LA-7 Lavochkin CY Model + Moki 180 with Ramoser VarioPROP 25,9" SG - MSG Stiftland - Markus
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- Опубліковано 5 жов 2024
- Flight of my LA-7 with a new Prop from Ramoser on Moki 180.
Flug meiner LA7 mit neuem Propeller von Ramoser auf Moki 180.
Technische Daten:
Hersteller: CY Model
Spannweite: 2450 mm
Gesamtlänge: 2150 mm
Gewicht: 18,5 kg
Motor: Moki S 180
Sprit: Aspen 2T
Propeller: 25,9"x16 3-Blatt SG, Ramoser VarioPROP (4720U/min.)
Nabe / Hub: 3-Blade 32i Light
Spinner: 127mm CFK
Fahrwerk: Electron V40
Heckfahrwerk: Robart elek.
Empfänger: Powerbox Competition SRS
CG (Schwerpunkt): 195mm vorderkante Fläche
EWD: 0,5° - Спорт
Wow. Very nice flying.
thank you
That has to be one of my favourite planes amazing sound thanks for a great video.
many many thanks ;-)
Looks good, sounds great and well flown!
many thanks ;-)
this is the best angle camera..great video sir...
thank you ;-)
Geiles Teil!
Vielen Dank ;-)
Super! Geiler Klang und tolle Leistung!
vielen Dank und ja, das finde ich auch - hat sich gelohnt ;-)
Cooles Flugzeug und Mega Sound. Der Link zum Warbirdforum funktioniert leider nicht mehr. Habt ihr den Baubericht vielleicht noch? I will die LA-7 mit einem UMS 180er bauen und würde gerne von eurer Erfahrung profitieren.
Hallo, ich hätte zumindest Bilder und ein paar Notizen was an meiner damals geändert wurde. Schreib mir doch mal deine Email Adresse, dann schick ich dir gerne was zu. Viele Grüße Markus
@@RCPLANEVIDEOS vielen Dank für das Angebot. BIst du noch im warbirdforum aktiv? Dann könnte ich dich dort kontaktieren
Super gemacht - wie oft hast Du die Lande-Einteilung geübt ? - echt Klasse, Hut ab !
Hallo und Vielen Dank, ehrlich gesagt flog und landete die sich kinderleicht, und ich fliege fast nur Warbirds, von dem her bin ich hier etwas in Übung 😊😉
Glückwünsche für diesen Flug, toler flieger...Ich montiere auch eine La 7 cy model, können sie mir sagen wo der Schwerpunkt an der Wurzelripe am Rumpf liegt?Herzlichen dank, alles besten für weitere Flüege.
Hallo, der SP ist bei 19,5cm, gemessen ab vorderkante Flügel.
als Tipp: in dem Thread im WBF auf Seite 2 eine kleine Auflistung mit Links/Bildern vorauf Du beim bau achten solltest bzw. verbessern musst an dieser LA-7 (z.B. Winkel Fahrwerk!), dann wirst wie ich bestimmt lange Freude an dem Modell haben ;-)
www.warbirdforum.de/forum/thread.php?threadid=39021&sid=6acbddd2f257a5e99debc56388b727ce&threadview=0&hilight=wild+technik&hilightuser=0&page=2
Hello Markus. I saw you have used both the SEP 25x26 and the Ramoser 25,9SG on this plane/Moki. Which prop do prefer in terms of performance and sound? Which prop is makes the less noise? Many thanks Didier
hello, the ramoser is the best propeller because you can adjust the pitch so until it fits perfectly. Then no propeller screams either 😉
@@RCPLANEVIDEOS Thanks! We have some noise restrictions on our field so that was important to know. I am gonna buy the Ramoser 25,9SG and run in my Moki!
@@RCPLANEVIDEOS So with 16” pitch you have around 4700 RPM. That is a good reference point for me. Do you know from the top of your head your needle settings? Thanks
@@DidierO i think with the Ramoser on 25m was 73dB 🤷🤔🤔
@@DidierO no, you have to adjust the propeller according to the RPM. it can take a while to get it right, every engine is different 😉
With moki s180 installed ,this plane nose heavy or tail heavy? Im thinking of installing kolm il150 3cylinder inoine with little modification of firewall but the kolm il150 is 7kg. Mokis180 is only 4.6kg
I do not have the model anymore, but I think the kolm is too much. The engine is too long, too heavy ... you need a CARF Spitfire or P-51 for this Kolm engine
Moin !..............Was haste denn für ein Spornfahrwerk eingebaut?
