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La-5 Resin Parts from Quickboost
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May 11, 2021, 10:41:45 PM *
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Author Topic: La-5 Resin Parts from Quickboost  (Read 189 times)
John Thompson
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« on: April 27, 2021, 10:05:49 PM »

Quickboost just released three resin upgrades which (according to Modelimex) are intended for the Clear Prop La-5 kits. The three items are exhausts, exhaust covers, and cowling face. I'm puzzled by the cowling face; here's an image:


To me, it looks identical to the kit part, although I can't be certain until I actually have it in my hands (on order). On the other hand, the KP cowling face is substantially different from the CP part, as well as from the real thing:

 
Unfortunately I can't post an image of the KP face (camera not working), but the air intake at the top of the part, instead of being straight-sided like both the CP kit part and the real La-5 photo, tapers out at the sides from front to back. So apparently it's the KP cowling face that's wrong, not the Clear Prop one. A bit of careful work with a file should be enough to deal with it, but maybe I'll think differently when I receive the Quickboost part for comparison.

John
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Massimo Tessitori
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« Reply #1 on: April 28, 2021, 10:28:35 AM »

Hi John,
could you give the link to the item, please? I would try to understand the reason of this.
Regards
Massimo
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John Thompson
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« Reply #2 on: April 28, 2021, 02:38:32 PM »

Here it is:
https://www.modelimex.com/172-la-5-correct-cowling-clprop-qbt-72656

That's all I've got - the item still has not appeared on Quickboost's site, as of today (28 April); their descriptions are usually not very detailed either.

http://www.quickboost.net/172.htm

Scroll right to the bottom - item numbers only go as high as 72652; the cowling face is 72656. As you can see from the Modelimex page, it's still not actually released, so maybe when it is, then Quickboost will add it to their site.

John
« Last Edit: April 28, 2021, 02:46:07 PM by John Thompson » Logged
John Thompson
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« Reply #3 on: April 29, 2021, 08:14:11 PM »

The question of whether the Quickboost cowling face will fit the KP La-5 was asked on another forum. I compared the two kit parts; the CP one is longer front to back than the KP by about 1mm. This is because the CP cowling face includes the cowling clamping band, whereas this band is part of the fuselage on the KP kit. The band is slightly raised, but otherwise the diameters seem to match. So, once you carefully sand away 1mm from the Quickboost replacement to make it match the length of the KP part, coincidentally eliminating the clamping band, the QB face should fit just fine on the KP fuselage. (Or I suppose you could shorten the KP fuselage by 1mm!) I just received the PayPal payment request for my Modelimex order this morning, so I'm hopeful that means it's ready to ship. Once I receive it, I'll be able to judge more accurately.

(But unless I see other reasons to buy the resin replacement, I think my preferred solution would just be to reshape the intake on the KP kit part!)

John
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John Thompson
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« Reply #4 on: May 04, 2021, 03:34:53 PM »

Here is one more La-5 cowling image, harvested from a trawl through all 78 pages of the scalemodels.ru pinned La-5 thread:




This appears to be a La-5F, judging from what little is visible of the aft part of the canopy. The photo shows quite well the shape of the intake and cowling bulge. It was posted as part of a discussion regarding the shape of the aft part of the bulge in plan view (square or rounded; the consensus is that it's rounded), but with no mention of the source of the photo. I suspect, though I'm not sure, that it's not a La-5F "in the wild", but possibly one set up at TsAGI for testing purposes - I don't see any camouflage or markings, and I think the cowling face is blanked off with something other than the aircraft's own temperature control shutter.

John
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Massimo Tessitori
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« Reply #5 on: May 04, 2021, 04:42:29 PM »

Hi John,
the photo is from the production line in Gorky. The plane is not yet marked or camouflaged, as you have rightly written.
The thing closing the intake is the standard shutter, but perhaps it is more visible than usual because it is not painted.
Regards
Massimo
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John Thompson
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« Reply #6 on: May 04, 2021, 05:15:17 PM »

Thank you, Massimo! That makes me confident that it's not some kind of test prototype which could have modified cowling parts.

John
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