since the last time I heard from you!
How is the building of the B-17 going?

My A-26B is progressing fast now. www.janhermkens.nl
I will spray the model at the end of...
Forum: RC Warbirds and Warplanes
05-10-2014, 11:42 AM
Replies: 2,941
Views: 385,401
Posted By dutch Jan Hermkens

Douglas A-26B Invader

hi,
Here some pictures of my new project; The Douglas A-26B Invader, also from own plan, scale 1/5,9th, span 3,60m (142").
When I started the project, the estimated weight was 22kg (48Lbs), the...
Forum: Scratch Building, Aircraft Design, 3D/CAD
05-10-2014, 11:25 AM
Replies: 35
Views: 9,999
Posted By dutch Jan Hermkens

Hi, The CDScaledesigns does not exist...

Hi,

The CDScaledesigns does not exist anymore, for 2 years now,
His designs were quite on their weight, for example his 1/10th B-17 weights only 4 pounds (2kg= over 4Lbs) lesser than my 1/8th...
Forum: Scratch Building, Aircraft Design, 3D/CAD
04-11-2014, 02:19 AM
Replies: 35
Views: 9,999
Posted By dutch Jan Hermkens

I have updated my plans of my large Scale models...

I have updated my plans of my large Scale models in 2010; 1/10th B-17 (125”), 1/10th Short Sunderland (136”), 1/6,6th P-61 Black Widow.
a.o.t., I changed the joiners into Alum. Tubes & Carbon...
Forum: RC Warbirds and Warplanes
07-02-2013, 12:59 AM
Replies: 2,941
Views: 385,401
Posted By dutch Jan Hermkens

RE: For those who love World War Two Fighters

Hi Phil,

here my 1/8th B-17 last weekend during the Dutch Warbird & Scale Meeting at my homebase in Oss, NL.
Unfortunally the quality ist not so good!

...
Forum: Twin & Multi Engine RC Aircraft
11-06-2011, 02:16 PM
Replies: 8
Views: 1,218
Posted By dutch Jan Hermkens

RE: ESM BF-110C

But the sound of 2x four stroke engines is much much more nicer, and especially the lasers, than 2 strokes petrols.

regards,
Jan
Forum: Scratch Building, Aircraft Design, 3D/CAD
08-18-2011, 07:46 AM
Replies: 17
Views: 3,825
Posted By dutch Jan Hermkens

RE: What does this mean 80/10 balsa

I am sorry to tell you all, but pound or Lbs, or Kilogram, Inches or cm, this all was not the issue from Slickporsche, he just wanted to know what the french meant with their balsa dimensions.
By...
Forum: Scratch Building, Aircraft Design, 3D/CAD
08-07-2011, 04:31 AM
Replies: 17
Views: 3,825
Posted By dutch Jan Hermkens

RE: What does this mean 80/10 balsa

hi guys,

Even the other european modellers don't understand the french sometimes.
Almost all over Europe we use the same name for balsa sheets.

for example; our sheets are 100mm width,...
Forum: Scratch Building, Aircraft Design, 3D/CAD
08-06-2011, 01:35 PM
Replies: 35
Views: 9,999
Posted By dutch Jan Hermkens

RE: Jan Hermkens B17

Hi Jeff,

Cowlings,Turrets and Retracts;
The cowlings are made from aluminium stove pipe with a 3mm plywood former half glued in. To these formers the radial motor-dummies were glued, and then...
Forum: Scratch Building, Aircraft Design, 3D/CAD
08-06-2011, 01:25 AM
Replies: 35
Views: 9,999
Posted By dutch Jan Hermkens

RE: Jan Hermkens B17

Hi Guys,

Balsa Ply is a real ply, but only from Balsa (3 cross Layers), 3mm (3x 1mm ) or 4mm (2x1mm +1x 2mm) thickness.
This Balsaply (Balsasperholz) I have made it in the past myself, but now...
Forum: Twin & Multi Engine RC Aircraft
07-27-2011, 01:54 PM
Replies: 10
Views: 1,127
Posted By dutch Jan Hermkens

RE: Best engines for my Dakota ?