Alles Klar ! habs gefunden
@@haraldullrich6263 😊😊👍
Are you happy with ramoser vario prop? Do you recommend
Yes, the Moki runs really great with it. You just have to buy one propeller and not 2-3 until you have the right pitch ;-)
@@RCPLANEVIDEOS I bought the UMS 7-160cc
The 3 blade recommended is 27x12. Will try ask ramoser if they have the size for this
you buy the 25.9" 3-blade SG vario-propeller and turn the pitch to 16-18" ;-) that fits perfectly with the engine.You change the pitch from the propeller until the engine speed matches
@@RCPLANEVIDEOS ok noted. I'm confuse on the homepage. I don't know how to choose the size 25.9 sg vario prop and the hub. I will email them. Did you buy the spinner with them or normal spinner can be use?
you need:
- Motor flange 32i for UMS
- 3-blade Hub 32i Light
- 3x 3-blade SG 25.9 "
You have to email Christian Ramoser or your retailer if he has a motor flange for the UMS. If he does not need the dimensions of the hole from the engine, he'll make you one. Spinner you buy a normal where the LA-7 fits ;-)
Your cowling got space for moki s215?
i think no ...
Just bought moki s215 for my cy model la7. Any idea what 3blade prop size and pitch should I go buy from ramoser. Last time I was to buy the blade that you are using for s180 but I got offer to buy s215
I would take and set the 27.9" SG blade, think the 29.9" is too big for the 215Moki ...
27.9" with 4.400U/min., think pitch is now 16-17
@@RCPLANEVIDEOS Thanks Marcus. You are very helpful 😃
@@RCPLANEVIDEOS markus, i didnr managed to get the moki 215. I bought a new moki250 for the cy model la7. I have few questions.im sorry i need to ask many times.
1) what 3 blade size should i use from ramoser for moki250?
2) i have sullivan smoke pump, Aps fuel pump. How many ignition kill switch and battery should i use? And i also bought the smoothflite from booma rc. How is your setup with the smoke pump?
the 250 will not go, the propeller (29,9"x18 SG) will hit the ground because the gear is too short in this LA7 ...
@@RCPLANEVIDEOS so what prop is suitable
Do you recommend the electron retract?
yes, I had 3 pieces so far and no problems
You install it on the original gear mounting location by cy model or any modification? One of my friend in usa told me that installing on the original location making the plane nose over so they use the sierra Anderson retract and relocate the mounting near to the fuselage. I'm getting this kit but need to confirm which retract to buy. Thats why I'm surveying
no, you have to change a lot on the model for a 180Moki. The gear chassis must be inclined forward, otherwise the model tilts on the nose. The tube could be too short of the wings, you have to measure.
@@RCPLANEVIDEOS okay thanks. I will buy the electron er40 and make it inclined forward. You have the build forum?
- check all ribs (hull), glue back or glue in again
- Check engine frame, if necessary, rebuild
- Modify the landing gear shaft or rebuild it and put it diagonally forward, otherwise the headstand is announced otherwise
- wing tube could be too short (4-5cm), necessarily measure and if so buy new
- Definitely remove these wing threaded bolts and replace them with bolts from the back. In addition, maybe two pins in the area.
- Reinforce fuselage with 2-3 GFK mats, more because of transport, I would say that is quite thin, otherwise cracks can occur which would be annoying
- SP on 195mm
- Air outlet note that there is enough available
Interesting, especially see chassis (gear) pictures:
www.warbirdforum.de/forum/thread.php?threadid=33133&sid=7955b8d3f378f7c0df0118328f6fa144&hilightuser=4275
because of the threaded bolts, see here, different model, same principle (below page 1 & 3):
www.warbirdforum.de/forum/thread.php?threadid=38592&sid=7955b8d3f378f7c0df0118328f6fa144&hilightuser=9385
maybe some info to find, cockpit, pilot, antenna other (page 10):
www.warbirdforum.de/forum/thread.php?threadid=32108&sid=7955b8d3f378f7c0df0118328f6fa144&threadview=0&hilight=bao+la7&hilightuser=0&page=7
Is this model tail heavy?
No, CG is by 195mm
@@RCPLANEVIDEOS i follow 195 but with the engine weight of 4.5kg i need extra 4kg of weight in the nose to get the cg. Making it total of 9.5kg in the nose
@@vicyboy12 do you have a lot of weight in the rear or something built into the rear? Behind the CG?
@@RCPLANEVIDEOS nothing at the back. Just 2 servos on the elevator ,1 servo for rudder and robart tail retract.
@@vicyboy12 That's weird, I built that too. Maybe my engine was further ahead ?! My CG was good