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Old 09-06-2009, 03:16 PM   #1
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Default Guillows Conversion Compionent Ideas

Hey all.

I was just wondering if these components would be good for a typical Guillows conversion.

These are the components recomended for the Lil' SQuiRT, and the Lil' SQuiRT is a similar size.

http://www.stevensaero.com/GWS-Micro...S-p-16428.html

http://www.stevensaero.com/GWS-Li-po...A-p-16938.html

http://www.stevensaero.com/Blue-Bird...3-p-17106.html

http://www.stevensaero.com/ThunderPo...2-p-19915.html

thanks,
Paper
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Old 09-06-2009, 04:16 PM   #2
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Guillows make a lot of different series of models from about 16" WS to about 36". Those components would work better for some of them than for others. But brushless motors would usually work even better.

BTW there are loads of detailed threads about specific Guillow's conversion both here and on RCGroups. Specific examples are usually most helpful.

Steve
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Old 09-06-2009, 08:07 PM   #3
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Thanks.

Does anyone else have an opinion?
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Old 09-07-2009, 03:11 AM   #4
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.
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Old 09-07-2009, 10:30 AM   #5
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As I said, pick a specific model or two and you'll do better. The equipment you list might be o.k. for a 24" Cub. It probably wouldn't be much good for a 16" span P40 or a 40" span P38. All Guillows .

Steve
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Old 09-07-2009, 01:55 PM   #6
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I was going for the Cessna 150
http://www.guillow.com/GuillowDetail...=19&FamilyId=1

24" wingspan
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Old 09-07-2009, 02:55 PM   #7
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Default More Suggestions

Hello Paper,
Here's a build thread I did on a 23" Corben Super Ace, converted to E-R/C;
http://www.wattflyer.com/forums/showthread.php?t=33844
The components are an ELE C10 2900 Kv brushless outrunner, Feigo 6A ESC, Berg Microstamp Rx + 2 Blue Arrow 3.6g servos. All-up weight about 3.2 ounces.
It took a while to get the model trimmed and it's still hard to fly except indoors or in the calmest weather. But it's fun and looks great in the air. The motor is really too much power, I fly at 1/3 throttle or less.
Here's some photos;
Good Luck!
Ron


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Old 09-07-2009, 03:32 PM   #8
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SS,

So, do you think that the components I listed at the beginning of the tread would work for the 150?
By the way, the super ace looks great.:-)

Paper
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Old 09-07-2009, 07:26 PM   #9
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Default Will It Work?

Hello Paper,
If these are the components Stevens recommends for this size/weight model, I'd have to say "Yes".
But you're going to have to watch your weights carefully. The entire model (without any components, but otherwise complete) should weigh about one ounce, possibly 1-1/4 ounce tops. You're looking for about 3 ounces, ready-to-fly. Much more than this and the wing loading will make it difficult, if not impossible to fly sucessfully.
So far you have a .56 oz (about 15 grams) motor, .64 oz (about 17 grams) battery and a total weight of 7 grams for the two servos;
15
17
07
---
39 grams, nearly 1-1/2 ounces without the receiver and speed control (no weight listed). So, you could easily exceed 2 ounces for the components (this also doesn't include wires, prop adapter and prop). Anywhere you can save weight, try to do so!
Good Luck,
Ron
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Old 09-07-2009, 10:30 PM   #10
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Thanks Ron.

I will consider lightening up the frame, getting a light reciever, etc.

Paper
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Old 09-08-2009, 12:50 AM   #11
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My reciever weighs 8.6 grams.
Would that work?
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Old 09-08-2009, 01:40 AM   #12
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Default Could Be?

Hello Paper,
Yes, it will work, but you would be better off with a "Micro" Rx, about 4-5 grams.
Ron
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Old 09-08-2009, 02:01 AM   #13
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okidokey
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Old 09-18-2009, 02:54 AM   #14
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I have converted some Guillows kits for .009 glow. RC...it is possible, so long as you are very careful to strengthen the main spar and places for the servos...don't forget to beef up the area for the motor mounts and the LG. I used very light weight FG and CA to greatly increase strength where needs...also substituting some harder balsa for the very soft balsa Guillows includes in their kits. I covered my kits wings and some critical areas of fuse with mica-film. Very light and very strong but you have to be very careful applying it...it does not shrink easily...and when it does, it's like shrunken steel cables...can really get warpy if you are not patient.

I had great light weight flyers, and all were hits a the flying field.

