Forza 2.5

[MartinH]

Thanks for taking the time to explain the Ethos diff setup Wayne, i tested it and it works perfectly using the rudder trim

I went a bit crazy and also added some voice call-outs for ‘more diff’ and ‘less diff’ to help me remember which way is which when in the air.

Gonna give it a go later today.

Cheers, Martin

 

[Wayne]

That is a great idea. I need to do the same.

 

[MartinH]

Hi all,

Great lift at the slope today and the Forza was awesome - really happy with my new plane

Only 15 to 20mph but straight up from the cliffs and i could more or less do any manoeuvre in the book.

I tried the snap flap and it’s definitely staying

Here’s a ittle video snippet from my mate’s phone:

Still grinning from ear to ear

Martin

 

[MartinH]

And another even better - buttery smoooooth

 

[Outlander51]

Wow amazing location and nice smooth flying. Where is that? Bet you drew a crowd…

 

[Doc James Hammond]

And another even better - buttery smoooooth

View attachment 23785

Eastbourne?

Doc.

 

[MartinH]

Thanks chaps and yes it’s a superb location - the other side of the English Channel from Eastbourne, between Calais and Boulogne in northern France.

just to say that I’m not most expert or adventurous flyer but the Forza makes it look like i know what I’m doing …

Martin

 

[Outlander51]

Hi Guys,

Just finishing up the last little bits on my Forza and it occurred to me that I might be measuring the cg from the wrong location. Due to my electronic cg machine and not being able to reduce how wide it is my cg measurements are from 3” outwards from the fuselage… no doubt this is the wrong place - correct me if I’m wrong the measure should be taken from right at the edge of the fuselage shouldn’t it?

Does anyone else here is use the “GliderCG” machine and if so how do you rate its accuracy?

 

[Hill Hobbit]

Hi Myles, I’ve been using a MPX rocking arm cg checker for many years, but treated myself to a Glider CG rig several months ago. Nice piece of kit! Trying several models on the digital scales showed really no difference between the two. In other words, they’re both pretty accurate. My F3f racing buddies swear by the GliderCG rig when sorting out their ballast placement in their racers.

With my Forza on the digital rig centrally between the posts, I’ve measured 48mm from the fus joint to the centre of each post, so I don’t know how you arrive at 3”, unless you have a super wide version of my standard GliderCG rig?

The way to use the rig really accurately, making sure the cg is set from the wing’s leading edge at the root, is to set the model back from the posts a small amount to take into account the taper of the wing. If the wing has a completely straight leading edge like my Swift (or an Edge 540 power model), the model’s wings go hard up to the posts. Easy!
If the wing is tapered, all I do is put some masking tape on the top of the leading edges of a model in the areas of the posts, then mark the positions of the posts. Then hold a wing panel vertically on the edge of a flat surface (not on the incidence pegs) with a small plastic square at the leading edge. It’s then really easy to see how much of a gap you have between the square’s vertical edge and the wing’s leading edge in the post position. All you have to do then is just set the model back from the posts with a gap matching that on both sides.

For a wing with a large taper, I just use bits of balsa as shims made to suit by sanding to the right thickness.

FYI: For the Forza on my rig, with the posts 96mm apart, the gap is .55mm both sides. Just measured for the first time, as it was previously just eyed up.

Please don’t overthink this, you want to start around 99, then move it back bit by bit. CG rigs are great for setting a start point, but are then unused until you’ve hit the spot you’re comfortable with, and want to know where it actually is…

Cheers
Jonty

 

[MartinH]

This is already looking super quick….

 

[Outlander51]

Thanks Hill Hobbit - great advice there. I’ve been using a rocker arm cg for forever…. We deserve this new era digital cg machine I think after so many years of fighting with the rockers. It’s fantastic as it allows changes on the fly while the glider sits in the cradle…. And yes, I have the super wide version of the machine which translates into a 2.5mm setback from the front pegs for the Forza…

 

[MartinH]

Ha ha I’ve got my e-Forza on my old fashioned poverty-grade balance stand and I’ve learned some things about my power options:

- if your motor weighs more than about 200g, you’ll probably need to add tail weight to get it to the 99mm cg.

This kind of rules out high power setups unless you start making up custom LIPO packs that can slide way back under the wing joiner.

Martin

 

[MartinH]

With my proposed 1kw setup, weight will be about 2300g ready to fly, so about 150g heavier than the glider setup

Any thoughts?

Motor, ESC and lipo:

 

[Yotaman1985]

Ill be very interested in your results Martin. I am hoping to get my E-Fuse this month and will need to start acquiring a power train for it.

 

[MartinH]

Thx Yotaman, I’ll post any developments.

I already own the above components and i know that they will give spectacular results, however the all up weight does bother me a bit.

So I’m also investigating another new motor option from a mfr called Tenshock which offers a geared motor with 1kw rating, 120g and only about $140. On paper, this looks ideal, but they’ve not published much data yet.

Cheers,

Martin

 

[Doc James Hammond]

Thx Yotaman, I’ll post any developments.

I already own the above components and i know that they will give spectacular results, however the all up weight does bother me a bit.

So I’m also investigating another new motor option from a mfr called Tenshock which offers a geared motor with 1kw rating, 120g and only about $140. On paper, this looks ideal, but they’ve not published much data yet.

Cheers,

Martin

View attachment 23930View attachment 23931

Guys, remember you can always cut the front of the fuse back a little to accommodate larger bits.

Doc.

 

[Hill Hobbit]

Hi Myles, haven’t heard anything from you for a while. How are things with your Forza?

 

[Outlander51]

Hi Guys,

Yes my apologies for falling off the face of the cliff there for a while… The short story for now is that I have maidened and survived and it was just an incredible flight. Straight out of my hand the Forza was stable and seemed correctly balanced at 99mm. The wind was about 18 knots! I will admit I did fly all my other planes before the Forza because i was s$&t”ng myself about maidening but I had my Son with me and decided it would be bad form to cowardly walk away without flying her. I was hoping to have some better video and this media i will gather as the summer draws on and I’ll upload a much better video…. But just as I had read in all the write-ups this Forza by Aeroic is beyond incredible and should be a part of everyone’s hanger.

 

[Red]

Hi Guys,

Yes my apologies for falling off the face of the cliff there for a while… The short story for now is that I have maidened and survived and it was just an incredible flight. Straight out of my hand the Forza was stable and seemed correctly balanced at 99mm. The wind was about 18 knots! I will admit I did fly all my other planes before the Forza because i was s$&t”ng myself about maidening but I had my Son with me and decided it would be bad form to cowardly walk away without flying her. I was hoping to have some better video and this media i will gather as the summer draws on and I’ll upload a much better video…. But just as I had read in all the write-ups this Forza by Aeroic is beyond incredible and should be a part of everyone’s hanger.

Congrats!

 

[Doc James Hammond]

Hi Guys,

Yes my apologies for falling off the face of the cliff there for a while… The short story for now is that I have maidened and survived and it was just an incredible flight. Straight out of my hand the Forza was stable and seemed correctly balanced at 99mm. The wind was about 18 knots! I will admit I did fly all my other planes before the Forza because i was s$&t”ng myself about maidening but I had my Son with me and decided it would be bad form to cowardly walk away without flying her. I was hoping to have some better video and this media i will gather as the summer draws on and I’ll upload a much better video…. But just as I had read in all the write-ups this Forza by Aeroic is beyond incredible and should be a part of everyone’s hanger.

I'm happy you are enjoying it.

The Europeans love it too. Nice review in Aufwind magazine.

Doc.