Hi,

give me the Wingarea and can calculate the max. weight for some engines. I know the scale now, it is 1/12th, correct?

kind regards,
Jan
Forum: Twin & Multi Engine RC Aircraft
07-27-2011, 03:10 AM
Replies: 10
Views: 1,127
Posted By dutch Jan Hermkens

RE: Best engines for my Dakota ?

If you give me some Data of the model, I can calculate the engines for you.

I need; the Scale, Wingarea and weight of your model.

For example I have also flown in the past;
Junker 88;...
Forum: Twin & Multi Engine RC Aircraft
07-26-2011, 02:46 AM
Replies: 10
Views: 1,127
Posted By dutch Jan Hermkens

RE: Best engines for my Dakota ?

Hi,

2x Laser 70 four-stroke. (lowest hight of all 4-strokes in this class).

I only use Laser engines for my Scale and warbird models;

B-17 1/8th (158") 4x Laser 70
P-61 1/6.6th...
Forum: RC Warbirds and Warplanes
04-11-2011, 11:45 PM
Replies: 2,941
Views: 385,401
Posted By dutch Jan Hermkens

RE: For those who love World War Two Fighters

hi Phil,

your friend must have built the smaller one from my 1/10th plan, which I flew in the 80ties. As you know, I am flying now a 1/8th version of my plan.

It would be an honour to give...
Forum: RC Warbirds and Warplanes
04-11-2011, 09:10 AM
Replies: 2,941
Views: 385,401
Posted By dutch Jan Hermkens

RE: For those who love World War Two Fighters

P-61 pictures

for more or other pictures see my homepage:

www.janhermkens.nl

kind regards,
Jan
Forum: RC Warbirds and Warplanes
04-11-2011, 09:05 AM
Replies: 2,941
Views: 385,401
Posted By dutch Jan Hermkens

RE: For those who love World War Two Fighters

Hi Phil,

there are so many Pictures of both of my planes, I will post some pictures here (you can use them for the UK forum, but which forum is that?)
For more or other pictures have a look at...
Forum: RC Warbirds and Warplanes
04-11-2011, 07:43 AM
Replies: 2,941
Views: 385,401
Posted By dutch Jan Hermkens

RE: For those who love World War Two Fighters

hi Phil,

there is a real great chance that I will come with my 4m Span B-17 (1/8th, 19kg) & 3,10m span P-61 (1/6,5th, 18,5 kg) to Tibenham for the salute to the 445th bomb Group Event on Friday...
Forum: RC Warbirds and Warplanes
01-11-2011, 08:08 AM
Replies: 2,941
Views: 385,401
Posted By dutch Jan Hermkens

RE: For those who love World War Two Fighters

Hi Phil,

probable it will fit in my scedule, but I have a lot of invitations for 2011, all over Europe.
When it fits, I will come to England with my 1/8th B-17 (span 4m= 158") and my 1/6.6th...
Forum: RC Warbirds and Warplanes
12-21-2010, 12:25 AM
Replies: 2,941
Views: 385,401
Posted By dutch Jan Hermkens

RE: For those who love World War Two Fighters

Hi Phil,

I wish you a merry Christmas too, and a happy New Year.
The same weather over here!!! (Netherlands).

kind regards,
Jan
Forum: Twin & Multi Engine RC Aircraft
10-24-2010, 04:43 AM
Replies: 2
Views: 886
Posted By dutch Jan Hermkens

RE: P-61 or XF-11 with DL30

Hi,

I have a plan of a 1/6,6th P-61 Black Widow (own plan). Span 122" , weight 40 lbs. The model was very succesfull in the European Scale Contest scene.
Very light; 7% larger, but totality...
Forum: RC Warbirds and Warplanes
07-26-2010, 09:44 AM
Replies: 2,941
Views: 385,401
Posted By dutch Jan Hermkens

RE: For those who love World War Two Fighters

June 2008, because coloured pictures in 1942 were very rare. :D:D:D

cheers,
Jan
Forum: Twin & Multi Engine RC Aircraft
03-01-2010, 05:19 AM
Replies: 2
Views: 677
Posted By dutch Jan Hermkens

RE: formula for single to twin

hi,

from single to twin = x0,85. So; .60x0,85= .51 = 2x .25

from single to triple= x0,75. So; .60x0,75= . 45= 3x .15

from single to four= x0,65. So .60x0,65= .39= 4 x .10

kind...
Showing results 1 to 25 of 141
 
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