With the lighter weight Lipo batts, and careful flying, no doubt they would make great electrics.
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Old 09-18-2009, 03:04 AM   #15
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Originally Posted by Mr Wizard View Post
I have converted some Guillows kits for .009 glow. RC...it is possible, so long as you are very careful to strengthen the main spar and places for the servos...don't forget to beef up the area for the motor mounts and the LG. I used very light weight FG and CA to greatly increase strength where needs...also substituting some harder balsa for the very soft balsa Guillows includes in their kits. I covered my kits wings and some critical areas of fuse with mica-film. Very light and very strong but you have to be very careful applying it...it does not shrink easily...and when it does, it's like shrunken steel cables...can really get warpy if you are not patient.

I had great light weight flyers, and all were hits a the flying field.

With the lighter weight Lipo batts, and careful flying, no doubt they would make great electrics.
What do you think about the components I listen in post # 1?

Thanks
PA
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Old 09-18-2009, 03:16 AM   #16
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Originally Posted by PaperAirplane View Post
What do you think about the components I listen in post # 1?

Thanks
PA
I would stay with the brushless lighter weight motors than the gear reduction set. Match the prop and batt ro take care of the speed you want...remember that a light weight AC will not need as much airspeed and the rpm and torque you get from the brushless motors is "gobbs"...so use a very fine pitch prop for all the "push" and acceleration, but keeping the speed more to scale will keep you from ripping the wings off.

You have got to remember to do all you can to keep the weight off. Every gram of weight will force you to add more weight in strength. Otherwise, all the other components look like they will work very well, space allowing, of course.
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Old 09-19-2009, 12:36 AM   #17
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Any motor recommendations?

I don't have much experience and need all the help i can get.

Thanks
PA
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Old 09-19-2009, 02:57 AM   #18
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http://www.lazertoyz.com/

I suggest you go here...this guy has an excellent motor/prop/battery balance page that will guide you onto the best possible combination's for the model you are building.

I generally go by wing span and expected performance. if I am wanting a 24" wing span, and a gentle flyer, like something I can fly in the street in front of my house, I will gauge the power to weight to wing area to the total thrust I want...this page will let you do that. Total thrust is what you want to think about. for example, if your aircraft is rather fragile, that is, will not take a lot of G force in climbs and maneuvers, then go with a smaller thrust. If it is very light weight and does not need much total air speed to keep in the flight envelope, then smaller is better. I find that I can keep an extra battery in the charger at the flying field, so, a smaller battery, giving me about three minutes of flight time, works great for me. I can tell when the battery is running out, mainly due to the plane-saver feature of the reciver, it cuts the battery down, and I can revive it by pulling off throttle and then back in and get ten seconds of power. When that starts happening, I go for landing. I land, change the batteries, one into the charger, one into the plane...and keep on flying. I can do that all day. But, using a smaller battery, saves weight, so I get better performance, longer glide, more flight at half throttle, etc.

But, if I have a hot ship, one I really want to shove around the sky, vertical climbs, lots of fast rolls, loops and such, then I go for a stronger airframe, more powerful motor, bigger battery (which, of course, means more weight, so stronger airframe, which means more weight, which means more power, which means more weight...you get the picture). I go to the park, tear up the sky for about two minutes, then I am ready to come down...take a sip of water, let the adrenaline settle and then go up again...loads of fun.

Sometimes, though, I want a ship that will do just slow luffing...I do a few luffberries, and then test myself on precision landings, like landing on an aircraft carrier...imaginary spots on the ground that I tell myself, do not land short of point "A", do not roll past point "B"...a real challenge. Then I want less power, but more battery and finer prop, slower flight.

If I am building a scale ship that takes load of time and care to build, I don't want to crack it up...so, I go for short flights, and very genteel landings...that means, very small battery, and small motor, keeping the ship as light as possible....and absolutely NO crashes or hard landings...too much invested. I just want to show her off and prove she can fly...take a few photos while she is in the air...and then hang her up from the ceiling to remember....maybe take her out when my friends are out, to show her off and let them know...I can build something better than these hot-rods I usually fly.

Go to that web site...the guy sells great stuff (I buy there exclusively) and he has excellent match up pages for the things you will need.
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Old 11-19-2014, 09:44 AM   #19
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has anybody tried to do a p-40 kit 401??
i would like to see the build thread on that.. thinking maybe xmas present
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Old 01-13-2015, 04:00 PM   #20
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Here is one:
http://www.rcgroups.com/forums/showthread.php?t=1028262
among many others:
http://www.rcgroups.com/forums/showthread.php?t=827861
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